push addional code

Change-Id: Ia427bb3460cda3a896f8faced2de69eaf3807b74
Signed-off-by: Michael Lando <ml636r@att.com>

93 files changed, 9503 insertions, 0 deletions

diff --git a/openecomp-be/lib/openecomp-tosca-lib/pom.xml b/openecomp-be/lib/openecomp-tosca-lib/pom.xml
new file mode 100644
index 0000000000..eb67349896
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/pom.xml
@@ -0,0 +1,66 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+
+
+    <parent>
+        <artifactId>openecomp-sdc-lib</artifactId>
+        <groupId>org.openecomp.sdc</groupId>
+        <version>1.0.0-SNAPSHOT</version>
+    </parent>
+
+    <groupId>org.openecomp.core</groupId>
+    <artifactId>openecomp-tosca-lib</artifactId>
+    <name>openecomp-tosca-lib</name>
+
+
+    <dependencies>
+        <dependency>
+            <groupId>org.openecomp.core</groupId>
+            <artifactId>openecomp-utilities-lib</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.openecomp.sdc</groupId>
+            <artifactId>openecomp-sdc-datatypes-lib</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.openecomp.core</groupId>
+            <artifactId>openecomp-common-lib</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-classic</artifactId>
+            <version>1.1.2</version>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>RELEASE</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-all</artifactId>
+            <version>1.10.19</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+            <version>19.0</version>
+        </dependency>
+        <dependency>
+            <groupId>org.yaml</groupId>
+            <artifactId>snakeyaml</artifactId>
+        </dependency>
+    </dependencies>
+
+
+
+
+
+</project>
\ No newline at end of file
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/ToscaArtifactType.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/ToscaArtifactType.java
new file mode 100644
index 0000000000..2da60c0b79
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/ToscaArtifactType.java
@@ -0,0 +1,39 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes;
+
+
+public enum ToscaArtifactType {
+
+  DEPLOYMENT("tosca.artifacts.Deployment"),;
+
+  private String displayName;
+
+  ToscaArtifactType(String displayName) {
+    this.displayName = displayName;
+  }
+
+  public String getDisplayName() {
+    return displayName;
+  }
+
+
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/ToscaCapabilityType.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/ToscaCapabilityType.java
new file mode 100644
index 0000000000..d26eb3a83a
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/ToscaCapabilityType.java
@@ -0,0 +1,52 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes;
+
+
+public enum ToscaCapabilityType {
+
+  ROOT("tosca.capabilities.Root"),
+  NODE("tosca.capabilities.Node"),
+  CONTAINER("tosca.capabilities.Container"),
+  NETWORK_BINDABLE("tosca.capabilities.network.Bindable"),
+  SCALABLE("tosca.capabilities.Scalable"),
+  OPERATING_SYSTEM("tosca.capabilities.OperatingSystem"),
+  ENDPOINT_ADMIN("tosca.capabilities.Endpoint.Admin"),
+  ATTACHMENT("tosca.capabilities.Attachment"),
+  NETWORK_LINKABLE("tosca.capabilities.network.Linkable"),
+  METRIC("org.openecomp.capabilities.Metric"),
+  NFV_METRIC("tosca.capabilities.nfv.Metric"),
+  METRIC_CEILOMETER("org.openecomp.capabilities.metric.Ceilometer"),
+  METRIC_SNMP_TRAP("org.openecomp.capabilities.metric.SnmpTrap"),
+  METRIC_SNMP_POLLING("org.openecomp.capabilities.metric.SnmpPolling"),;
+
+  private String displayName;
+
+  ToscaCapabilityType(String displayName) {
+    this.displayName = displayName;
+  }
+
+  public String getDisplayName() {
+    return displayName;
+  }
+
+
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/ToscaDataType.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/ToscaDataType.java
new file mode 100644
index 0000000000..2a9df65b17
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/ToscaDataType.java
@@ -0,0 +1,84 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes;
+
+
+public enum ToscaDataType {
+
+  ROOT("tosca.datatypes.Root"),
+  NETWORK_NETWORK_INFO("tosca.datatypes.network.NetworkInfo"),
+  NETWORK_PORT_INFO("tosca.datatypes.network.PortInfo"),
+  NOVA_SERVER_PORT_EXTRA_PROPERTIES(
+      "org.openecomp.datatypes.heat.novaServer.network.PortExtraProperties"),
+  NETWORK_ADDRESS_PAIR("org.openecomp.datatypes.heat.network.AddressPair"),
+  NEUTRON_PORT_FIXED_IPS("org.openecomp.datatypes.heat.neutron.port.FixedIps"),
+  CONTRAIL_NETWORK_RULE("org.openecomp.datatypes.heat.contrail.network.rule.Rule"),
+  CONTRAIL_NETWORK_RULE_LIST("org.openecomp.datatypes.heat.contrail.network.rule.RuleList"),
+  CONTRAIL_NETWORK_RULE_PORT_PAIRS("org.openecomp.datatypes.heat.contrail.network.rule.PortPairs"),
+  CONTRAIL_NETWORK_RULE_VIRTUAL_NETWORK(
+      "org.openecomp.datatypes.heat.contrail.network.rule.VirtualNetwork"),
+  CONTRAILV2_NETWORK_RULE("org.openecomp.datatypes.heat.contrailV2.network.rule.Rule"),
+  CONTRAILV2_NETWORK_RULE_LIST("org.openecomp.datatypes.heat.contrailV2.network.rule.RuleList"),
+  CONTRAILV2_NETWORK_RULE_SRC_PORT_PAIRS(
+      "org.openecomp.datatypes.heat.contrailV2.network.rule.SrcPortPairs"),
+  CONTRAILV2_NETWORK_RULE_DST_PORT_PAIRS(
+      "org.openecomp.datatypes.heat.contrailV2.network.rule.DstPortPairs"),
+  CONTRAILV2_NETWORK_RULE_DST_VIRTUAL_NETWORK(
+      "org.openecomp.datatypes.heat.contrailV2.network.rule.DstVirtualNetwork"),
+  CONTRAILV2_NETWORK_RULE_SRC_VIRTUAL_NETWORK(
+      "org.openecomp.datatypes.heat.contrailV2.network.rule.SrcVirtualNetwork"),
+  CONTRAILV2_VIRTUAL_MACHINE_INTERFACE_PROPERTIES(
+      "org.openecomp.datatypes.heat.contrailV2.virtual.machine.interface.Properties"),
+  CONTRAILV2_NETWORK_RULE_ACTION_LIST(
+      "org.openecomp.datatypes.heat.contrailV2.network.rule.ActionList"),
+  CONTRAILV2_VIRTUAL_NETWORK_IPAM_REF_DATA(
+      "org.openecomp.datatypes.heat.contrailV2.virtual.network.rule.IpamRefData"),
+  CONTRAILV2_VIRTUAL_NETWORK_IPAM_REF_DATA_IPAM_SUBNET_LIST(
+      "org.openecomp.datatypes.heat.contrailV2.virtual.network.rule.ref.data.IpamSubnetList"),
+  CONTRAILV2_VIRTUAL_NETWORK_IPAM_REF_DATA_IPAM_SUBNET(
+      "org.openecomp.datatypes.heat.contrailV2.virtual.network.rule.ref.data.IpamSubnet"),
+  CONTRAILV2_VIRTUAL_NETWORK_POLICY_REF_DATA(
+      "org.openecomp.datatypes.heat.contrailV2.virtual.network.rule.RefData"),
+  CONTRAILV2_VIRTUAL_NETWORK_POLICY_REF_DATA_SEQUENCE(
+      "org.openecomp.datatypes.heat.contrailV2.virtual.network.rule.RefDataSequence"),
+  NOVA_SERVER_NETWORK_ADDRESS_INFO("org.openecomp.datatypes.heat.novaServer.network.AddressInfo"),
+  NEUTRON_SUBNET("org.openecomp.datatypes.heat.network.neutron.Subnet"),
+  NETWORK_ALLOCATION_POOL("org.openecomp.datatypes.heat.network.AllocationPool"),
+  NETWORK_HOST_ROUTE("org.openecomp.datatypes.heat.network.subnet.HostRoute"),
+  SUBSTITUTION_FILTER("org.openecomp.datatypes.heat.substitution.SubstitutionFilter"),
+  SUBSTITUTION_FILTERING("org.openecomp.datatypes.heat.substitution.SubstitutionFiltering"),
+  NEUTRON_SECURITY_RULES_RULE("org.openecomp.datatypes.heat.network.neutron.SecurityRules.Rule"),
+  CONTRAIL_STATIC_ROUTE("org.openecomp.datatypes.heat.network.contrail.port.StaticRoute"),
+  CONTRAIL_ADDRESS_PAIR("org.openecomp.datatypes.heat.network.contrail.AddressPair"),
+  CONTRAIL_INTERFACE_DATA("org.openecomp.datatypes.heat.network.contrail.InterfaceData");
+
+  private String displayName;
+
+  ToscaDataType(String displayName) {
+    this.displayName = displayName;
+  }
+
+  public String getDisplayName() {
+    return displayName;
+  }
+
+
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/ToscaElementTypes.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/ToscaElementTypes.java
new file mode 100644
index 0000000000..97fec7ae7d
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/ToscaElementTypes.java
@@ -0,0 +1,25 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes;
+
+public enum ToscaElementTypes {
+  CAPABILITY_TYPE
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/ToscaFunctions.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/ToscaFunctions.java
new file mode 100644
index 0000000000..989a1c6178
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/ToscaFunctions.java
@@ -0,0 +1,43 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes;
+
+public enum ToscaFunctions {
+
+  TOKEN("token"),
+  GET_PROPERTY("get_property"),
+  GET_ATTRIBUTE("get_attribute"),
+  GET_ARTIFACT("get_artifact"),
+  GET_INPUT("get_input"),
+  CONCAT("concat");
+
+  private String displayName;
+
+  ToscaFunctions(String displayName) {
+    this.displayName = displayName;
+  }
+
+  public String getDisplayName() {
+    return displayName;
+  }
+
+
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/ToscaGroupType.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/ToscaGroupType.java
new file mode 100644
index 0000000000..5422fa6dc9
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/ToscaGroupType.java
@@ -0,0 +1,40 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes;
+
+
+public enum ToscaGroupType {
+
+  ROOT("tosca.groups.Root"),
+  HEAT_STACK("org.openecomp.groups.heat.HeatStack"),;
+
+  private String displayName;
+
+  ToscaGroupType(String displayName) {
+    this.displayName = displayName;
+  }
+
+  public String getDisplayName() {
+    return displayName;
+  }
+
+
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/ToscaNodeType.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/ToscaNodeType.java
new file mode 100644
index 0000000000..c7c5a6e64e
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/ToscaNodeType.java
@@ -0,0 +1,162 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes;
+
+import org.openecomp.sdc.tosca.services.ToscaConstants;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+
+
+/**
+ * The enum Tosca node type.
+ */
+public enum ToscaNodeType {
+
+  /**
+   * Compute tosca node type.
+   */
+  COMPUTE("tosca.nodes.Compute"),
+  /**
+   * Root tosca node type.
+   */
+  ROOT("tosca.nodes.Root"),
+  /**
+   * Block storage tosca node type.
+   */
+  BLOCK_STORAGE("tosca.nodes.BlockStorage"),
+  /**
+   * Network tosca node type.
+   */
+  NETWORK("tosca.nodes.network.Network"),
+  /**
+   * Network port tosca node type.
+   */
+  NETWORK_PORT("tosca.nodes.network.Port"),
+  /**
+   * Nova server tosca node type.
+   */
+  NOVA_SERVER(ToscaConstants.NODES_PREFIX + "nova.Server"),
+  /**
+   * Cinder volume tosca node type.
+   */
+  CINDER_VOLUME(ToscaConstants.NODES_PREFIX + "cinder.Volume"),
+  /**
+   * Neutron net tosca node type.
+   */
+  NEUTRON_NET("org.openecomp.resource.vl.nodes.heat.network.neutron.Net"),
+  /**
+   * Neutron port tosca node type.
+   */
+  NEUTRON_PORT("org.openecomp.resource.cp.nodes.heat.network.neutron.Port"),
+  /**
+   * Neutron security rules tosca node type.
+   */
+  NEUTRON_SECURITY_RULES("org.openecomp.resource.vfc.rules.nodes"
+      + ".heat.network.neutron.SecurityRules"),
+  /**
+   * Contrail virtual network tosca node type.
+   */
+  CONTRAIL_VIRTUAL_NETWORK("org.openecomp.resource.vl.nodes.heat.network.contrail.VirtualNetwork"),
+  /**
+   * Contrail network rule tosca node type.
+   */
+  CONTRAIL_NETWORK_RULE("org.openecomp.resource.vfc."
+      + "rules.nodes.heat.network.contrail.NetworkRules"),
+  /**
+   * Contrailv 2 virtual network tosca node type.
+   */
+  CONTRAILV2_VIRTUAL_NETWORK("org.openecomp.resource.vl.nodes."
+      + "heat.network.contrailV2.VirtualNetwork"),
+  /**
+   * Contrailv 2 network rule tosca node type.
+   */
+  CONTRAILV2_NETWORK_RULE(
+      "org.openecomp.resource.vfc.rules.nodes.heat.network.contrailV2.NetworkRules"),
+  /**
+   * Contrailv 2 virtual machine interface tosca node type.
+   */
+  CONTRAILV2_VIRTUAL_MACHINE_INTERFACE(
+      "org.openecomp.resource.cp.nodes.heat.contrailV2.VirtualMachineInterface"),
+  /**
+   * Abstract substitute tosca node type.
+   */
+  ABSTRACT_SUBSTITUTE("org.openecomp.resource.abstract.nodes.AbstractSubstitute"),
+  /**
+   * Contrail compute tosca node type.
+   */
+  CONTRAIL_COMPUTE(ToscaConstants.NODES_PREFIX + "contrail.Compute"),
+  /**
+   * Contrail port tosca node type.
+   */
+  CONTRAIL_PORT("org.openecomp.resource.cp.nodes.heat.network.contrail.Port"),
+  /**
+   * Contrail abstract substitute tosca node type.
+   */
+  CONTRAIL_ABSTRACT_SUBSTITUTE("org.openecomp.resource.abstract."
+      + "nodes.contrail.AbstractSubstitute"),;
+
+  private static final Map<String, ToscaNodeType> mMap =
+      Collections.unmodifiableMap(initializeMapping());
+  private String displayName;
+
+  ToscaNodeType(String displayName) {
+    this.displayName = displayName;
+  }
+
+  /**
+   * Initialize mapping map.
+   *
+   * @return the map
+   */
+  public static Map<String, ToscaNodeType> initializeMapping() {
+    Map<String, ToscaNodeType> toscaMap = new HashMap<>();
+    for (ToscaNodeType v : ToscaNodeType.values()) {
+      toscaMap.put(v.displayName, v);
+    }
+    return toscaMap;
+  }
+
+  /**
+   * Gets tosca node type by display name.
+   *
+   * @param displayName the display name
+   * @return the tosca node type by display name
+   */
+  public static ToscaNodeType getToscaNodeTypeByDisplayName(String displayName) {
+    if (mMap.containsKey(displayName)) {
+      return mMap.get(displayName);
+    }
+    return null;
+  }
+
+  /**
+   * Gets display name.
+   *
+   * @return the display name
+   */
+  public String getDisplayName() {
+    return displayName;
+  }
+
+
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/ToscaPolicyType.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/ToscaPolicyType.java
new file mode 100644
index 0000000000..38195782d2
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/ToscaPolicyType.java
@@ -0,0 +1,43 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes;
+
+public enum ToscaPolicyType {
+
+  PLACEMENT("tosca.policy.placement"),
+  PLACEMENT_ANTILOCATE("org.openecomp.policies.placement.Antilocate"),
+  PLACEMENT_COLOCATE("org.openecomp.policies.placement.Colocate"),
+  PLACEMENT_VALET_AFFINITY("org.openecomp.policies.placement.valet.Affinity"),
+  PLACEMENT_VALET_EXCLUSIVITY("org.openecomp.policies.placement.valet.Exclusivity"),
+  PLACEMENT_VALET_DIVERSITY("org.openecomp.policies.placement.valet.Diversity");
+
+  private String displayName;
+
+  ToscaPolicyType(String displayName) {
+    this.displayName = displayName;
+  }
+
+  public String getDisplayName() {
+    return displayName;
+  }
+
+
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/ToscaRelationshipType.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/ToscaRelationshipType.java
new file mode 100644
index 0000000000..03a35bd4d0
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/ToscaRelationshipType.java
@@ -0,0 +1,44 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes;
+
+public enum ToscaRelationshipType {
+
+  ROOT("tosca.relationships.Root"),
+  NATIVE_ATTACHES_TO("tosca.relationships.AttachesTo"),
+  DEPENDS_ON("tosca.relationships.DependsOn"),
+  NETWORK_LINK_TO("tosca.relationships.network.LinksTo"),
+  NETWORK_BINDS_TO("tosca.relationships.network.BindsTo"),
+  CINDER_VOLUME_ATTACHES_TO("org.openecomp.relationships.heat.cinder.VolumeAttachesTo"),
+  ATTACHES_TO("org.openecomp.relationships.AttachesTo"),;
+
+  private String displayName;
+
+  ToscaRelationshipType(String displayName) {
+    this.displayName = displayName;
+  }
+
+  public String getDisplayName() {
+    return displayName;
+  }
+
+
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/ToscaServiceModel.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/ToscaServiceModel.java
new file mode 100644
index 0000000000..70b23ae3f6
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/ToscaServiceModel.java
@@ -0,0 +1,72 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes;
+
+import org.openecomp.core.utilities.file.FileContentHandler;
+import org.openecomp.sdc.datatypes.model.AsdcModel;
+import org.openecomp.sdc.tosca.datatypes.model.ServiceTemplate;
+
+import java.util.Collections;
+import java.util.Map;
+
+public class ToscaServiceModel implements AsdcModel {
+  private FileContentHandler artifactFiles;
+  private Map<String, ServiceTemplate> serviceTemplates;
+  private String entryDefinitionServiceTemplate;
+
+  /**
+   * Instantiates a new Tosca service model.
+   *
+   * @param artifactFiles                  the artifact files
+   * @param serviceTemplates               the service templates
+   * @param entryDefinitionServiceTemplate the entry definition service template
+   */
+  public ToscaServiceModel(FileContentHandler artifactFiles,
+                           Map<String, ServiceTemplate> serviceTemplates,
+                           String entryDefinitionServiceTemplate) {
+    this.artifactFiles = artifactFiles;
+    this.serviceTemplates = serviceTemplates;
+    this.entryDefinitionServiceTemplate = entryDefinitionServiceTemplate;
+  }
+
+
+  public FileContentHandler getArtifactFiles() {
+    return artifactFiles;//MapUtils.isEmpty(artifactFiles) ? Collections.EMPTY_MAP
+    // : Collections.unmodifiableMap(artifactFiles);
+  }
+
+
+  public Map<String, ServiceTemplate> getServiceTemplates() {
+    return Collections.unmodifiableMap(serviceTemplates);
+  }
+
+  public void setServiceTemplates(Map<String, ServiceTemplate> serviceTemplates) {
+    this.serviceTemplates = serviceTemplates;
+  }
+
+  public String getEntryDefinitionServiceTemplate() {
+    return entryDefinitionServiceTemplate;
+  }
+
+  public void setEntryDefinitionServiceTemplate(String entryDefinitionServiceTemplate) {
+    this.entryDefinitionServiceTemplate = entryDefinitionServiceTemplate;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/ArtifactDefinition.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/ArtifactDefinition.java
new file mode 100644
index 0000000000..8461fef85f
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/ArtifactDefinition.java
@@ -0,0 +1,69 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model;
+
+public class ArtifactDefinition {
+  private String type;
+  private String file;
+  private String repository;
+  private String description;
+  private String deploy_path;
+
+  public String getType() {
+    return type;
+  }
+
+  public void setType(String type) {
+    this.type = type;
+  }
+
+  public String getFile() {
+    return file;
+  }
+
+  public void setFile(String file) {
+    this.file = file;
+  }
+
+  public String getRepository() {
+    return repository;
+  }
+
+  public void setRepository(String repository) {
+    this.repository = repository;
+  }
+
+  public String getDescription() {
+    return description;
+  }
+
+  public void setDescription(String description) {
+    this.description = description;
+  }
+
+  public String getDeploy_path() {
+    return deploy_path;
+  }
+
+  public void setDeploy_path(String deployPath) {
+    this.deploy_path = deployPath;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/ArtifactType.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/ArtifactType.java
new file mode 100644
index 0000000000..80580e97f3
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/ArtifactType.java
@@ -0,0 +1,83 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model;
+
+import java.util.List;
+import java.util.Map;
+
+public class ArtifactType {
+
+  private String derived_from;
+  private String version;
+  private String description;
+  private String mime_type;
+  private List<String> file_ext;
+  private Map<String, PropertyDefinition> properties;
+
+
+  public String getDerived_from() {
+    return derived_from;
+  }
+
+  public void setDerived_from(String derivedFrom) {
+    this.derived_from = derivedFrom;
+  }
+
+  public String getVersion() {
+    return version;
+  }
+
+  public void setVersion(String version) {
+    this.version = version;
+  }
+
+  public String getDescription() {
+    return description;
+  }
+
+  public void setDescription(String description) {
+    this.description = description;
+  }
+
+  public String getMime_type() {
+    return mime_type;
+  }
+
+  public void setMime_type(String mimeType) {
+    this.mime_type = mimeType;
+  }
+
+  public List<String> getFile_ext() {
+    return file_ext;
+  }
+
+  public void setFile_ext(List<String> fileExt) {
+    this.file_ext = fileExt;
+  }
+
+  public Map<String, PropertyDefinition> getProperties() {
+    return properties;
+  }
+
+  public void setProperties(Map<String, PropertyDefinition> properties) {
+    this.properties = properties;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/AttributeDefinition.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/AttributeDefinition.java
new file mode 100644
index 0000000000..13c93a283d
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/AttributeDefinition.java
@@ -0,0 +1,85 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model;
+
+public class AttributeDefinition {
+
+  private String type;
+  private String description;
+  private Object _default;
+  private Status status;
+  private EntrySchema entry_schema;
+
+  public AttributeDefinition() {
+    status = Status.SUPPORTED;
+  }
+
+  public EntrySchema getEntry_schema() {
+    return entry_schema;
+  }
+
+  public void setEntry_schema(EntrySchema entrySchema) {
+    this.entry_schema = entrySchema;
+  }
+
+  public Status getStatus() {
+    return status;
+  }
+
+  public void setStatus(Status status) {
+    this.status = status;
+  }
+
+  public Object get_default() {
+    return _default;
+  }
+
+  public void set_default(Object defaultValue) {
+    this._default = defaultValue;
+  }
+
+  public String getDescription() {
+    return description;
+  }
+
+  public void setDescription(String description) {
+    this.description = description;
+  }
+
+  public String getType() {
+    return type;
+  }
+
+  public void setType(String type) {
+    this.type = type;
+  }
+
+  @Override
+  public AttributeDefinition clone() {
+    AttributeDefinition attributeDefinition = new AttributeDefinition();
+    attributeDefinition.setType(this.getType());
+    attributeDefinition.setDescription(this.getDescription());
+    attributeDefinition.set_default(this.get_default());
+    attributeDefinition.setStatus(this.getStatus());
+    attributeDefinition.setEntry_schema(this.getEntry_schema().clone());
+    return attributeDefinition;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/CapabilityAssignment.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/CapabilityAssignment.java
new file mode 100644
index 0000000000..b548f7855c
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/CapabilityAssignment.java
@@ -0,0 +1,45 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model;
+
+import java.util.Map;
+
+public class CapabilityAssignment {
+
+  private Map<String, Object> properties;
+  private Map<String, Object> attributes;
+
+  public Map<String, Object> getProperties() {
+    return properties;
+  }
+
+  public void setProperties(Map<String, Object> properties) {
+    this.properties = properties;
+  }
+
+  public Map<String, Object> getAttributes() {
+    return attributes;
+  }
+
+  public void setAttributes(Map<String, Object> attributes) {
+    this.attributes = attributes;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/CapabilityDefinition.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/CapabilityDefinition.java
new file mode 100644
index 0000000000..36dccad6eb
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/CapabilityDefinition.java
@@ -0,0 +1,113 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model;
+
+import org.openecomp.sdc.tosca.services.DataModelUtil;
+import org.openecomp.sdc.tosca.services.ToscaConstants;
+
+import java.util.List;
+import java.util.Map;
+
+public class CapabilityDefinition {
+
+  private String type;
+  private String description;
+  private Map<String, PropertyDefinition> properties;
+  private Map<String, AttributeDefinition> attributes;
+  private List<String> valid_source_types;
+  private Object[] occurrences;
+
+
+  /**
+   * Instantiates a new Capability definition.
+   */
+  public CapabilityDefinition() {
+    occurrences = new Object[2];
+    occurrences[0] = 1;
+    occurrences[1] = ToscaConstants.UNBOUNDED;
+  }
+
+  public String getType() {
+    return type;
+  }
+
+  public void setType(String type) {
+    this.type = type;
+  }
+
+  public String getDescription() {
+    return description;
+  }
+
+  public void setDescription(String description) {
+    this.description = description;
+  }
+
+  public Map<String, PropertyDefinition> getProperties() {
+    return properties;
+  }
+
+  public void setProperties(Map<String, PropertyDefinition> properties) {
+    this.properties = properties;
+  }
+
+  public Map<String, AttributeDefinition> getAttributes() {
+    return attributes;
+  }
+
+  public void setAttributes(Map<String, AttributeDefinition> attributes) {
+    this.attributes = attributes;
+  }
+
+  public List<String> getValid_source_types() {
+    return valid_source_types;
+  }
+
+  public void setValid_source_types(List<String> validSourceTypes) {
+    this.valid_source_types = validSourceTypes;
+  }
+
+  public Object[] getOccurrences() {
+    return occurrences;
+  }
+
+  public void setOccurrences(Object[] occurrences) {
+    this.occurrences = occurrences;
+  }
+
+  @Override
+  public CapabilityDefinition clone() {
+    CapabilityDefinition capabilityDefinition = new CapabilityDefinition();
+    capabilityDefinition
+        .setOccurrences(new Object[]{this.getOccurrences()[0], this.getOccurrences()[1]});
+    capabilityDefinition
+        .setProperties(DataModelUtil.clonePropertyDefinitions(this.getProperties()));
+    capabilityDefinition.setType(this.getType());
+    capabilityDefinition
+        .setAttributes(DataModelUtil.cloneAttributeDefinitions(this.getAttributes()));
+    capabilityDefinition.setDescription(this.getDescription());
+    capabilityDefinition
+        .setValid_source_types(DataModelUtil.cloneValidSourceTypes(this.getValid_source_types()));
+    return capabilityDefinition;
+
+  }
+
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/CapabilityFilterDefinition.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/CapabilityFilterDefinition.java
new file mode 100644
index 0000000000..3678583384
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/CapabilityFilterDefinition.java
@@ -0,0 +1,35 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model;
+
+import java.util.List;
+
+public class CapabilityFilterDefinition {
+  List<Constraint> properties;
+
+  public List<Constraint> getProperties() {
+    return properties;
+  }
+
+  public void setProperties(List<Constraint> properties) {
+    this.properties = properties;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/CapabilityType.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/CapabilityType.java
new file mode 100644
index 0000000000..b0281b4ca0
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/CapabilityType.java
@@ -0,0 +1,82 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model;
+
+import java.util.List;
+import java.util.Map;
+
+public class CapabilityType {
+
+  private String derived_from;
+  private String version;
+  private String description;
+  private Map<String, PropertyDefinition> properties;
+  private Map<String, AttributeDefinition> attributes;
+  private List<String> valid_source_types;
+
+  public String getDerived_from() {
+    return derived_from;
+  }
+
+  public void setDerived_from(String derivedFrom) {
+    this.derived_from = derivedFrom;
+  }
+
+  public String getVersion() {
+    return version;
+  }
+
+  public void setVersion(String version) {
+    this.version = version;
+  }
+
+  public String getDescription() {
+    return description;
+  }
+
+  public void setDescription(String description) {
+    this.description = description;
+  }
+
+  public Map<String, PropertyDefinition> getProperties() {
+    return properties;
+  }
+
+  public void setProperties(Map<String, PropertyDefinition> properties) {
+    this.properties = properties;
+  }
+
+  public Map<String, AttributeDefinition> getAttributes() {
+    return attributes;
+  }
+
+  public void setAttributes(Map<String, AttributeDefinition> attributes) {
+    this.attributes = attributes;
+  }
+
+  public List<String> getValid_source_types() {
+    return valid_source_types;
+  }
+
+  public void setValid_source_types(List<String> validSourceTypes) {
+    this.valid_source_types = validSourceTypes;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/Constraint.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/Constraint.java
new file mode 100644
index 0000000000..2c39ce3902
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/Constraint.java
@@ -0,0 +1,181 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Constraint {
+  private Object equal;
+  private Object greater_or_equal;
+  private Object greater_than;
+  private Object less_than;
+  private Object less_or_equal;
+  private Object[] in_range;
+  private List<Object> valid_values;
+  private Integer length;
+  private Integer min_length;
+  private Integer max_length;
+  private Object pattern;
+
+  public Constraint() {
+  }
+
+  public Object getGreater_or_equal() {
+    return greater_or_equal;
+  }
+
+  public void setGreater_or_equal(Object greaterOrEqual) {
+    this.greater_or_equal = greaterOrEqual;
+  }
+
+  public Object getEqual() {
+    return equal;
+  }
+
+  public void setEqual(Object equal) {
+    this.equal = equal;
+  }
+
+  public Object getGreater_than() {
+    return greater_than;
+  }
+
+  public void setGreater_than(Object greaterThan) {
+    this.greater_than = greaterThan;
+  }
+
+  public Object getLess_than() {
+    return less_than;
+  }
+
+  public void setLess_than(Object lessThan) {
+    this.less_than = lessThan;
+  }
+
+  public Object getLess_or_equal() {
+    return less_or_equal;
+  }
+
+  public void setLess_or_equal(Object lessOrEqual) {
+    this.less_or_equal = lessOrEqual;
+  }
+
+  public Object[] getIn_range() {
+    return in_range;
+  }
+
+  /**
+   * Sets in range.
+   *
+   * @param inRange the in range
+   */
+  public void setIn_range(Object[] inRange) {
+    this.in_range = new Object[2];
+    this.in_range[0] = inRange[0];
+    this.in_range[1] = inRange[1];
+  }
+
+  public List<Object> getValid_values() {
+    return valid_values;
+  }
+
+  public void setValid_values(List<Object> validValues) {
+    this.valid_values = validValues;
+  }
+
+  /**
+   * Add valid value.
+   *
+   * @param validValue the valid value
+   */
+  public void addValidValue(Object validValue) {
+    if (this.valid_values == null) {
+      this.valid_values = new ArrayList<>();
+    }
+    valid_values.add(validValue);
+  }
+
+  public Integer getLength() {
+    return length;
+  }
+
+  public void setLength(Integer length) {
+    this.length = length;
+  }
+
+  public Integer getMin_length() {
+    return min_length;
+  }
+
+  public void setMin_length(Integer minLength) {
+    this.min_length = minLength;
+  }
+
+  public Integer getMax_length() {
+    return max_length;
+  }
+
+  public void setMax_length(Integer maxLength) {
+    this.max_length = maxLength;
+  }
+
+  public Object getPattern() {
+    return pattern;
+  }
+
+  public void setPattern(Object pattern) {
+    this.pattern = pattern;
+  }
+
+  @Override
+  public Constraint clone() {
+    Constraint constraint = new Constraint();
+    constraint.setEqual(this.getEqual());
+    constraint.setGreater_or_equal(this.getGreater_or_equal());
+    constraint.setGreater_than(this.getGreater_than());
+    cloneInRange(constraint);
+    constraint.setLength(this.getLength());
+    constraint.setLess_or_equal(this.getLess_or_equal());
+    constraint.setLess_than(this.getLess_than());
+    constraint.setMax_length(this.getMax_length());
+    constraint.setMin_length(this.getMin_length());
+    constraint.setPattern(this.getPattern());
+    cloneValidValues(constraint);
+
+    return constraint;
+  }
+
+  private void cloneInRange(Constraint constraint) {
+    if (this.getIn_range() != null) {
+      constraint.setIn_range(new Object[]{this.getIn_range()[0], this.getIn_range()[1]});
+    }
+  }
+
+  private void cloneValidValues(Constraint constraint) {
+    if (this.getValid_values() != null) {
+      constraint.setValid_values(new ArrayList<>());
+      for (Object entry : this.getValid_values()) {
+        constraint.getValid_values().add(entry);
+      }
+    }
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/DataType.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/DataType.java
new file mode 100644
index 0000000000..866c5774d8
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/DataType.java
@@ -0,0 +1,73 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model;
+
+import java.util.List;
+import java.util.Map;
+
+public class DataType {
+
+  private String derived_from;
+  private String version;
+  private String description;
+  private List<Constraint> constraints;
+  private Map<String, PropertyDefinition> properties;
+
+  public String getDerived_from() {
+    return derived_from;
+  }
+
+  public void setDerived_from(String derivedFrom) {
+    this.derived_from = derivedFrom;
+  }
+
+  public String getVersion() {
+    return version;
+  }
+
+  public void setVersion(String version) {
+    this.version = version;
+  }
+
+  public String getDescription() {
+    return description;
+  }
+
+  public void setDescription(String description) {
+    this.description = description;
+  }
+
+  public List<Constraint> getConstraints() {
+    return constraints;
+  }
+
+  public void setConstraints(List<Constraint> constraints) {
+    this.constraints = constraints;
+  }
+
+  public Map<String, PropertyDefinition> getProperties() {
+    return properties;
+  }
+
+  public void setProperties(Map<String, PropertyDefinition> properties) {
+    this.properties = properties;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/Directive.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/Directive.java
new file mode 100644
index 0000000000..078a6449ea
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/Directive.java
@@ -0,0 +1,40 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model;
+
+public enum Directive {
+
+
+  SELECTABLE("selectable"),
+  SUBSTITUTABLE("substitutable");
+
+  private String displayName;
+
+  Directive(String displayName) {
+    this.displayName = displayName;
+  }
+
+  public String getDisplayName() {
+    return displayName;
+  }
+
+
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/EntrySchema.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/EntrySchema.java
new file mode 100644
index 0000000000..8b08e54c01
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/EntrySchema.java
@@ -0,0 +1,65 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model;
+
+import org.openecomp.sdc.tosca.services.DataModelUtil;
+
+import java.util.List;
+
+public class EntrySchema {
+
+  private String description;
+  private String type;
+  private List<Constraint> constraints;
+
+  public String getDescription() {
+    return description;
+  }
+
+  public void setDescription(String description) {
+    this.description = description;
+  }
+
+  public String getType() {
+    return type;
+  }
+
+  public void setType(String type) {
+    this.type = type;
+  }
+
+  public List<Constraint> getConstraints() {
+    return constraints;
+  }
+
+  public void setConstraints(List<Constraint> constraints) {
+    this.constraints = constraints;
+  }
+
+  @Override
+  public EntrySchema clone() {
+    EntrySchema entrySchema = new EntrySchema();
+    entrySchema.setDescription(this.getDescription());
+    entrySchema.setType(this.getType());
+    entrySchema.setConstraints(DataModelUtil.cloneConstraints(this.getConstraints()));
+    return entrySchema;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/GroupDefinition.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/GroupDefinition.java
new file mode 100644
index 0000000000..807bf260c3
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/GroupDefinition.java
@@ -0,0 +1,64 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model;
+
+import java.util.List;
+import java.util.Map;
+
+public class GroupDefinition {
+
+  private String type;
+  private String description;
+  private Map<String, Object> properties;
+  private List<String> members;
+
+  public String getType() {
+    return type;
+  }
+
+  public void setType(String type) {
+    this.type = type;
+  }
+
+  public String getDescription() {
+    return description;
+  }
+
+  public void setDescription(String description) {
+    this.description = description;
+  }
+
+  public Map<String, Object> getProperties() {
+    return properties;
+  }
+
+  public void setProperties(Map<String, Object> properties) {
+    this.properties = properties;
+  }
+
+  public List<String> getMembers() {
+    return members;
+  }
+
+  public void setMembers(List<String> members) {
+    this.members = members;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/GroupType.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/GroupType.java
new file mode 100644
index 0000000000..4bbb861286
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/GroupType.java
@@ -0,0 +1,82 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model;
+
+import java.util.List;
+import java.util.Map;
+
+public class GroupType {
+
+  private String derived_from;
+  private String version;
+  private String description;
+  private Map<String, PropertyDefinition> properties;
+  private List<String> members;
+  private Map<String, InterfaceDefinition> interfaces;
+
+  public String getDerived_from() {
+    return derived_from;
+  }
+
+  public void setDerived_from(String derivedFrom) {
+    this.derived_from = derivedFrom;
+  }
+
+  public String getVersion() {
+    return version;
+  }
+
+  public void setVersion(String version) {
+    this.version = version;
+  }
+
+  public String getDescription() {
+    return description;
+  }
+
+  public void setDescription(String description) {
+    this.description = description;
+  }
+
+  public Map<String, PropertyDefinition> getProperties() {
+    return properties;
+  }
+
+  public void setProperties(Map<String, PropertyDefinition> properties) {
+    this.properties = properties;
+  }
+
+  public List<String> getMembers() {
+    return members;
+  }
+
+  public void setMembers(List<String> members) {
+    this.members = members;
+  }
+
+  public Map<String, InterfaceDefinition> getInterfaces() {
+    return interfaces;
+  }
+
+  public void setInterfaces(Map<String, InterfaceDefinition> interfaces) {
+    this.interfaces = interfaces;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/Import.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/Import.java
new file mode 100644
index 0000000000..207a1b520a
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/Import.java
@@ -0,0 +1,61 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model;
+
+public class Import {
+
+  private String file;
+  private String repository;
+  private String namespace_uri;
+  private String namespace_prefix;
+
+  public String getFile() {
+    return file;
+  }
+
+  public void setFile(String file) {
+    this.file = file;
+  }
+
+  public String getRepository() {
+    return repository;
+  }
+
+  public void setRepository(String repository) {
+    this.repository = repository;
+  }
+
+  public String getNamespace_uri() {
+    return namespace_uri;
+  }
+
+  public void setNamespace_uri(String namespaceUri) {
+    this.namespace_uri = namespaceUri;
+  }
+
+  public String getNamespace_prefix() {
+    return namespace_prefix;
+  }
+
+  public void setNamespace_prefix(String namespacePrefix) {
+    this.namespace_prefix = namespacePrefix;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/InterfaceDefinition.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/InterfaceDefinition.java
new file mode 100644
index 0000000000..cf09510083
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/InterfaceDefinition.java
@@ -0,0 +1,24 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model;
+
+public class InterfaceDefinition {
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/InterfaceType.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/InterfaceType.java
new file mode 100644
index 0000000000..b177b0660a
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/InterfaceType.java
@@ -0,0 +1,24 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model;
+
+public class InterfaceType {
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/Metadata.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/Metadata.java
new file mode 100644
index 0000000000..162e693dba
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/Metadata.java
@@ -0,0 +1,55 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model;
+
+import java.util.Map;
+
+public class Metadata {
+
+  private String template_name;
+  private String template_author;
+  private String template_version;
+
+
+  public String getTemplate_name() {
+    return template_name;
+  }
+
+  public void setTemplate_name(String templateName) {
+    this.template_name = templateName;
+  }
+
+  public String getTemplate_author() {
+    return template_author;
+  }
+
+  public void setTemplate_author(String templateAuthor) {
+    this.template_author = templateAuthor;
+  }
+
+  public String getTemplate_version() {
+    return template_version;
+  }
+
+  public void setTemplate_version(String templateVersion) {
+    this.template_version = templateVersion;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/NodeFilter.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/NodeFilter.java
new file mode 100644
index 0000000000..d87dcd7b1d
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/NodeFilter.java
@@ -0,0 +1,47 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model;
+
+import java.util.List;
+import java.util.Map;
+
+public class NodeFilter {
+
+  Map<String, List<Constraint>> properties;
+  Map<String, CapabilityFilterDefinition> capabilities;
+
+  public Map<String, List<Constraint>> getProperties() {
+
+    return properties;
+  }
+
+  public void setProperties(Map<String, List<Constraint>> properties) {
+    this.properties = properties;
+  }
+
+  public Map<String, CapabilityFilterDefinition> getCapabilities() {
+    return capabilities;
+  }
+
+  public void setCapabilities(Map<String, CapabilityFilterDefinition> capabilities) {
+    this.capabilities = capabilities;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/NodeTemplate.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/NodeTemplate.java
new file mode 100644
index 0000000000..41ac232605
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/NodeTemplate.java
@@ -0,0 +1,127 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model;
+
+import java.util.List;
+import java.util.Map;
+
+public class NodeTemplate implements Template {
+
+  private String type;
+  private String description;
+  private List<String> directives;
+  private Map<String, Object> properties;
+  private Map<String, Object> attributes;
+  private List<Map<String, RequirementAssignment>> requirements;
+  private List<Map<String, CapabilityAssignment>> capabilities;
+  private Map<String, InterfaceDefinition> interfaces;
+  private Map<String, ArtifactDefinition> artifacts;
+  private NodeFilter node_filter;
+  private String copy;
+
+  public String getType() {
+    return type;
+  }
+
+  public void setType(String type) {
+    this.type = type;
+  }
+
+  public String getDescription() {
+    return description;
+  }
+
+  public void setDescription(String description) {
+    this.description = description;
+  }
+
+  public List<String> getDirectives() {
+    return directives;
+  }
+
+  public void setDirectives(List<String> directives) {
+    this.directives = directives;
+  }
+
+  public Map<String, Object> getProperties() {
+    return properties;
+  }
+
+  public void setProperties(Map<String, Object> properties) {
+    this.properties = properties;
+  }
+
+  public Map<String, Object> getAttributes() {
+    return attributes;
+  }
+
+  public void setAttributes(Map<String, Object> attributes) {
+    this.attributes = attributes;
+  }
+
+  public List<Map<String, RequirementAssignment>> getRequirements() {
+    return requirements;
+  }
+
+  public void setRequirements(List<Map<String, RequirementAssignment>> requirements) {
+    this.requirements = requirements;
+  }
+
+  public List<Map<String, CapabilityAssignment>> getCapabilities() {
+    return capabilities;
+  }
+
+  public void setCapabilities(List<Map<String, CapabilityAssignment>> capabilities) {
+    this.capabilities = capabilities;
+  }
+
+  public Map<String, InterfaceDefinition> getInterfaces() {
+    return interfaces;
+  }
+
+  public void setInterfaces(Map<String, InterfaceDefinition> interfaces) {
+    this.interfaces = interfaces;
+  }
+
+  public Map<String, ArtifactDefinition> getArtifacts() {
+    return artifacts;
+  }
+
+  public void setArtifacts(Map<String, ArtifactDefinition> artifacts) {
+    this.artifacts = artifacts;
+  }
+
+  public NodeFilter getNode_filter() {
+    return node_filter;
+  }
+
+  public void setNode_filter(NodeFilter nodeFilter) {
+    this.node_filter = nodeFilter;
+  }
+
+  public String getCopy() {
+    return copy;
+  }
+
+  public void setCopy(String copy) {
+    this.copy = copy;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/NodeType.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/NodeType.java
new file mode 100644
index 0000000000..d477f286ee
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/NodeType.java
@@ -0,0 +1,125 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model;
+
+import java.util.List;
+import java.util.Map;
+
+public class NodeType {
+
+  private String derived_from;
+  private String version;
+  private String description;
+  private Map<String, PropertyDefinition> properties;
+  private Map<String, AttributeDefinition> attributes;
+  private List<Map<String, RequirementDefinition>> requirements;
+  private Map<String, CapabilityDefinition> capabilities;
+  private Map<String, InterfaceDefinition> interfaces;
+  private Map<String, ArtifactDefinition> artifacts;
+
+
+  public String getDerived_from() {
+    return derived_from;
+  }
+
+  public void setDerived_from(String derivedFrom) {
+    this.derived_from = derivedFrom;
+  }
+
+  public String getVersion() {
+    return version;
+  }
+
+  public void setVersion(String version) {
+    this.version = version;
+  }
+
+  public String getDescription() {
+    return description;
+  }
+
+  public void setDescription(String description) {
+    this.description = description;
+  }
+
+  public Map<String, PropertyDefinition> getProperties() {
+    return properties;
+  }
+
+  public void setProperties(Map<String, PropertyDefinition> properties) {
+    this.properties = properties;
+  }
+
+  public Map<String, AttributeDefinition> getAttributes() {
+    return attributes;
+  }
+
+  public void setAttributes(Map<String, AttributeDefinition> attributes) {
+    this.attributes = attributes;
+  }
+
+  public List<Map<String, RequirementDefinition>> getRequirements() {
+    return requirements;
+  }
+
+  public void setRequirements(List<Map<String, RequirementDefinition>> requirements) {
+    this.requirements = requirements;
+  }
+
+  public Map<String, CapabilityDefinition> getCapabilities() {
+    return capabilities;
+  }
+
+  public void setCapabilities(Map<String, CapabilityDefinition> capabilities) {
+    this.capabilities = capabilities;
+  }
+
+  public Map<String, InterfaceDefinition> getInterfaces() {
+    return interfaces;
+  }
+
+  public void setInterfaces(Map<String, InterfaceDefinition> interfaces) {
+    this.interfaces = interfaces;
+  }
+
+  public Map<String, ArtifactDefinition> getArtifacts() {
+    return artifacts;
+  }
+
+  public void setArtifacts(Map<String, ArtifactDefinition> artifacts) {
+    this.artifacts = artifacts;
+  }
+
+  @Override
+  public NodeType clone() {
+    NodeType clone = new NodeType();
+    clone.setCapabilities(this.getCapabilities());
+    clone.setDerived_from(this.getDerived_from());
+    clone.setProperties(this.getProperties());
+    clone.setRequirements(this.getRequirements());
+    clone.setDescription(this.getDescription());
+    clone.setAttributes(this.getAttributes());
+    clone.setInterfaces(this.getInterfaces());
+    clone.setVersion(this.getVersion());
+    clone.setArtifacts(this.getArtifacts());
+    return clone;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/ParameterDefinition.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/ParameterDefinition.java
new file mode 100644
index 0000000000..6ef4c782f5
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/ParameterDefinition.java
@@ -0,0 +1,99 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model;
+
+import java.util.List;
+
+public class ParameterDefinition {
+
+  private String type;
+  private String description;
+  private Object value;
+  private Boolean required;
+  private Object _default;
+  private Status status;
+  private List<Constraint> constraints;
+  private EntrySchema entry_schema;
+
+  public String getType() {
+    return type;
+  }
+
+  public void setType(String type) {
+    this.type = type;
+  }
+
+  public String getDescription() {
+    return description;
+  }
+
+  public void setDescription(String description) {
+    this.description = description;
+  }
+
+  public Object getValue() {
+    return value;
+  }
+
+  public void setValue(Object value) {
+    this.value = value;
+  }
+
+  public Boolean getRequired() {
+    return required;
+  }
+
+  public void setRequired(Boolean required) {
+    this.required = required;
+  }
+
+  public Object get_default() {
+    return _default;
+  }
+
+  public void set_default(Object defaultValue) {
+    this._default = defaultValue;
+  }
+
+  public Status getStatus() {
+    return status;
+  }
+
+  public void setStatus(Status status) {
+    this.status = status;
+  }
+
+  public List<Constraint> getConstraints() {
+    return constraints;
+  }
+
+  public void setConstraints(List<Constraint> constraints) {
+    this.constraints = constraints;
+  }
+
+  public EntrySchema getEntry_schema() {
+    return entry_schema;
+  }
+
+  public void setEntry_schema(EntrySchema entrySchema) {
+    this.entry_schema = entrySchema;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/PolicyDefinition.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/PolicyDefinition.java
new file mode 100644
index 0000000000..90f44ae36a
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/PolicyDefinition.java
@@ -0,0 +1,63 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model;
+
+import java.util.List;
+import java.util.Map;
+
+public class PolicyDefinition implements Template {
+  private String type;
+  private String description;
+  private Map<String, Object> properties;
+  private List<String> targets;
+
+  public String getType() {
+    return type;
+  }
+
+  public void setType(String type) {
+    this.type = type;
+  }
+
+  public String getDescription() {
+    return description;
+  }
+
+  public void setDescription(String description) {
+    this.description = description;
+  }
+
+  public Map<String, Object> getProperties() {
+    return properties;
+  }
+
+  public void setProperties(Map<String, Object> properties) {
+    this.properties = properties;
+  }
+
+  public List<String> getTargets() {
+    return targets;
+  }
+
+  public void setTargets(List<String> targets) {
+    this.targets = targets;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/PolicyType.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/PolicyType.java
new file mode 100644
index 0000000000..07412cda59
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/PolicyType.java
@@ -0,0 +1,73 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model;
+
+import java.util.List;
+import java.util.Map;
+
+public class PolicyType {
+
+  private String derived_from;
+  private String version;
+  private String description;
+  private Map<String, PropertyDefinition> properties;
+  private List<String> targets;
+
+  public String getDerived_from() {
+    return derived_from;
+  }
+
+  public void setDerived_from(String derivedFrom) {
+    this.derived_from = derivedFrom;
+  }
+
+  public String getVersion() {
+    return version;
+  }
+
+  public void setVersion(String version) {
+    this.version = version;
+  }
+
+  public String getDescription() {
+    return description;
+  }
+
+  public void setDescription(String description) {
+    this.description = description;
+  }
+
+  public Map<String, PropertyDefinition> getProperties() {
+    return properties;
+  }
+
+  public void setProperties(Map<String, PropertyDefinition> properties) {
+    this.properties = properties;
+  }
+
+  public List<String> getTargets() {
+    return targets;
+  }
+
+  public void setTargets(List<String> targets) {
+    this.targets = targets;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/PropertyDefinition.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/PropertyDefinition.java
new file mode 100644
index 0000000000..cf47d0b113
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/PropertyDefinition.java
@@ -0,0 +1,112 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model;
+
+import org.openecomp.sdc.tosca.services.DataModelUtil;
+
+import java.util.List;
+
+public class PropertyDefinition {
+
+  private String type;
+  private String description;
+  private Boolean required;
+  private Object _default;
+  private Status status;
+  private List<Constraint> constraints;
+  private EntrySchema entry_schema;
+
+  public PropertyDefinition() {
+    status = Status.SUPPORTED;
+    required = true;
+  }
+
+  public String getType() {
+    return type;
+  }
+
+  public void setType(String type) {
+    this.type = type;
+  }
+
+  public String getDescription() {
+    return description;
+  }
+
+  public void setDescription(String description) {
+    this.description = description;
+  }
+
+  public Boolean getRequired() {
+    return required;
+  }
+
+  public void setRequired(Boolean required) {
+    this.required = required;
+  }
+
+  public Object get_default() {
+    return _default;
+  }
+
+  public void set_default(Object defaultValue) {
+    this._default = defaultValue;
+  }
+
+  public Status getStatus() {
+    return status;
+  }
+
+  public void setStatus(Status status) {
+    this.status = status;
+  }
+
+  public List<Constraint> getConstraints() {
+    return constraints;
+  }
+
+  public void setConstraints(List<Constraint> constraints) {
+    this.constraints = constraints;
+  }
+
+  public EntrySchema getEntry_schema() {
+    return entry_schema;
+  }
+
+  public void setEntry_schema(EntrySchema entrySchema) {
+    this.entry_schema = entrySchema;
+  }
+
+  @Override
+  public PropertyDefinition clone() {
+    PropertyDefinition propertyDefinition = new PropertyDefinition();
+    propertyDefinition.setType(this.getType());
+    propertyDefinition.setDescription(this.getDescription());
+    propertyDefinition.setRequired(this.getRequired());
+    propertyDefinition.set_default(this.get_default());
+    propertyDefinition.setStatus(this.getStatus());
+    propertyDefinition.setEntry_schema(this.getEntry_schema().clone());
+    propertyDefinition.setConstraints(DataModelUtil.cloneConstraints(this.getConstraints()));
+    return propertyDefinition;
+  }
+
+
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/PropertyType.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/PropertyType.java
new file mode 100644
index 0000000000..3fdd9bba0e
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/PropertyType.java
@@ -0,0 +1,117 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * The enum Property type.
+ */
+public enum PropertyType {
+
+  /**
+   * String property type.
+   */
+  STRING("string"),
+  /**
+   * Integer property type.
+   */
+  INTEGER("integer"),
+  /**
+   * Float property type.
+   */
+  FLOAT("float"),
+  /**
+   * Boolean property type.
+   */
+  BOOLEAN("boolean"),
+  /**
+   * Timestamp property type.
+   */
+  TIMESTAMP("timestamp"),
+  /**
+   * Null property type.
+   */
+  NULL("null"),
+  /**
+   * Map property type.
+   */
+  MAP("map"),
+  /**
+   * List property type.
+   */
+  LIST("list"),
+  /**
+   * Scalar unit size property type.
+   */
+  SCALAR_UNIT_SIZE("scalar-unit.size");
+
+  private static final Map<String, PropertyType> mMap =
+      Collections.unmodifiableMap(initializeMapping());
+  private String displayName;
+
+  PropertyType(String displayName) {
+
+    this.displayName = displayName;
+  }
+
+  /**
+   * Initialize mapping map.
+   *
+   * @return the map
+   */
+  public static Map<String, PropertyType> initializeMapping() {
+    Map<String, PropertyType> typeMap = new HashMap<String, PropertyType>();
+    for (PropertyType v : PropertyType.values()) {
+      typeMap.put(v.displayName, v);
+    }
+    return typeMap;
+  }
+
+  /**
+   * Gets property type by display name.
+   *
+   * @param displayName the display name
+   * @return the property type by display name
+   */
+  public static PropertyType getPropertyTypeByDisplayName(String displayName) {
+    if (mMap == null) {
+      initializeMapping();
+    }
+    if (mMap.containsKey(displayName)) {
+      return mMap.get(displayName);
+    }
+    return null;
+  }
+
+  /**
+   * Gets display name.
+   *
+   * @return the display name
+   */
+  public String getDisplayName() {
+    return displayName;
+  }
+
+
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/RelationshipTemplate.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/RelationshipTemplate.java
new file mode 100644
index 0000000000..c3a1195565
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/RelationshipTemplate.java
@@ -0,0 +1,99 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model;
+
+import java.util.Map;
+
+public class RelationshipTemplate implements Template {
+
+  private String type;
+  private String description;
+  private Map<String, Object> properties;
+  private Map<String, Object> attributes;
+  private Map<String, RequirementAssignment> requirements;
+  private Map<String, CapabilityAssignment> capabilities;
+  private Map<String, InterfaceDefinition> interfaces;
+  private String copy;
+
+  public String getType() {
+    return type;
+  }
+
+  public void setType(String type) {
+    this.type = type;
+  }
+
+  public String getDescription() {
+    return description;
+  }
+
+  public void setDescription(String description) {
+    this.description = description;
+  }
+
+  public Map<String, Object> getProperties() {
+    return properties;
+  }
+
+  public void setProperties(Map<String, Object> properties) {
+    this.properties = properties;
+  }
+
+  public Map<String, Object> getAttributes() {
+    return attributes;
+  }
+
+  public void setAttributes(Map<String, Object> attributes) {
+    this.attributes = attributes;
+  }
+
+  public Map<String, RequirementAssignment> getRequirements() {
+    return requirements;
+  }
+
+  public void setRequirements(Map<String, RequirementAssignment> requirements) {
+    this.requirements = requirements;
+  }
+
+  public Map<String, CapabilityAssignment> getCapabilities() {
+    return capabilities;
+  }
+
+  public void setCapabilities(Map<String, CapabilityAssignment> capabilities) {
+    this.capabilities = capabilities;
+  }
+
+  public Map<String, InterfaceDefinition> getInterfaces() {
+    return interfaces;
+  }
+
+  public void setInterfaces(Map<String, InterfaceDefinition> interfaces) {
+    this.interfaces = interfaces;
+  }
+
+  public String getCopy() {
+    return copy;
+  }
+
+  public void setCopy(String copy) {
+    this.copy = copy;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/RelationshipType.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/RelationshipType.java
new file mode 100644
index 0000000000..173a8a0f64
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/RelationshipType.java
@@ -0,0 +1,93 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model;
+
+import java.util.List;
+import java.util.Map;
+
+public class RelationshipType {
+
+  private String derived_from;
+  private String version;
+  private String description;
+  private Map<String, PropertyDefinition> properties;
+  private Map<String, AttributeDefinition> attributes;
+  private Map<String, InterfaceDefinition> interfaces;
+  private List<String> valid_target_types;
+  //An optional list of one or more names of Capability Types that are valid targets
+  //for this relationship
+
+  public String getDerived_from() {
+    return derived_from;
+  }
+
+  public void setDerived_from(String derivedFrom) {
+    this.derived_from = derivedFrom;
+  }
+
+  public String getVersion() {
+    return version;
+  }
+
+  public void setVersion(String version) {
+    this.version = version;
+  }
+
+  public String getDescription() {
+    return description;
+  }
+
+  public void setDescription(String description) {
+    this.description = description;
+  }
+
+  public Map<String, PropertyDefinition> getProperties() {
+    return properties;
+  }
+
+  public void setProperties(Map<String, PropertyDefinition> properties) {
+    this.properties = properties;
+  }
+
+  public Map<String, AttributeDefinition> getAttributes() {
+    return attributes;
+  }
+
+  public void setAttributes(Map<String, AttributeDefinition> attributes) {
+    this.attributes = attributes;
+  }
+
+  public Map<String, InterfaceDefinition> getInterfaces() {
+    return interfaces;
+  }
+
+  public void setInterfaces(Map<String, InterfaceDefinition> interfaces) {
+    this.interfaces = interfaces;
+  }
+
+  public List<String> getValid_target_types() {
+    return valid_target_types;
+  }
+
+  public void setValid_target_types(List<String> validTargetTypes) {
+    this.valid_target_types = validTargetTypes;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/RequirementAssignment.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/RequirementAssignment.java
new file mode 100644
index 0000000000..445063a3ed
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/RequirementAssignment.java
@@ -0,0 +1,70 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model;
+
+public class RequirementAssignment {
+
+  private String capability;
+  private String node;
+  private String relationship;
+  private NodeFilter node_filter;
+  private Object[] occurrences;
+
+  public String getCapability() {
+    return capability;
+  }
+
+  public void setCapability(String capability) {
+    this.capability = capability;
+  }
+
+  public String getNode() {
+    return node;
+  }
+
+  public void setNode(String node) {
+    this.node = node;
+  }
+
+  public String getRelationship() {
+    return relationship;
+  }
+
+  public void setRelationship(String relationship) {
+    this.relationship = relationship;
+  }
+
+  public NodeFilter getNode_filter() {
+    return node_filter;
+  }
+
+  public void setNode_filter(NodeFilter nodeFilter) {
+    this.node_filter = nodeFilter;
+  }
+
+  public Object[] getOccurrences() {
+    return occurrences;
+  }
+
+  public void setOccurrences(Object[] occurrences) {
+    this.occurrences = occurrences;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/RequirementDefinition.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/RequirementDefinition.java
new file mode 100644
index 0000000000..fe3238f1b5
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/RequirementDefinition.java
@@ -0,0 +1,82 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model;
+
+public class RequirementDefinition {
+
+  private String capability;
+  private String node;
+  private String relationship;
+  private Object[] occurrences;
+
+  /**
+   * Instantiates a new Requirement definition.
+   */
+  public RequirementDefinition() {
+    occurrences = new Object[2];
+    occurrences[0] = 1;
+    occurrences[1] = 1;
+  }
+
+  public String getCapability() {
+    return capability;
+  }
+
+  public void setCapability(String capability) {
+    this.capability = capability;
+  }
+
+  public String getNode() {
+    return node;
+  }
+
+  public void setNode(String node) {
+    this.node = node;
+  }
+
+  public String getRelationship() {
+    return relationship;
+  }
+
+  public void setRelationship(String relationship) {
+    this.relationship = relationship;
+  }
+
+  public Object[] getOccurrences() {
+    return occurrences;
+  }
+
+  public void setOccurrences(Object[] occurrences) {
+    this.occurrences = occurrences;
+  }
+
+  @Override
+  public RequirementDefinition clone() {
+    RequirementDefinition requirementDefinition = new RequirementDefinition();
+    requirementDefinition.setNode(this.getNode());
+    requirementDefinition.setRelationship(this.getRelationship());
+    requirementDefinition.setCapability(this.getCapability());
+    requirementDefinition
+        .setOccurrences(new Object[]{this.getOccurrences()[0], this.getOccurrences()[1]});
+    return requirementDefinition;
+  }
+
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/Scalar.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/Scalar.java
new file mode 100644
index 0000000000..619ac510b0
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/Scalar.java
@@ -0,0 +1,34 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model;
+
+public class Scalar {
+
+  private Float value;
+
+  public Float getValue() {
+    return value;
+  }
+
+  public void setValue(Float value) {
+    this.value = value;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/ServiceTemplate.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/ServiceTemplate.java
new file mode 100644
index 0000000000..98da0104b8
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/ServiceTemplate.java
@@ -0,0 +1,144 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model;
+
+import java.util.Map;
+
+public class ServiceTemplate implements Template {
+
+  private String tosca_definitions_version;
+  private Metadata metadata;
+  private String description;
+  private Map<String, Import> imports;
+  private Map<String, ArtifactType> artifact_types;
+  private Map<String, DataType> data_types;
+  private Map<String, CapabilityType> capability_types;
+  private Map<String, InterfaceType> interface_types;
+  private Map<String, RelationshipType> relationship_types;
+  private Map<String, NodeType> node_types;
+  private Map<String, GroupType> group_types;
+  private Map<String, PolicyType> policy_types;
+  private TopologyTemplate topology_template;
+
+  public String getTosca_definitions_version() {
+    return tosca_definitions_version;
+  }
+
+  public void setTosca_definitions_version(String toscaDefinitionsVersion) {
+    this.tosca_definitions_version = toscaDefinitionsVersion;
+  }
+
+  public Metadata getMetadata() {
+    return metadata;
+  }
+
+  public void setMetadata(Metadata metadata) {
+    this.metadata = metadata;
+  }
+
+  public String getDescription() {
+    return description;
+  }
+
+  public void setDescription(String description) {
+    this.description = description;
+  }
+
+  public Map<String, Import> getImports() {
+    return imports;
+  }
+
+  public void setImports(Map<String, Import> imports) {
+    this.imports = imports;
+  }
+
+  public Map<String, ArtifactType> getArtifact_types() {
+    return artifact_types;
+  }
+
+  public void setArtifact_types(Map<String, ArtifactType> artifactTypes) {
+    this.artifact_types = artifactTypes;
+  }
+
+  public Map<String, DataType> getData_types() {
+    return data_types;
+  }
+
+  public void setData_types(Map<String, DataType> dataTypes) {
+    this.data_types = dataTypes;
+  }
+
+  public Map<String, CapabilityType> getCapability_types() {
+    return capability_types;
+  }
+
+  public void setCapability_types(Map<String, CapabilityType> capabilityTypes) {
+    this.capability_types = capabilityTypes;
+  }
+
+  public Map<String, RelationshipType> getRelationship_types() {
+    return relationship_types;
+  }
+
+  public void setRelationship_types(Map<String, RelationshipType> relationshipTypes) {
+    this.relationship_types = relationshipTypes;
+  }
+
+  public Map<String, NodeType> getNode_types() {
+    return node_types;
+  }
+
+  public void setNode_types(Map<String, NodeType> nodeTypes) {
+    this.node_types = nodeTypes;
+  }
+
+  public Map<String, GroupType> getGroup_types() {
+    return group_types;
+  }
+
+  public void setGroup_types(Map<String, GroupType> groupTypes) {
+    this.group_types = groupTypes;
+  }
+
+  public Map<String, InterfaceType> getInterface_types() {
+    return interface_types;
+  }
+
+  public void setInterface_types(Map<String, InterfaceType> interfaceTypes) {
+    this.interface_types = interfaceTypes;
+  }
+
+  public Map<String, PolicyType> getPolicy_types() {
+    return policy_types;
+  }
+
+  public void setPolicy_types(Map<String, PolicyType> policyTypes) {
+    this.policy_types = policyTypes;
+  }
+
+  public TopologyTemplate getTopology_template() {
+    return topology_template;
+  }
+
+  public void setTopology_template(TopologyTemplate topologyTemplate) {
+    this.topology_template = topologyTemplate;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/Status.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/Status.java
new file mode 100644
index 0000000000..0805982a54
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/Status.java
@@ -0,0 +1,42 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model;
+
+import java.util.Map;
+
+public enum Status {
+
+  SUPPORTED("supported"),
+  UNSUPPORTED("unsupported"),
+  EXPERIMENTAL("experimental"),
+  DEPRECATED("deprecated"),;
+  private String displayName;
+
+  Status(String displayName) {
+    this.displayName = displayName;
+  }
+
+  public String getDisplayName() {
+    return displayName;
+  }
+
+
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/SubstitutionMapping.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/SubstitutionMapping.java
new file mode 100644
index 0000000000..50c262dc42
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/SubstitutionMapping.java
@@ -0,0 +1,54 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model;
+
+import java.util.List;
+import java.util.Map;
+
+public class SubstitutionMapping {
+  private String node_type;
+  private Map<String, List<String>> capabilities;
+  private Map<String, List<String>> requirements;
+
+  public String getNode_type() {
+    return node_type;
+  }
+
+  public void setNode_type(String nodeType) {
+    this.node_type = nodeType;
+  }
+
+  public Map<String, List<String>> getRequirements() {
+    return requirements;
+  }
+
+  public void setRequirements(Map<String, List<String>> requirements) {
+    this.requirements = requirements;
+  }
+
+  public Map<String, List<String>> getCapabilities() {
+    return capabilities;
+  }
+
+  public void setCapabilities(Map<String, List<String>> capabilities) {
+    this.capabilities = capabilities;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/Template.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/Template.java
new file mode 100644
index 0000000000..128bb3c0a9
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/Template.java
@@ -0,0 +1,24 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model;
+
+public interface Template {
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/TopologyTemplate.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/TopologyTemplate.java
new file mode 100644
index 0000000000..288242946a
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/TopologyTemplate.java
@@ -0,0 +1,114 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Objects;
+
+public class TopologyTemplate {
+
+  private String description;
+  private Map<String, ParameterDefinition> inputs;
+  private Map<String, NodeTemplate> node_templates;
+  private Map<String, RelationshipTemplate> relationship_templates;
+  private Map<String, GroupDefinition> groups;
+  private Map<String, ParameterDefinition> outputs;
+  private SubstitutionMapping substitution_mappings;
+  private Map<String, PolicyDefinition> policies;
+
+  public String getDescription() {
+    return description;
+  }
+
+  public void setDescription(String description) {
+    this.description = description;
+  }
+
+  public Map<String, ParameterDefinition> getInputs() {
+    return inputs;
+  }
+
+  public void setInputs(Map<String, ParameterDefinition> inputs) {
+    this.inputs = inputs;
+  }
+
+  public Map<String, NodeTemplate> getNode_templates() {
+    return node_templates;
+  }
+
+  public void setNode_templates(Map<String, NodeTemplate> nodeTemplates) {
+    this.node_templates = nodeTemplates;
+  }
+
+  public Map<String, RelationshipTemplate> getRelationship_templates() {
+    return relationship_templates;
+  }
+
+  public void setRelationship_templates(Map<String, RelationshipTemplate> relationshipTemplates) {
+    this.relationship_templates = relationshipTemplates;
+  }
+
+  public Map<String, GroupDefinition> getGroups() {
+    return groups;
+  }
+
+  public void setGroups(Map<String, GroupDefinition> groups) {
+    this.groups = groups;
+  }
+
+  /**
+   * Add group.
+   *
+   * @param groupKey        the group key
+   * @param groupDefinition the group definition
+   */
+  public void addGroup(String groupKey, GroupDefinition groupDefinition) {
+    if (Objects.isNull(this.groups)) {
+      this.groups = new HashMap<>();
+    }
+    this.groups.put(groupKey, groupDefinition);
+  }
+
+  public Map<String, ParameterDefinition> getOutputs() {
+    return outputs;
+  }
+
+  public void setOutputs(Map<String, ParameterDefinition> outputs) {
+    this.outputs = outputs;
+  }
+
+  public SubstitutionMapping getSubstitution_mappings() {
+    return substitution_mappings;
+  }
+
+  public void setSubstitution_mappings(SubstitutionMapping substitutionMapping) {
+    this.substitution_mappings = substitutionMapping;
+  }
+
+  public Map<String, PolicyDefinition> getPolicies() {
+    return policies;
+  }
+
+  public void setPolicies(Map<String, PolicyDefinition> policies) {
+    this.policies = policies;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/heatextend/ParameterDefinitionExt.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/heatextend/ParameterDefinitionExt.java
new file mode 100644
index 0000000000..bde81108de
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/heatextend/ParameterDefinitionExt.java
@@ -0,0 +1,55 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model.heatextend;
+
+
+import org.openecomp.sdc.tosca.datatypes.model.ParameterDefinition;
+
+public class ParameterDefinitionExt extends ParameterDefinition {
+
+  String label;
+  Boolean hidden;
+  Boolean immutable;
+
+  public String getLabel() {
+    return label;
+  }
+
+  public void setLabel(String label) {
+    this.label = label;
+  }
+
+  public Boolean getHidden() {
+    return hidden;
+  }
+
+  public void setHidden(Boolean hidden) {
+    this.hidden = hidden;
+  }
+
+  public Boolean getImmutable() {
+    return immutable;
+  }
+
+  public void setImmutable(Boolean immutable) {
+    this.immutable = immutable;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/heatextend/PropertyTypeExt.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/heatextend/PropertyTypeExt.java
new file mode 100644
index 0000000000..f92d674070
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/datatypes/model/heatextend/PropertyTypeExt.java
@@ -0,0 +1,85 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.datatypes.model.heatextend;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * The enum Property type ext.
+ */
+public enum PropertyTypeExt {
+
+  /**
+   * Json property type ext.
+   */
+  JSON("json");
+
+  private static final Map<String, PropertyTypeExt> mMap =
+      Collections.unmodifiableMap(initializeMapping());
+  private String displayName;
+
+  PropertyTypeExt(String displayName) {
+
+    this.displayName = displayName;
+  }
+
+  /**
+   * Initialize mapping map.
+   *
+   * @return the map
+   */
+  public static Map<String, PropertyTypeExt> initializeMapping() {
+    Map<String, PropertyTypeExt> typeMap = new HashMap<String, PropertyTypeExt>();
+    for (PropertyTypeExt v : PropertyTypeExt.values()) {
+      typeMap.put(v.displayName, v);
+    }
+    return typeMap;
+  }
+
+  /**
+   * Gets property type by display name.
+   *
+   * @param displayName the display name
+   * @return the property type by display name
+   */
+  public static PropertyTypeExt getPropertyTypeByDisplayName(String displayName) {
+    if (mMap == null) {
+      initializeMapping();
+    }
+    if (mMap.containsKey(displayName)) {
+      return mMap.get(displayName);
+    }
+    return null;
+  }
+
+  /**
+   * Gets display name.
+   *
+   * @return the display name
+   */
+  public String getDisplayName() {
+    return displayName;
+  }
+
+
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/errors/InvalidAddActionNullEntityErrorBuilder.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/errors/InvalidAddActionNullEntityErrorBuilder.java
new file mode 100644
index 0000000000..02bee69251
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/errors/InvalidAddActionNullEntityErrorBuilder.java
@@ -0,0 +1,58 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.errors;
+
+import org.openecomp.sdc.common.errors.ErrorCategory;
+import org.openecomp.sdc.common.errors.ErrorCode;
+
+/**
+ * The type Invalid add action null entity error builder.
+ */
+public class InvalidAddActionNullEntityErrorBuilder {
+
+  private static final String INVALID_ACTION_NULL_ENTITY_ERR_MSG =
+      "Invalid action, can't add '%s' to '%s', '%s' entity is NULL.";
+
+  private final ErrorCode.ErrorCodeBuilder builder = new ErrorCode.ErrorCodeBuilder();
+
+  /**
+   * Instantiates a new Invalid add action null entity error builder.
+   *
+   * @param addedData     the added data
+   * @param updatedEntity the updated entity
+   */
+  public InvalidAddActionNullEntityErrorBuilder(String addedData, String updatedEntity) {
+    builder.withId(ToscaErrorCodes.TOSCA_INVALID_ADD_ACTION_NULL_ENTITY);
+    builder.withCategory(ErrorCategory.APPLICATION);
+    builder.withMessage(
+        String.format(INVALID_ACTION_NULL_ENTITY_ERR_MSG, addedData, updatedEntity, updatedEntity));
+  }
+
+  /**
+   * Build error code.
+   *
+   * @return the error code
+   */
+  public ErrorCode build() {
+    return builder.build();
+  }
+
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/errors/InvalidRequirementAssignmentErrorBuilder.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/errors/InvalidRequirementAssignmentErrorBuilder.java
new file mode 100644
index 0000000000..cc0b821748
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/errors/InvalidRequirementAssignmentErrorBuilder.java
@@ -0,0 +1,57 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.errors;
+
+import org.openecomp.sdc.common.errors.ErrorCategory;
+import org.openecomp.sdc.common.errors.ErrorCode;
+
+/**
+ * The type Invalid requirement assignment error builder.
+ */
+public class InvalidRequirementAssignmentErrorBuilder {
+
+  private static final String INVALID_REQ_ASSIGNMENT_ERR_ID = "INVALID_REQ_ASSIGNMENT_ERR_ID";
+  private static final String INVALID_REQ_ASSIGNMENT_ERR_MSG =
+      "Invalid Requirement Assignment, Node value is NULL, Requirement ID '%s'.";
+
+  private final ErrorCode.ErrorCodeBuilder builder = new ErrorCode.ErrorCodeBuilder();
+
+  /**
+   * Instantiates a new Invalid requirement assignment error builder.
+   *
+   * @param requirementId the requirement id
+   */
+  public InvalidRequirementAssignmentErrorBuilder(String requirementId) {
+    builder.withId(INVALID_REQ_ASSIGNMENT_ERR_ID);
+    builder.withCategory(ErrorCategory.APPLICATION);
+    builder.withMessage(String.format(INVALID_REQ_ASSIGNMENT_ERR_MSG, requirementId));
+  }
+
+  /**
+   * Build error code.
+   *
+   * @return the error code
+   */
+  public ErrorCode build() {
+    return builder.build();
+  }
+
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/errors/ToscaErrorCodes.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/errors/ToscaErrorCodes.java
new file mode 100644
index 0000000000..099f0771f2
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/errors/ToscaErrorCodes.java
@@ -0,0 +1,36 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.errors;
+
+public class ToscaErrorCodes {
+
+  static final String INVALID_SUBSTITUTE_NODE_TEMPLATE = "INVALID_SUBSTITUTE_NODE_TEMPLATE";
+  static final String INVALID_SUBSTITUTION_SERVICE_TEMPLATE =
+      "INVALID_SUBSTITUTION_SERVICE_TEMPLATE";
+  static final String TOSCA_ENTRY_NOT_FOUND = "TOSCA_ENTRY_NOT_FOUND";
+  static final String MISSING_SUBSTITUTION_MAPPING_FOR_REQ_CAP =
+      "MISSING_SUBSTITUTION_MAPPING_FOR_REQ_CAP";
+  static final String TOSCA_INVALID_SUBSTITUTE_NODE_TEMPLATE =
+      "TOSCA_INVALID_SUBSTITUTE_NODE_TEMPLATE";
+  static final String TOSCA_INVALID_ADD_ACTION_NULL_ENTITY = "TOSCA_INVALID_ADD_ACTION_NULL_ENTITY";
+
+
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/errors/ToscaInvalidEntryNotFoundErrorBuilder.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/errors/ToscaInvalidEntryNotFoundErrorBuilder.java
new file mode 100644
index 0000000000..7e05d18755
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/errors/ToscaInvalidEntryNotFoundErrorBuilder.java
@@ -0,0 +1,55 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.errors;
+
+import org.openecomp.sdc.common.errors.ErrorCategory;
+import org.openecomp.sdc.common.errors.ErrorCode;
+
+/**
+ * The type Tosca invalid entry not found error builder.
+ */
+public class ToscaInvalidEntryNotFoundErrorBuilder {
+  //
+  private static final String ENTRY_NOT_FOUND_MSG =
+      "Invalid Tosca model data, missing '%s' entry for '%s' id %s";
+  private final ErrorCode.ErrorCodeBuilder builder = new ErrorCode.ErrorCodeBuilder();
+
+  /**
+   * Instantiates a new Tosca invalid entry not found error builder.
+   *
+   * @param entryName the entry name
+   * @param entryId   the entry id
+   */
+  public ToscaInvalidEntryNotFoundErrorBuilder(String entryName, String entryId) {
+    builder.withId(ToscaErrorCodes.TOSCA_ENTRY_NOT_FOUND);
+    builder.withCategory(ErrorCategory.APPLICATION);
+    builder.withMessage(String.format(ENTRY_NOT_FOUND_MSG, entryName, entryName, entryId));
+  }
+
+  /**
+   * Build error code.
+   *
+   * @return the error code
+   */
+  public ErrorCode build() {
+    return builder.build();
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/errors/ToscaInvalidSubstituteNodeTemplateErrorBuilder.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/errors/ToscaInvalidSubstituteNodeTemplateErrorBuilder.java
new file mode 100644
index 0000000000..5913e5ffba
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/errors/ToscaInvalidSubstituteNodeTemplateErrorBuilder.java
@@ -0,0 +1,55 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.errors;
+
+import org.openecomp.sdc.common.errors.ErrorCategory;
+import org.openecomp.sdc.common.errors.ErrorCode;
+
+
+/**
+ * The type Tosca invalid substitute node template error builder.
+ */
+public class ToscaInvalidSubstituteNodeTemplateErrorBuilder {
+  private static final String INVALID_SUBSTITUTE_NODE_TEMPLATE_MSG =
+      "Invalid substitute node template, directives with substitutable value must be defined. "
+          + "node template id %s";
+  private final ErrorCode.ErrorCodeBuilder builder = new ErrorCode.ErrorCodeBuilder();
+
+  /**
+   * Instantiates a new Tosca invalid substitute node template error builder.
+   *
+   * @param nodeTemplateId the node template id
+   */
+  public ToscaInvalidSubstituteNodeTemplateErrorBuilder(String nodeTemplateId) {
+    builder.withId(ToscaErrorCodes.TOSCA_INVALID_SUBSTITUTE_NODE_TEMPLATE);
+    builder.withCategory(ErrorCategory.APPLICATION);
+    builder.withMessage(String.format(INVALID_SUBSTITUTE_NODE_TEMPLATE_MSG, nodeTemplateId));
+  }
+
+  /**
+   * Build error code.
+   *
+   * @return the error code
+   */
+  public ErrorCode build() {
+    return builder.build();
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/errors/ToscaInvalidSubstituteNodeTemplatePropertiesErrorBuilder.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/errors/ToscaInvalidSubstituteNodeTemplatePropertiesErrorBuilder.java
new file mode 100644
index 0000000000..90c681efc9
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/errors/ToscaInvalidSubstituteNodeTemplatePropertiesErrorBuilder.java
@@ -0,0 +1,59 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.errors;
+
+import org.openecomp.sdc.common.errors.ErrorCategory;
+import org.openecomp.sdc.common.errors.ErrorCode;
+import org.openecomp.sdc.tosca.services.ToscaConstants;
+
+
+/**
+ * The type Tosca invalid substitute node template properties error builder.
+ */
+public class ToscaInvalidSubstituteNodeTemplatePropertiesErrorBuilder {
+
+  private static final String INVALID_SUBSTITUTE_NODE_TEMPLATE_MSG =
+      "Invalid Substitute Node Template %s, mandatory map property %s with mandatory "
+          + "key %s must be defined.";
+  private final ErrorCode.ErrorCodeBuilder builder = new ErrorCode.ErrorCodeBuilder();
+
+  /**
+   * Instantiates a new Tosca invalid substitute node template properties error builder.
+   *
+   * @param nodeTemplateId the node template id
+   */
+  public ToscaInvalidSubstituteNodeTemplatePropertiesErrorBuilder(String nodeTemplateId) {
+    builder.withId(ToscaErrorCodes.INVALID_SUBSTITUTE_NODE_TEMPLATE);
+    builder.withCategory(ErrorCategory.APPLICATION);
+    builder.withMessage(String.format(INVALID_SUBSTITUTE_NODE_TEMPLATE_MSG, nodeTemplateId,
+        ToscaConstants.SERVICE_TEMPLATE_FILTER_PROPERTY_NAME,
+        ToscaConstants.SUBSTITUTE_SERVICE_TEMPLATE_PROPERTY_NAME));
+  }
+
+  /**
+   * Build error code.
+   *
+   * @return the error code
+   */
+  public ErrorCode build() {
+    return builder.build();
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/errors/ToscaInvalidSubstitutionServiceTemplateErrorBuilder.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/errors/ToscaInvalidSubstitutionServiceTemplateErrorBuilder.java
new file mode 100644
index 0000000000..c240992597
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/errors/ToscaInvalidSubstitutionServiceTemplateErrorBuilder.java
@@ -0,0 +1,57 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.errors;
+
+import org.openecomp.sdc.common.errors.ErrorCategory;
+import org.openecomp.sdc.common.errors.ErrorCode;
+
+
+/**
+ * The type Tosca invalid substitution service template error builder.
+ */
+public class ToscaInvalidSubstitutionServiceTemplateErrorBuilder {
+
+  private static final String INVALID_SUBSTITUTION_SERVICE_TEMPLATE_MSG =
+      "Invalid Substitution Service Template %s, missing mandatory file 'Node type' "
+          + "in substitution mapping.";
+  private final ErrorCode.ErrorCodeBuilder builder = new ErrorCode.ErrorCodeBuilder();
+
+  /**
+   * Instantiates a new Tosca invalid substitution service template error builder.
+   *
+   * @param serviceTemplateFileName the service template file name
+   */
+  public ToscaInvalidSubstitutionServiceTemplateErrorBuilder(String serviceTemplateFileName) {
+    builder.withId(ToscaErrorCodes.INVALID_SUBSTITUTION_SERVICE_TEMPLATE);
+    builder.withCategory(ErrorCategory.APPLICATION);
+    builder.withMessage(
+        String.format(INVALID_SUBSTITUTION_SERVICE_TEMPLATE_MSG, serviceTemplateFileName));
+  }
+
+  /**
+   * Build error code.
+   *
+   * @return the error code
+   */
+  public ErrorCode build() {
+    return builder.build();
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/errors/ToscaMissingSubstitutionMappingForReqCapErrorBuilder.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/errors/ToscaMissingSubstitutionMappingForReqCapErrorBuilder.java
new file mode 100644
index 0000000000..74392cdcdb
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/errors/ToscaMissingSubstitutionMappingForReqCapErrorBuilder.java
@@ -0,0 +1,88 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.errors;
+
+import org.openecomp.sdc.common.errors.ErrorCategory;
+import org.openecomp.sdc.common.errors.ErrorCode;
+
+/**
+ * The type Tosca missing substitution mapping for req cap error builder.
+ */
+public class ToscaMissingSubstitutionMappingForReqCapErrorBuilder {
+
+  private static final String MISSING_SUBSTITUTION_MAPPING_FOR_REQ_CAP_MSG =
+      "Invalid Substitution, Missing Substitution Mapping for %s with Id %s.";
+  private final ErrorCode.ErrorCodeBuilder builder = new ErrorCode.ErrorCodeBuilder();
+
+  /**
+   * Instantiates a new Tosca missing substitution mapping for req cap error builder.
+   *
+   * @param exposedEntry the exposed entry
+   * @param id           the id
+   */
+  public ToscaMissingSubstitutionMappingForReqCapErrorBuilder(MappingExposedEntry exposedEntry,
+                                                              String id) {
+    builder.withId(ToscaErrorCodes.MISSING_SUBSTITUTION_MAPPING_FOR_REQ_CAP);
+    builder.withCategory(ErrorCategory.APPLICATION);
+    builder.withMessage(String
+        .format(MISSING_SUBSTITUTION_MAPPING_FOR_REQ_CAP_MSG, exposedEntry.getDisplayName(), id));
+  }
+
+  /**
+   * Build error code.
+   *
+   * @return the error code
+   */
+  public ErrorCode build() {
+    return builder.build();
+  }
+
+  /**
+   * The enum Mapping exposed entry.
+   */
+  public enum MappingExposedEntry {
+
+    /**
+     * Capability mapping exposed entry.
+     */
+    CAPABILITY("Capability"),
+    /**
+     * Requirement mapping exposed entry.
+     */
+    REQUIREMENT("Requirement"),;
+
+    private String displayName;
+
+    MappingExposedEntry(String displayName) {
+      this.displayName = displayName;
+    }
+
+    /**
+     * Gets display name.
+     *
+     * @return the display name
+     */
+    public String getDisplayName() {
+      return displayName;
+    }
+
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/errors/ToscaNodeTypeNotFoundErrorBuilder.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/errors/ToscaNodeTypeNotFoundErrorBuilder.java
new file mode 100644
index 0000000000..3d51970d50
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/errors/ToscaNodeTypeNotFoundErrorBuilder.java
@@ -0,0 +1,46 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.errors;
+
+import org.openecomp.sdc.common.errors.ErrorCategory;
+import org.openecomp.sdc.common.errors.ErrorCode;
+
+public class ToscaNodeTypeNotFoundErrorBuilder {
+  private static final String ENTRY_NOT_FOUND_MSG =
+      "NodeType '%s' or one of its derivedFrom node type hierarchy, "
+          + "is not defined in tosca service model";
+  private final ErrorCode.ErrorCodeBuilder builder = new ErrorCode.ErrorCodeBuilder();
+
+  /**
+   * Instantiates a new Tosca node type not found error builder.
+   *
+   * @param nodeType the node type
+   */
+  public ToscaNodeTypeNotFoundErrorBuilder(String nodeType) {
+    builder.withId(ToscaErrorCodes.TOSCA_ENTRY_NOT_FOUND);
+    builder.withCategory(ErrorCategory.APPLICATION);
+    builder.withMessage(String.format(ENTRY_NOT_FOUND_MSG, nodeType));
+  }
+
+  public ErrorCode build() {
+    return builder.build();
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/exceptions/CsarCreationErrorBuilder.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/exceptions/CsarCreationErrorBuilder.java
new file mode 100644
index 0000000000..c7b9bc2da4
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/exceptions/CsarCreationErrorBuilder.java
@@ -0,0 +1,43 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.exceptions;
+
+import org.openecomp.sdc.common.errors.BaseErrorBuilder;
+import org.openecomp.sdc.common.errors.ErrorCategory;
+
+/**
+ * The type Csar creation error builder.
+ */
+public class CsarCreationErrorBuilder extends BaseErrorBuilder {
+
+  private static final String MANDATORY_PROPERTY_IS_MISSING_MSG =
+      "Failed to create CSAR file from ToscaServiceModel";
+  private static final String ZIP_FILE_CREATION = "ZIP_FILE_CREATION";
+
+  /**
+   * Instantiates a new Csar creation error builder.
+   */
+  public CsarCreationErrorBuilder() {
+    getErrorCodeBuilder().withId(ZIP_FILE_CREATION);
+    getErrorCodeBuilder().withCategory(ErrorCategory.APPLICATION);
+    getErrorCodeBuilder().withMessage(MANDATORY_PROPERTY_IS_MISSING_MSG);
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/exceptions/CsarMissingEntryPointErrorBuilder.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/exceptions/CsarMissingEntryPointErrorBuilder.java
new file mode 100644
index 0000000000..9b9257ad33
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/exceptions/CsarMissingEntryPointErrorBuilder.java
@@ -0,0 +1,44 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.exceptions;
+
+import org.openecomp.sdc.common.errors.BaseErrorBuilder;
+import org.openecomp.sdc.common.errors.ErrorCategory;
+
+/**
+ * The type Csar missing entry point error builder.
+ */
+public class CsarMissingEntryPointErrorBuilder extends BaseErrorBuilder {
+
+  private static final String MANDATORY_PROPERTY_IS_MISSING_MSG =
+      "Failed to create CSAR file from ToscaServiceModel,missing mandatory "
+          + "EntryDefinitionServiceTemplate ";
+  private static final String ZIP_FILE_CREATION = "ZIP_FILE_CREATION__MISSING_ENTRY_DEFINITION";
+
+  /**
+   * Instantiates a new Csar missing entry point error builder.
+   */
+  public CsarMissingEntryPointErrorBuilder() {
+    getErrorCodeBuilder().withId(ZIP_FILE_CREATION);
+    getErrorCodeBuilder().withCategory(ErrorCategory.APPLICATION);
+    getErrorCodeBuilder().withMessage(MANDATORY_PROPERTY_IS_MISSING_MSG);
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/DataModelUtil.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/DataModelUtil.java
new file mode 100644
index 0000000000..d0d7ccf621
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/DataModelUtil.java
@@ -0,0 +1,588 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.services;
+
+import org.openecomp.sdc.common.errors.CoreException;
+import org.openecomp.sdc.tosca.datatypes.ToscaFunctions;
+import org.openecomp.sdc.tosca.datatypes.model.AttributeDefinition;
+import org.openecomp.sdc.tosca.datatypes.model.Constraint;
+import org.openecomp.sdc.tosca.datatypes.model.EntrySchema;
+import org.openecomp.sdc.tosca.datatypes.model.GroupDefinition;
+import org.openecomp.sdc.tosca.datatypes.model.Metadata;
+import org.openecomp.sdc.tosca.datatypes.model.NodeTemplate;
+import org.openecomp.sdc.tosca.datatypes.model.NodeType;
+import org.openecomp.sdc.tosca.datatypes.model.PolicyDefinition;
+import org.openecomp.sdc.tosca.datatypes.model.PropertyDefinition;
+import org.openecomp.sdc.tosca.datatypes.model.RelationshipTemplate;
+import org.openecomp.sdc.tosca.datatypes.model.RequirementAssignment;
+import org.openecomp.sdc.tosca.datatypes.model.RequirementDefinition;
+import org.openecomp.sdc.tosca.datatypes.model.ServiceTemplate;
+import org.openecomp.sdc.tosca.datatypes.model.Status;
+import org.openecomp.sdc.tosca.datatypes.model.SubstitutionMapping;
+import org.openecomp.sdc.tosca.datatypes.model.TopologyTemplate;
+import org.openecomp.sdc.tosca.datatypes.model.heatextend.ParameterDefinitionExt;
+import org.openecomp.sdc.tosca.errors.InvalidAddActionNullEntityErrorBuilder;
+import org.openecomp.sdc.tosca.errors.InvalidRequirementAssignmentErrorBuilder;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.stream.Collectors;
+
+/**
+ * The type Data model util.
+ */
+public class DataModelUtil {
+
+  /**
+   * Add substitution mapping.
+   *
+   * @param serviceTemplate     the service template
+   * @param substitutionMapping the substitution mapping
+   */
+  public static void addSubstitutionMapping(ServiceTemplate serviceTemplate,
+                                            SubstitutionMapping substitutionMapping) {
+    if (serviceTemplate == null) {
+      throw new CoreException(
+          new InvalidAddActionNullEntityErrorBuilder("Substitution Mapping", "Service Template")
+              .build());
+    }
+
+    if (serviceTemplate.getTopology_template() == null) {
+      serviceTemplate.setTopology_template(new TopologyTemplate());
+    }
+    serviceTemplate.getTopology_template().setSubstitution_mappings(substitutionMapping);
+  }
+
+  /**
+   * Add substitution mapping req.
+   *
+   * @param serviceTemplate                    the service template
+   * @param substitutionMappingRequirementId   the substitution mapping requirement id
+   * @param substitutionMappingRequirementList the substitution mapping requirement list
+   */
+  public static void addSubstitutionMappingReq(ServiceTemplate serviceTemplate,
+                                               String substitutionMappingRequirementId,
+                                               List<String> substitutionMappingRequirementList) {
+    if (serviceTemplate == null) {
+      throw new CoreException(
+          new InvalidAddActionNullEntityErrorBuilder("Substitution Mapping Requirements",
+              "Service Template").build());
+    }
+
+    if (serviceTemplate.getTopology_template() == null) {
+      serviceTemplate.setTopology_template(new TopologyTemplate());
+    }
+    if (serviceTemplate.getTopology_template().getSubstitution_mappings() == null) {
+      serviceTemplate.getTopology_template().setSubstitution_mappings(new SubstitutionMapping());
+    }
+    if (serviceTemplate.getTopology_template().getSubstitution_mappings().getRequirements()
+        == null) {
+      serviceTemplate.getTopology_template().getSubstitution_mappings()
+          .setRequirements(new HashMap<>());
+    }
+
+    serviceTemplate.getTopology_template().getSubstitution_mappings().getRequirements()
+        .put(substitutionMappingRequirementId, substitutionMappingRequirementList);
+  }
+
+  /**
+   * Add node template.
+   *
+   * @param serviceTemplate the service template
+   * @param nodeTemplateId  the node template id
+   * @param nodeTemplate    the node template
+   */
+  public static void addNodeTemplate(ServiceTemplate serviceTemplate, String nodeTemplateId,
+                                     NodeTemplate nodeTemplate) {
+    if (serviceTemplate == null) {
+      throw new CoreException(
+          new InvalidAddActionNullEntityErrorBuilder("Node Template", "Service Template").build());
+    }
+    TopologyTemplate topologyTemplate = serviceTemplate.getTopology_template();
+    if (Objects.isNull(topologyTemplate)) {
+      topologyTemplate = new TopologyTemplate();
+      serviceTemplate.setTopology_template(topologyTemplate);
+    }
+    if (topologyTemplate.getNode_templates() == null) {
+      topologyTemplate.setNode_templates(new HashMap<>());
+    }
+    topologyTemplate.getNode_templates().put(nodeTemplateId, nodeTemplate);
+  }
+
+  /**
+   * Add policy definition.
+   *
+   * @param serviceTemplate  the service template
+   * @param policyId         the policy id
+   * @param policyDefinition the policy definition
+   */
+  public static void addPolicyDefinition(ServiceTemplate serviceTemplate, String policyId,
+                                         PolicyDefinition policyDefinition) {
+    if (serviceTemplate == null) {
+      throw new CoreException(
+          new InvalidAddActionNullEntityErrorBuilder("Policy Definition", "Service Template")
+              .build());
+    }
+    TopologyTemplate topologyTemplate = serviceTemplate.getTopology_template();
+    if (Objects.isNull(topologyTemplate)) {
+      topologyTemplate = new TopologyTemplate();
+      serviceTemplate.setTopology_template(topologyTemplate);
+    }
+    if (topologyTemplate.getPolicies() == null) {
+      topologyTemplate.setPolicies(new HashMap<>());
+    }
+    topologyTemplate.getPolicies().put(policyId, policyDefinition);
+  }
+
+  /**
+   * Add node type.
+   *
+   * @param serviceTemplate the service template
+   * @param nodeTypeId      the node type id
+   * @param nodeType        the node type
+   */
+  public static void addNodeType(ServiceTemplate serviceTemplate, String nodeTypeId,
+                                 NodeType nodeType) {
+    if (serviceTemplate == null) {
+      throw new CoreException(
+          new InvalidAddActionNullEntityErrorBuilder("Node Type", "Service Template").build());
+    }
+    if (serviceTemplate.getNode_types() == null) {
+      serviceTemplate.setNode_types(new HashMap<>());
+    }
+    serviceTemplate.getNode_types().put(nodeTypeId, nodeType);
+  }
+
+  /**
+   * Add relationship template.
+   *
+   * @param serviceTemplate        the service template
+   * @param relationshipTemplateId the relationship template id
+   * @param relationshipTemplate   the relationship template
+   */
+  public static void addRelationshipTemplate(ServiceTemplate serviceTemplate,
+                                             String relationshipTemplateId,
+                                             RelationshipTemplate relationshipTemplate) {
+    if (serviceTemplate == null) {
+      throw new CoreException(
+          new InvalidAddActionNullEntityErrorBuilder("Relationship Template", "Service Template")
+              .build());
+    }
+    if (serviceTemplate.getTopology_template() == null) {
+      serviceTemplate.setTopology_template(new TopologyTemplate());
+    }
+    if (serviceTemplate.getTopology_template().getRelationship_templates() == null) {
+      serviceTemplate.getTopology_template().setRelationship_templates(new HashMap<>());
+    }
+    serviceTemplate.getTopology_template().getRelationship_templates()
+        .put(relationshipTemplateId, relationshipTemplate);
+  }
+
+  /**
+   * Add requirement assignment.
+   *
+   * @param nodeTemplate          the node template
+   * @param requirementId         the requirement id
+   * @param requirementAssignment the requirement assignment
+   */
+  public static void addRequirementAssignment(NodeTemplate nodeTemplate, String requirementId,
+                                              RequirementAssignment requirementAssignment) {
+    if (nodeTemplate == null) {
+      throw new CoreException(
+          new InvalidAddActionNullEntityErrorBuilder("Requirement Assignment", "Node Template")
+              .build());
+    }
+    if (requirementAssignment.getNode() == null) {
+      throw new CoreException(new InvalidRequirementAssignmentErrorBuilder(requirementId).build());
+    }
+
+    if (nodeTemplate.getRequirements() == null) {
+      nodeTemplate.setRequirements(new ArrayList<>());
+    }
+    Map<String, RequirementAssignment> requirement = new HashMap<>();
+    requirement.put(requirementId, requirementAssignment);
+    nodeTemplate.getRequirements().add(requirement);
+  }
+
+  /**
+   * Gets node template.
+   *
+   * @param serviceTemplate the service template
+   * @param nodeTemplateId  the node template id
+   * @return the node template
+   */
+  public static NodeTemplate getNodeTemplate(ServiceTemplate serviceTemplate,
+                                             String nodeTemplateId) {
+    if (serviceTemplate == null
+        || serviceTemplate.getTopology_template() == null
+        || serviceTemplate.getTopology_template().getNode_templates() == null) {
+      return null;
+    }
+    return serviceTemplate.getTopology_template().getNode_templates().get(nodeTemplateId);
+  }
+
+  /**
+   * Gets node type.
+   *
+   * @param serviceTemplate the service template
+   * @param nodeTypeId      the node type id
+   * @return the node type
+   */
+  public static NodeType getNodeType(ServiceTemplate serviceTemplate, String nodeTypeId) {
+    if (serviceTemplate == null || serviceTemplate.getNode_types() == null) {
+      return null;
+    }
+    return serviceTemplate.getNode_types().get(nodeTypeId);
+  }
+
+  /**
+   * Add group definition to topology template.
+   *
+   * @param serviceTemplate the service template
+   * @param groupName       the group name
+   * @param group           the group
+   */
+  public static void addGroupDefinitionToTopologyTemplate(ServiceTemplate serviceTemplate,
+                                                          String groupName, GroupDefinition group) {
+    if (serviceTemplate == null) {
+      throw new CoreException(
+          new InvalidAddActionNullEntityErrorBuilder("Group Definition", "Service Template")
+              .build());
+    }
+
+    TopologyTemplate topologyTemplate = serviceTemplate.getTopology_template();
+    if (Objects.isNull(topologyTemplate)) {
+      topologyTemplate = new TopologyTemplate();
+      serviceTemplate.setTopology_template(topologyTemplate);
+    }
+    if (topologyTemplate.getGroups() == null) {
+      topologyTemplate.setGroups(new HashMap<>());
+    }
+    if (serviceTemplate.getTopology_template().getGroups() == null) {
+      Map<String, GroupDefinition> groups = new HashMap<>();
+      serviceTemplate.getTopology_template().setGroups(groups);
+    }
+    serviceTemplate.getTopology_template().getGroups().put(groupName, group);
+  }
+
+  /**
+   * Create property definition property definition.
+   *
+   * @param type        the type
+   * @param description the description
+   * @param required    the required
+   * @param constraints the constraints
+   * @param status      the status
+   * @param entrySchema the entry schema
+   * @param defaultVal  the default val
+   * @return the property definition
+   */
+  public static PropertyDefinition createPropertyDefinition(String type, String description,
+                                                            boolean required,
+                                                            List<Constraint> constraints,
+                                                            Status status,
+                                                            EntrySchema entrySchema,
+                                                            Object defaultVal) {
+    PropertyDefinition propDef = new PropertyDefinition();
+    propDef.setType(type);
+    propDef.setDescription(description);
+    propDef.setRequired(required);
+    propDef.setConstraints(constraints);
+    if (status != null) {
+      propDef.setStatus(status);
+    }
+    propDef.setEntry_schema(entrySchema);
+    propDef.set_default(defaultVal);
+
+    return propDef;
+  }
+
+  /**
+   * Create requirement requirement definition.
+   *
+   * @param capability   the capability
+   * @param node         the node
+   * @param relationship the relationship
+   * @param occurrences  the occurrences
+   * @return the requirement definition
+   */
+  public static RequirementDefinition createRequirement(String capability, String node,
+                                                        String relationship, Object[] occurrences) {
+    RequirementDefinition requirementDefinition = new RequirementDefinition();
+    requirementDefinition.setCapability(capability);
+    requirementDefinition.setNode(node);
+    requirementDefinition.setRelationship(relationship);
+    if (occurrences != null) {
+      requirementDefinition.setOccurrences(occurrences);
+    }
+    return requirementDefinition;
+  }
+
+  /**
+   * Create attribute definition attribute definition.
+   *
+   * @param type        the type
+   * @param description the description
+   * @param status      the status
+   * @param entrySchema the entry schema
+   * @param defaultVal  the default val
+   * @return the attribute definition
+   */
+  public static AttributeDefinition createAttributeDefinition(String type, String description,
+                                                              Status status,
+                                                              EntrySchema entrySchema,
+                                                              Object defaultVal) {
+    AttributeDefinition attributeDef = new AttributeDefinition();
+    attributeDef.setType(type);
+
+    if (description != null) {
+      attributeDef.setDescription(description);
+    }
+    if (status != null) {
+      attributeDef.setStatus(status);
+    }
+    attributeDef.setEntry_schema(entrySchema);
+    attributeDef.set_default(defaultVal);
+
+    return attributeDef;
+  }
+
+  /**
+   * Create valid values constraint constraint.
+   *
+   * @param values the values
+   * @return the constraint
+   */
+  public static Constraint createValidValuesConstraint(Object... values) {
+    Constraint validValues = new Constraint();
+    for (Object value : values) {
+      validValues.addValidValue(value);
+    }
+    return validValues;
+  }
+
+  /**
+   * Create metadata metadata.
+   *
+   * @param templateName    the template name
+   * @param templateVersion the template version
+   * @param templateAuthor  the template author
+   * @return the metadata
+   */
+  public static Metadata createMetadata(String templateName, String templateVersion,
+                                        String templateAuthor) {
+    Metadata metadata = new Metadata();
+    metadata.setTemplate_name(templateName);
+    metadata.setTemplate_version(templateVersion);
+    metadata.setTemplate_author(templateAuthor);
+
+    return metadata;
+  }
+
+  /**
+   * Create entry schema entry schema.
+   *
+   * @param type        the type
+   * @param description the description
+   * @param constraints the constraints
+   * @return the entry schema
+   */
+  public static EntrySchema createEntrySchema(String type, String description,
+                                              List<Constraint> constraints) {
+    EntrySchema entrySchema = new EntrySchema();
+    entrySchema.setType(type);
+    entrySchema.setDescription(description);
+    entrySchema.setConstraints(constraints);
+    return entrySchema;
+  }
+
+  /**
+   * Create valid values constraints list list.
+   *
+   * @param values the values
+   * @return the list
+   */
+  public static List<Constraint> createValidValuesConstraintsList(String... values) {
+    List<Constraint> constraints;
+    Constraint validValues;
+    constraints = new ArrayList<>();
+    validValues = DataModelUtil.createValidValuesConstraint(values);
+    constraints.add(validValues);
+    return constraints;
+  }
+
+  /**
+   * Create greater or equal constrain constraint.
+   *
+   * @param value the value
+   * @return the constraint
+   */
+  public static Constraint createGreaterOrEqualConstrain(Object value) {
+
+    Constraint constraint = new Constraint();
+    constraint.setGreater_or_equal(value);
+    return constraint;
+  }
+
+  /**
+   * Gets constrain list.
+   *
+   * @param constrains the constrains
+   * @return the constrain list
+   */
+  public static List<Constraint> getConstrainList(Constraint... constrains) {
+    return Arrays.asList(constrains);
+
+  }
+
+  /**
+   * Create get input property value from list parameter map.
+   *
+   * @param inputPropertyListName the input property list name
+   * @param indexInTheList        the index in the list
+   * @param nestedPropertyName    the nested property name
+   * @return the map
+   */
+  public static Map createGetInputPropertyValueFromListParameter(String inputPropertyListName,
+                                                                 int indexInTheList,
+                                                                 String... nestedPropertyName) {
+    List propertyList = new ArrayList<>();
+    propertyList.add(inputPropertyListName);
+    propertyList.add(indexInTheList);
+    if (nestedPropertyName != null) {
+      Collections.addAll(propertyList, nestedPropertyName);
+    }
+    Map getInputProperty = new HashMap<>();
+    getInputProperty.put(ToscaFunctions.GET_INPUT.getDisplayName(), propertyList);
+    return getInputProperty;
+  }
+
+  /**
+   * Convert property def to parameter def parameter definition ext.
+   *
+   * @param propertyDefinition the property definition
+   * @return the parameter definition ext
+   */
+  public static ParameterDefinitionExt convertPropertyDefToParameterDef(
+      PropertyDefinition propertyDefinition) {
+    if (propertyDefinition == null) {
+      return null;
+    }
+
+    ParameterDefinitionExt parameterDefinition = new ParameterDefinitionExt();
+    parameterDefinition.setType(propertyDefinition.getType());
+    parameterDefinition.setDescription(propertyDefinition.getDescription());
+    parameterDefinition.setRequired(propertyDefinition.getRequired());
+    parameterDefinition.set_default(propertyDefinition.get_default());
+    parameterDefinition.setStatus(propertyDefinition.getStatus());
+    parameterDefinition.setConstraints(propertyDefinition.getConstraints());
+    parameterDefinition.setEntry_schema(propertyDefinition.getEntry_schema());
+    parameterDefinition.setHidden(false);
+    parameterDefinition.setImmutable(false);
+
+    return parameterDefinition;
+  }
+
+  /**
+   * Convert attribute def to parameter def parameter definition ext.
+   *
+   * @param attributeDefinition the attribute definition
+   * @param outputValue         the output value
+   * @return the parameter definition ext
+   */
+  public static ParameterDefinitionExt convertAttributeDefToParameterDef(
+      AttributeDefinition attributeDefinition, Map<String, List> outputValue) {
+    if (attributeDefinition == null) {
+      return null;
+    }
+    ParameterDefinitionExt parameterDefinition = new ParameterDefinitionExt();
+    parameterDefinition.setDescription(attributeDefinition.getDescription());
+    parameterDefinition.setValue(outputValue);
+    return parameterDefinition;
+  }
+
+  /**
+   * Clone constraints list.
+   *
+   * @param constraints the constraints
+   * @return the list
+   */
+  public static List<Constraint> cloneConstraints(List<Constraint> constraints) {
+    if (constraints == null) {
+      return null;
+    }
+    return constraints.stream().map(Constraint::clone).collect(Collectors.toList());
+  }
+
+  /**
+   * Clone valid source types list.
+   *
+   * @param validSourceTypes the valid source types
+   * @return the list
+   */
+  public static List<String> cloneValidSourceTypes(List<String> validSourceTypes) {
+    if (validSourceTypes == null) {
+      return null;
+    }
+    return validSourceTypes.stream().collect(Collectors.toList());
+  }
+
+  /**
+   * Clone property definitions map.
+   *
+   * @param propertyDefinitions the property definitions
+   * @return the map
+   */
+  public static Map<String, PropertyDefinition> clonePropertyDefinitions(
+      Map<String, PropertyDefinition> propertyDefinitions) {
+    if (propertyDefinitions == null) {
+      return null;
+    }
+    Map<String, PropertyDefinition> clonedProperties = new HashMap<>();
+    for (String propertyKey : propertyDefinitions.keySet()) {
+      clonedProperties.put(propertyKey, propertyDefinitions.get(propertyKey).clone());
+    }
+    return clonedProperties;
+  }
+
+  /**
+   * Clone attribute definitions map.
+   *
+   * @param attributeDefinitions the attribute definitions
+   * @return the map
+   */
+  public static Map<String, AttributeDefinition> cloneAttributeDefinitions(
+      Map<String, AttributeDefinition> attributeDefinitions) {
+    if (attributeDefinitions == null) {
+      return null;
+    }
+    Map<String, AttributeDefinition> clonedAttributeDefinitions = new HashMap<>();
+    for (String attributeKey : attributeDefinitions.keySet()) {
+      clonedAttributeDefinitions.put(attributeKey, attributeDefinitions.get(attributeKey).clone());
+    }
+    return clonedAttributeDefinitions;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/ToscaAnalyzerService.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/ToscaAnalyzerService.java
new file mode 100644
index 0000000000..271c471922
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/ToscaAnalyzerService.java
@@ -0,0 +1,66 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.services;
+
+import org.openecomp.sdc.tosca.datatypes.ToscaElementTypes;
+import org.openecomp.sdc.tosca.datatypes.ToscaServiceModel;
+import org.openecomp.sdc.tosca.datatypes.model.NodeTemplate;
+import org.openecomp.sdc.tosca.datatypes.model.RequirementAssignment;
+import org.openecomp.sdc.tosca.datatypes.model.ServiceTemplate;
+
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+
+public interface ToscaAnalyzerService {
+
+  /*
+      node template with type equal to node type or derived from node type
+       */
+  Map<String, NodeTemplate> getNodeTemplatesByType(ServiceTemplate serviceTemplate, String nodeType,
+                                                   ToscaServiceModel toscaServiceModel);
+
+  boolean isTypeOf(NodeTemplate nodeTemplate, String nodeType, ServiceTemplate serviceTemplate,
+                   ToscaServiceModel toscaServiceModel);
+
+  List<RequirementAssignment> getRequirements(NodeTemplate nodeTemplate, String requirementId);
+
+  Optional<NodeTemplate> getNodeTemplateById(ServiceTemplate serviceTemplate,
+                                             String nodeTemplateId);
+
+  Optional<String> getSubstituteServiceTemplateName(String substituteNodeTemplateId,
+                                                    NodeTemplate substitutableNodeTemplate);
+
+  Map<String, NodeTemplate> getSubstitutableNodeTemplates(ServiceTemplate serviceTemplate);
+
+  Optional<Map.Entry<String, NodeTemplate>> getSubstitutionMappedNodeTemplateByExposedReq(
+      String substituteServiceTemplateFileName, ServiceTemplate substituteServiceTemplate,
+      String requirementId);
+
+  /*
+      match only for the input which is not null
+       */
+  boolean isDesiredRequirementAssignment(RequirementAssignment requirementAssignment,
+                                         String capability, String node, String relationship);
+
+  Object getFlatEntity(ToscaElementTypes elementType, String type, ServiceTemplate serviceTemplate,
+                       ToscaServiceModel toscaModel);
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/ToscaConstants.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/ToscaConstants.java
new file mode 100644
index 0000000000..27cf07e166
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/ToscaConstants.java
@@ -0,0 +1,65 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.services;
+
+
+public class ToscaConstants {
+
+  //TOSCA Node Types prefix
+  public static final String NODES_PREFIX = "org.openecomp.resource.vfc.nodes.heat.";
+  public static final String NODES_SUBSTITUTION_PREFIX
+      = "org.openecomp.resource.abstract.nodes.heat.";
+
+  //TOSCA Requirement Ids
+  public static final String DEPENDS_ON_REQUIREMENT_ID = "dependency";
+  public static final String BINDING_REQUIREMENT_ID = "binding";
+  public static final String LINK_REQUIREMENT_ID = "link";
+  public static final String LOCAL_STORAGE_REQUIREMENT_ID = "local_storage";
+  public static final String NETWORK_REQUIREMENT_ID = "network";
+  public static final String PORT_REQUIREMENT_ID = "port";
+
+  //TOSCA Capability Ids
+  public static final String BINDING_CAPABILITY_ID = "binding";
+  public static final String LINK_CAPABILITY_ID = "link";
+  public static final String HOST_CAPABILITY_ID = "host";
+  public static final String ENDPOINT_CAPABILITY_ID = "endpoint";
+  public static final String OS_CAPABILITY_ID = "os";
+  public static final String SCALABLE_CAPABILITY_ID = "scalable";
+
+  //General
+  public static final String TOSCA_DEFINITIONS_VERSION = "tosca_simple_yaml_1_0_0";
+  public static final String MODELABLE_ENTITY_NAME_SELF = "SELF";
+  public static final String NODE_TEMPLATE_DIRECTIVE_SUBSTITUTABLE = "substitutable";
+  public static final String NATIVE_TYPES_SERVICE_TEMPLATE_NAME = "NativeTypesServiceTemplate";
+  public static final String UNBOUNDED = "UNBOUNDED";
+
+  //properties
+  public static final String SERVICE_TEMPLATE_FILTER_PROPERTY_NAME = "service_template_filter";
+  public static final String SUBSTITUTE_SERVICE_TEMPLATE_PROPERTY_NAME =
+      "substitute_service_template";
+  public static final String COUNT_PROPERTY_NAME = "count";
+  public static final String INDEX_VALUE_PROPERTY_NAME = "index_value";
+  public static final String SCALING_ENABLED_PROPERTY_NAME = "scaling_enabled";
+
+  public static final String DHCP_ENABLED_PROPERTY_NAME = "dhcp_enabled";
+
+
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/ToscaFileOutputService.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/ToscaFileOutputService.java
new file mode 100644
index 0000000000..7ec2fffa2b
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/ToscaFileOutputService.java
@@ -0,0 +1,34 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.services;
+
+import org.openecomp.core.utilities.file.FileContentHandler;
+import org.openecomp.sdc.tosca.datatypes.ToscaServiceModel;
+
+public interface ToscaFileOutputService {
+  byte[] createOutputFile(ToscaServiceModel toscaServiceModel,
+                          FileContentHandler externalArtifacts);
+
+  String createMetaFile(String entryDefinitionsFileName);
+
+  String getArtifactsFolderName();
+
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/ToscaNativeTypesServiceTemplate.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/ToscaNativeTypesServiceTemplate.java
new file mode 100644
index 0000000000..013d761168
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/ToscaNativeTypesServiceTemplate.java
@@ -0,0 +1,309 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.services;
+
+import org.openecomp.sdc.tosca.datatypes.ToscaCapabilityType;
+import org.openecomp.sdc.tosca.datatypes.ToscaDataType;
+import org.openecomp.sdc.tosca.datatypes.ToscaNodeType;
+import org.openecomp.sdc.tosca.datatypes.ToscaRelationshipType;
+
+import org.openecomp.sdc.tosca.datatypes.model.AttributeDefinition;
+import org.openecomp.sdc.tosca.datatypes.model.CapabilityDefinition;
+import org.openecomp.sdc.tosca.datatypes.model.InterfaceDefinition;
+import org.openecomp.sdc.tosca.datatypes.model.NodeType;
+import org.openecomp.sdc.tosca.datatypes.model.PropertyDefinition;
+import org.openecomp.sdc.tosca.datatypes.model.PropertyType;
+import org.openecomp.sdc.tosca.datatypes.model.RequirementDefinition;
+import org.openecomp.sdc.tosca.datatypes.model.ServiceTemplate;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * The type Tosca native types service template.
+ */
+public class ToscaNativeTypesServiceTemplate {
+  /**
+   * Create service template service template.
+   *
+   * @return the service template
+   */
+  public static ServiceTemplate createServiceTemplate() {
+    ServiceTemplate nativeNodeTypesServiceTemplate = new ServiceTemplate();
+    nativeNodeTypesServiceTemplate
+        .setTosca_definitions_version(ToscaConstants.TOSCA_DEFINITIONS_VERSION);
+    nativeNodeTypesServiceTemplate.setMetadata(DataModelUtil
+        .createMetadata(ToscaConstants.NATIVE_TYPES_SERVICE_TEMPLATE_NAME, "1.0.0", null));
+    nativeNodeTypesServiceTemplate.setDescription("TOSCA Native Node Types");
+    nativeNodeTypesServiceTemplate.setNode_types(createNativeNodeTypes());
+    return nativeNodeTypesServiceTemplate;
+  }
+
+  private static Map<String, NodeType> createNativeNodeTypes() {
+    Map<String, NodeType> nativeNodeTypes = new HashMap<>();
+    nativeNodeTypes.put(ToscaNodeType.COMPUTE.getDisplayName(), createToscaNodesComputeNodeType());
+    nativeNodeTypes.put(ToscaNodeType.ROOT.getDisplayName(), createToscaNodesRootNodeType());
+    nativeNodeTypes
+        .put(ToscaNodeType.NETWORK_PORT.getDisplayName(), createToscaNodesPortsNodeType());
+    nativeNodeTypes
+        .put(ToscaNodeType.BLOCK_STORAGE.getDisplayName(), createToscaNodesBlockStorageNodeType());
+    nativeNodeTypes.put(ToscaNodeType.NETWORK.getDisplayName(), createToscaNodesNetworkNodeType());
+    return nativeNodeTypes;
+  }
+
+  private static NodeType createToscaNodesComputeNodeType() {
+    NodeType computeNodeType = new NodeType();
+    computeNodeType.setDerived_from(ToscaNodeType.ROOT.getDisplayName());
+    computeNodeType.setAttributes(createComputeAttributes());
+    computeNodeType.setRequirements(createComputeRequirements());
+    computeNodeType.setCapabilities(createComputeCapabilities());
+    return computeNodeType;
+  }
+
+  private static NodeType createToscaNodesRootNodeType() {
+    NodeType computeNodeType = new NodeType();
+    computeNodeType.setAttributes(createRootAttributes());
+    computeNodeType.setInterfaces(createRootInterfaces());
+    return computeNodeType;
+  }
+
+  private static NodeType createToscaNodesPortsNodeType() {
+    NodeType computeNodeType = new NodeType();
+    computeNodeType.setDerived_from(ToscaNodeType.ROOT.getDisplayName());
+    computeNodeType.setProperties(createToscaNodesPortProperties());
+    computeNodeType.setRequirements(createToscaNodesPortRequirements());
+    return computeNodeType;
+  }
+
+  private static NodeType createToscaNodesBlockStorageNodeType() {
+    NodeType computeNodeType = new NodeType();
+    computeNodeType.setDerived_from(ToscaNodeType.ROOT.getDisplayName());
+    computeNodeType.setProperties(createToscaNodesBlockStorageProperties());
+    computeNodeType.setCapabilities(createToscaNodesBlockStorageCapabilities());
+    return computeNodeType;
+  }
+
+  private static NodeType createToscaNodesNetworkNodeType() {
+    NodeType computeNodeType = new NodeType();
+    computeNodeType.setDerived_from(ToscaNodeType.ROOT.getDisplayName());
+    computeNodeType.setProperties(createToscaNodesNetworkProperties());
+    computeNodeType.setCapabilities(createToscaNodesNetworkCapabilities());
+    return computeNodeType;
+  }
+
+  private static Map<String, PropertyDefinition> createToscaNodesPortProperties() {
+    Map<String, PropertyDefinition> propertyDefinitionMap = new HashMap<>();
+    propertyDefinitionMap.put("ip_address", DataModelUtil
+        .createPropertyDefinition(PropertyType.STRING.getDisplayName(), null, false, null, null,
+            null, null));
+    propertyDefinitionMap.put("order", DataModelUtil
+        .createPropertyDefinition(PropertyType.INTEGER.getDisplayName(), null, true,
+            DataModelUtil.getConstrainList(DataModelUtil.createGreaterOrEqualConstrain(0)), null,
+            null, 0));
+    propertyDefinitionMap.put("is_default", DataModelUtil
+        .createPropertyDefinition(PropertyType.BOOLEAN.getDisplayName(), null, false, null, null,
+            null, false));
+    propertyDefinitionMap.put("ip_range_start", DataModelUtil
+        .createPropertyDefinition(PropertyType.STRING.getDisplayName(), null, false, null, null,
+            null, null));
+    propertyDefinitionMap.put("ip_range_end", DataModelUtil
+        .createPropertyDefinition(PropertyType.STRING.getDisplayName(), null, false, null, null,
+            null, null));
+    return propertyDefinitionMap;
+  }
+
+  private static Map<String, PropertyDefinition> createToscaNodesBlockStorageProperties() {
+    Map<String, PropertyDefinition> propertyDefinitionMap = new HashMap<>();
+    propertyDefinitionMap.put("size", DataModelUtil
+        .createPropertyDefinition(PropertyType.SCALAR_UNIT_SIZE.getDisplayName(), null, false,
+            DataModelUtil.getConstrainList(DataModelUtil.createGreaterOrEqualConstrain("1 MB")),
+            null, null, null));
+    propertyDefinitionMap.put("volume_id", DataModelUtil
+        .createPropertyDefinition(PropertyType.STRING.getDisplayName(), null, false, null, null,
+            null, null));
+    propertyDefinitionMap.put("snapshot_id", DataModelUtil
+        .createPropertyDefinition(PropertyType.STRING.getDisplayName(), null, false, null, null,
+            null, null));
+    return propertyDefinitionMap;
+  }
+
+  private static Map<String, PropertyDefinition> createToscaNodesNetworkProperties() {
+    Map<String, PropertyDefinition> propertyDefinitionMap = new HashMap<>();
+    propertyDefinitionMap.put("ip_version", DataModelUtil
+        .createPropertyDefinition(PropertyType.INTEGER.getDisplayName(), null, false,
+            DataModelUtil.getConstrainList(DataModelUtil.createValidValuesConstraint(4, 6)), null,
+            null, 4));
+    propertyDefinitionMap.put("cidr", DataModelUtil
+        .createPropertyDefinition(PropertyType.STRING.getDisplayName(), null, false, null, null,
+            null, null));
+    propertyDefinitionMap.put("start_ip", DataModelUtil
+        .createPropertyDefinition(PropertyType.STRING.getDisplayName(), null, false, null, null,
+            null, null));
+    propertyDefinitionMap.put("end_ip", DataModelUtil
+        .createPropertyDefinition(PropertyType.STRING.getDisplayName(), null, false, null, null,
+            null, null));
+    propertyDefinitionMap.put("gateway_ip", DataModelUtil
+        .createPropertyDefinition(PropertyType.STRING.getDisplayName(), null, false, null, null,
+            null, null));
+    propertyDefinitionMap.put("network_name", DataModelUtil
+        .createPropertyDefinition(PropertyType.STRING.getDisplayName(), null, false, null, null,
+            null, null));
+    propertyDefinitionMap.put("network_id", DataModelUtil
+        .createPropertyDefinition(PropertyType.STRING.getDisplayName(), null, false, null, null,
+            null, null));
+    propertyDefinitionMap.put("segmentation_id", DataModelUtil
+        .createPropertyDefinition(PropertyType.STRING.getDisplayName(), null, false, null, null,
+            null, null));
+    propertyDefinitionMap.put("network_type", DataModelUtil
+        .createPropertyDefinition(PropertyType.STRING.getDisplayName(), null, false, null, null,
+            null, null));
+    propertyDefinitionMap.put("physical_network", DataModelUtil
+        .createPropertyDefinition(PropertyType.STRING.getDisplayName(), null, false, null, null,
+            null, null));
+    propertyDefinitionMap.put("dhcp_enabled", DataModelUtil
+        .createPropertyDefinition(PropertyType.BOOLEAN.getDisplayName(), null, false, null, null,
+            null, true));
+
+    return propertyDefinitionMap;
+  }
+
+  private static Map<String, InterfaceDefinition> createRootInterfaces() {
+    return new HashMap<>();
+  }
+
+  private static Map<String, CapabilityDefinition> createComputeCapabilities() {
+    Map<String, CapabilityDefinition> computeCapabilities = new HashMap<>();
+    computeCapabilities.put(ToscaConstants.HOST_CAPABILITY_ID,
+        createCapabilityDefinition(ToscaCapabilityType.CONTAINER.getDisplayName(),
+            createValidSourceTypes("tosca.nodes.SoftwareComponent")));
+    computeCapabilities.put(ToscaConstants.ENDPOINT_CAPABILITY_ID,
+        createCapabilityDefinition(ToscaCapabilityType.ENDPOINT_ADMIN.getDisplayName(), null));
+    computeCapabilities.put(ToscaConstants.OS_CAPABILITY_ID,
+        createCapabilityDefinition(ToscaCapabilityType.OPERATING_SYSTEM.getDisplayName(), null));
+    computeCapabilities.put(ToscaConstants.SCALABLE_CAPABILITY_ID,
+        createCapabilityDefinition(ToscaCapabilityType.SCALABLE.getDisplayName(), null));
+    computeCapabilities.put(ToscaConstants.BINDING_CAPABILITY_ID,
+        createCapabilityDefinition(ToscaCapabilityType.NETWORK_BINDABLE.getDisplayName(), null));
+    return computeCapabilities;
+  }
+
+  private static Map<String, CapabilityDefinition> createToscaNodesBlockStorageCapabilities() {
+    Map<String, CapabilityDefinition> computeCapabilities = new HashMap<>();
+    computeCapabilities.put("attachment",
+        createCapabilityDefinition(ToscaCapabilityType.ATTACHMENT.getDisplayName(), null));
+    return computeCapabilities;
+  }
+
+  private static Map<String, CapabilityDefinition> createToscaNodesNetworkCapabilities() {
+    Map<String, CapabilityDefinition> computeCapabilities = new HashMap<>();
+    computeCapabilities.put(ToscaConstants.LINK_CAPABILITY_ID,
+        createCapabilityDefinition(ToscaCapabilityType.NETWORK_LINKABLE.getDisplayName(), null));
+    return computeCapabilities;
+  }
+
+  private static List<String> createValidSourceTypes(String... validSourceTypes) {
+    return Arrays.asList(validSourceTypes);
+  }
+
+  private static CapabilityDefinition createCapabilityDefinition(String type,
+                                                                 List<String> validSourceTypes) {
+    CapabilityDefinition capabilityDefinition = new CapabilityDefinition();
+    capabilityDefinition.setType(type);
+    capabilityDefinition.setValid_source_types(validSourceTypes);
+    return capabilityDefinition;
+  }
+
+  private static List<Map<String, RequirementDefinition>> createComputeRequirements() {
+    List<Map<String, RequirementDefinition>> computeRequirementList = new ArrayList<>();
+    Map<String, RequirementDefinition> localStorageRequirement = new HashMap<>();
+    localStorageRequirement.put("local_storage", DataModelUtil
+        .createRequirement(ToscaCapabilityType.ATTACHMENT.getDisplayName(),
+            ToscaNodeType.BLOCK_STORAGE.getDisplayName(),
+            ToscaRelationshipType.NATIVE_ATTACHES_TO.getDisplayName(),
+            createOccurrences(0, ToscaConstants.UNBOUNDED)));
+    computeRequirementList.add(localStorageRequirement);
+    return computeRequirementList;
+  }
+
+  private static List<Map<String, RequirementDefinition>> createToscaNodesPortRequirements() {
+    List<Map<String, RequirementDefinition>> requirements = new ArrayList<>();
+
+    Map<String, RequirementDefinition> linkRequirement = new HashMap<>();
+    linkRequirement.put(ToscaConstants.LINK_REQUIREMENT_ID, DataModelUtil
+        .createRequirement(ToscaCapabilityType.NETWORK_LINKABLE.getDisplayName(),
+            ToscaNodeType.ROOT.getDisplayName(),
+            ToscaRelationshipType.NETWORK_LINK_TO.getDisplayName(), null));
+    requirements.add(linkRequirement);
+
+    Map<String, RequirementDefinition> bindingRequirement = new HashMap<>();
+    bindingRequirement.put(ToscaConstants.BINDING_REQUIREMENT_ID, DataModelUtil
+        .createRequirement(ToscaCapabilityType.NETWORK_BINDABLE.getDisplayName(),
+            ToscaNodeType.ROOT.getDisplayName(),
+            ToscaRelationshipType.NETWORK_BINDS_TO.getDisplayName(), null));
+    requirements.add(bindingRequirement);
+
+    return requirements;
+  }
+
+
+  private static Object[] createOccurrences(Object min, Object max) {
+    return new Object[]{min, max};
+
+  }
+
+  private static Map<String, AttributeDefinition> createComputeAttributes() {
+    Map<String, AttributeDefinition> computeAttributesDefMap = new HashMap<>();
+    computeAttributesDefMap.put("private_address", DataModelUtil
+        .createAttributeDefinition(PropertyType.STRING.getDisplayName(), "private address", null,
+            null, null));
+    computeAttributesDefMap.put("public_address", DataModelUtil
+        .createAttributeDefinition(PropertyType.STRING.getDisplayName(), "public_address", null,
+            null, null));
+    computeAttributesDefMap.put("networks", DataModelUtil
+        .createAttributeDefinition(PropertyType.MAP.getDisplayName(), "networks", null,
+            DataModelUtil
+                .createEntrySchema(ToscaDataType.NETWORK_NETWORK_INFO.getDisplayName(), null, null),
+            null));
+    computeAttributesDefMap.put("ports", DataModelUtil
+        .createAttributeDefinition(PropertyType.MAP.getDisplayName(), "ports", null, DataModelUtil
+                .createEntrySchema(ToscaDataType.NETWORK_PORT_INFO.getDisplayName(), null, null),
+            null));
+    return computeAttributesDefMap;
+  }
+
+  private static Map<String, AttributeDefinition> createRootAttributes() {
+    Map<String, AttributeDefinition> attributesDefMap = new HashMap<>();
+    attributesDefMap.put("tosca_id", DataModelUtil
+        .createAttributeDefinition(PropertyType.STRING.getDisplayName(), "tosca id", null, null,
+            null));
+    attributesDefMap.put("tosca_name", DataModelUtil
+        .createAttributeDefinition(PropertyType.STRING.getDisplayName(), "tosca name", null, null,
+            null));
+    attributesDefMap.put("state", DataModelUtil
+        .createAttributeDefinition(PropertyType.STRING.getDisplayName(), "state", null, null,
+            null));
+    return attributesDefMap;
+  }
+
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/ToscaUtil.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/ToscaUtil.java
new file mode 100644
index 0000000000..4f9c70267d
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/ToscaUtil.java
@@ -0,0 +1,151 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.services;
+
+import org.openecomp.sdc.tosca.datatypes.ToscaServiceModel;
+import org.openecomp.sdc.tosca.datatypes.model.CapabilityDefinition;
+import org.openecomp.sdc.tosca.datatypes.model.CapabilityType;
+import org.openecomp.sdc.tosca.datatypes.model.NodeType;
+import org.openecomp.sdc.tosca.datatypes.model.ServiceTemplate;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Set;
+import java.util.UUID;
+
+/**
+ * The type Tosca util.
+ */
+public class ToscaUtil {
+
+  /**
+   * Gets service template file name.
+   *
+   * @param serviceTemplate the service template
+   * @return the service template file name
+   */
+  public static String getServiceTemplateFileName(ServiceTemplate serviceTemplate) {
+    if (serviceTemplate == null) {
+      return null;
+    }
+    if (serviceTemplate.getMetadata() == null) {
+      return UUID.randomUUID().toString() + "ServiceTemplate.yaml";
+    }
+    return getServiceTemplateFileName(serviceTemplate.getMetadata().getTemplate_name());
+  }
+
+  /**
+   * Gets service template file name.
+   *
+   * @param templateName the template name
+   * @return the service template file name
+   */
+  public static String getServiceTemplateFileName(String templateName) {
+    return (Objects.isNull(templateName) ? UUID.randomUUID().toString() : templateName)
+        + "ServiceTemplate.yaml";
+  }
+
+  /**
+   * Add service template to map with key file name.
+   *
+   * @param serviceTemplates      the service templates
+   * @param commonServiceTemplate the common service template
+   */
+  public static void addServiceTemplateToMapWithKeyFileName(
+      Map<String, ServiceTemplate> serviceTemplates, ServiceTemplate commonServiceTemplate) {
+    serviceTemplates
+        .put(ToscaUtil.getServiceTemplateFileName(commonServiceTemplate), commonServiceTemplate);
+  }
+
+  /**
+   * Convert type to definition capability definition.
+   *
+   * @param type           the type
+   * @param capabilityType the capability type
+   * @param properties     the properties
+   * @param description    the description
+   * @return the capability definition
+   */
+  public static CapabilityDefinition convertTypeToDefinition(String type,
+                                                             CapabilityType capabilityType,
+                                                             Map<String, Object> properties,
+                                                             String description) {
+    CapabilityDefinition capabilityDefinition = new CapabilityDefinition();
+    capabilityDefinition.setAttributes(capabilityType.getAttributes());
+    capabilityDefinition.setProperties(capabilityType.getProperties());
+    if (description == null) {
+      capabilityDefinition.setDescription(capabilityType.getDescription());
+    } else {
+      capabilityDefinition.setDescription(description);
+    }
+    capabilityDefinition.setType(type);
+
+    capabilityDefinition.getProperties()
+        .entrySet()
+        .stream()
+        .filter(entry -> properties.containsKey(entry.getKey()))
+        .forEach(entry -> entry.getValue()
+            .set_default(properties.get(entry.getKey())));
+
+
+    return capabilityDefinition;
+
+  }
+
+  /**
+   * Normalize component name node type map.
+   *
+   * @param toscaModel the tosca model
+   * @param components the components
+   * @return the map
+   */
+  public static Map<String, List<NodeType>> normalizeComponentNameNodeType(
+      ToscaServiceModel toscaModel, Set<String> components) {
+
+    Map<String, List<NodeType>> normalizedData = new HashMap<>();
+    toscaModel
+        .getServiceTemplates()
+        .entrySet().stream().filter(entry -> entry
+        .getValue()
+        .getNode_types() != null)
+        .forEach(entry -> entry
+            .getValue()
+            .getNode_types()
+            .entrySet().stream()
+            .filter(nodeTypeEntry -> components
+                .contains(nodeTypeEntry
+                    .getKey()))
+            .forEach(nodeTypeEntry -> addNodeType(nodeTypeEntry.getKey(), nodeTypeEntry.getValue(),
+                normalizedData)));
+    return normalizedData;
+  }
+
+  private static void addNodeType(String key, NodeType value,
+                                  Map<String, List<NodeType>> normalizedData) {
+    if (!normalizedData.containsKey(key)) {
+      normalizedData.put(key, new ArrayList<>());
+    }
+    normalizedData.get(key).add(value);
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/impl/ToscaAnalyzerServiceImpl.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/impl/ToscaAnalyzerServiceImpl.java
new file mode 100644
index 0000000000..a11bff4b6a
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/impl/ToscaAnalyzerServiceImpl.java
@@ -0,0 +1,467 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.services.impl;
+
+import org.apache.commons.collections4.CollectionUtils;
+import org.apache.commons.collections4.MapUtils;
+import org.openecomp.core.utilities.CommonMethods;
+import org.openecomp.sdc.common.errors.CoreException;
+import org.openecomp.sdc.tosca.datatypes.ToscaCapabilityType;
+import org.openecomp.sdc.tosca.datatypes.ToscaElementTypes;
+import org.openecomp.sdc.tosca.datatypes.ToscaNodeType;
+import org.openecomp.sdc.tosca.datatypes.ToscaServiceModel;
+import org.openecomp.sdc.tosca.datatypes.model.CapabilityType;
+import org.openecomp.sdc.tosca.datatypes.model.Import;
+import org.openecomp.sdc.tosca.datatypes.model.NodeTemplate;
+import org.openecomp.sdc.tosca.datatypes.model.NodeType;
+import org.openecomp.sdc.tosca.datatypes.model.RequirementAssignment;
+import org.openecomp.sdc.tosca.datatypes.model.ServiceTemplate;
+import org.openecomp.sdc.tosca.errors.ToscaInvalidEntryNotFoundErrorBuilder;
+import org.openecomp.sdc.tosca.errors.ToscaInvalidSubstituteNodeTemplatePropertiesErrorBuilder;
+import org.openecomp.sdc.tosca.errors.ToscaInvalidSubstitutionServiceTemplateErrorBuilder;
+import org.openecomp.sdc.tosca.errors.ToscaNodeTypeNotFoundErrorBuilder;
+import org.openecomp.sdc.tosca.services.ToscaAnalyzerService;
+import org.openecomp.sdc.tosca.services.ToscaConstants;
+import org.openecomp.sdc.tosca.services.yamlutil.ToscaExtensionYamlUtil;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+
+public class ToscaAnalyzerServiceImpl implements ToscaAnalyzerService {
+  /*
+  node template with type equal to node type or derived from node type.
+   */
+  @Override
+  public Map<String, NodeTemplate> getNodeTemplatesByType(ServiceTemplate serviceTemplate,
+                                                          String nodeType,
+                                                          ToscaServiceModel toscaServiceModel) {
+    Map<String, NodeTemplate> nodeTemplates = new HashMap<>();
+
+    if (Objects.nonNull(serviceTemplate.getTopology_template())
+        && MapUtils.isNotEmpty(serviceTemplate.getTopology_template().getNode_templates())) {
+      for (Map.Entry<String, NodeTemplate> nodeTemplateEntry : serviceTemplate
+          .getTopology_template().getNode_templates().entrySet()) {
+        if (isTypeOf(nodeTemplateEntry.getValue(), nodeType, serviceTemplate, toscaServiceModel)) {
+          nodeTemplates.put(nodeTemplateEntry.getKey(), nodeTemplateEntry.getValue());
+        }
+
+      }
+    }
+    return nodeTemplates;
+  }
+
+  @Override
+  public boolean isTypeOf(NodeTemplate nodeTemplate, String nodeType,
+                          ServiceTemplate serviceTemplate, ToscaServiceModel toscaServiceModel) {
+    if (nodeTemplate == null) {
+      return false;
+    }
+
+    if (isNodeTemplateOfTypeNodeType(nodeTemplate, nodeType)) {
+      return true;
+    }
+
+    Optional<Boolean> nodeTypeExistInServiceTemplateHierarchy =
+        isNodeTypeExistInServiceTemplateHierarchy(nodeType, nodeTemplate.getType(), serviceTemplate,
+            toscaServiceModel, null);
+    return nodeTypeExistInServiceTemplateHierarchy.orElseThrow(() -> new CoreException(
+        new ToscaNodeTypeNotFoundErrorBuilder(nodeTemplate.getType()).build()));
+  }
+
+
+  private Optional<Boolean> isNodeTypeExistInServiceTemplateHierarchy(String nodeTypeToMatch,
+                                                               String nodeTypeToSearch,
+                                                               ServiceTemplate serviceTemplate,
+                                                               ToscaServiceModel toscaServiceModel,
+                                                               Set<String> analyzedImportFiles) {
+    Map<String, NodeType> searchableNodeTypes = serviceTemplate.getNode_types();
+    if (!MapUtils.isEmpty(searchableNodeTypes)) {
+      NodeType nodeType = searchableNodeTypes.get(nodeTypeToSearch);
+      if (Objects.nonNull(nodeType)) {
+        if (Objects.equals(nodeType.getDerived_from(), nodeTypeToMatch)) {
+          return Optional.of(true);
+        } else if (isNodeTypeIsToscaRoot(nodeType)) {
+          return Optional.of(false);
+        } else {
+          return isNodeTypeExistInServiceTemplateHierarchy(nodeTypeToMatch,
+              nodeType.getDerived_from(), serviceTemplate, toscaServiceModel, null);
+        }
+      } else {
+        return isNodeTypeExistInImports(nodeTypeToMatch, nodeTypeToSearch, serviceTemplate,
+            toscaServiceModel, analyzedImportFiles);
+      }
+    }
+    return isNodeTypeExistInImports(nodeTypeToMatch, nodeTypeToSearch, serviceTemplate,
+        toscaServiceModel, analyzedImportFiles);
+
+  }
+
+  private Optional<Boolean> isNodeTypeExistInImports(String nodeTypeToMatch,
+                                                     String nodeTypeToSearch,
+                                                     ServiceTemplate serviceTemplate,
+                                                     ToscaServiceModel toscaServiceModel,
+                                                     Set<String> analyzedImportFiles) {
+    Map<String, Import> imports = serviceTemplate.getImports();
+    if (imports == null) {
+      return Optional.empty();
+    }
+
+    analyzedImportFiles = createAnalyzedImportFilesSet(analyzedImportFiles);
+    for (Import anImport : imports.values()) {
+      if (Objects.isNull(anImport) || Objects.isNull(anImport.getFile())) {
+        throw new RuntimeException("import without file entry");
+      }
+      String importFile = anImport.getFile();
+      if (analyzedImportFiles.contains(importFile)) {
+        continue;
+      }
+      addImportFileToAnalyzedImportFilesSet(analyzedImportFiles, importFile);
+      ServiceTemplate template = toscaServiceModel.getServiceTemplates().get(importFile);
+      Optional<Boolean> nodeTypeExistInServiceTemplateHierarchy =
+          isNodeTypeExistInServiceTemplateHierarchy(nodeTypeToMatch, nodeTypeToSearch, template,
+              toscaServiceModel, analyzedImportFiles);
+      if (nodeTypeExistInServiceTemplateHierarchy.isPresent()) {
+        if (nodeTypeExistInServiceTemplateHierarchy.get()) {
+          return Optional.of(true);
+        }
+      }
+    }
+    return Optional.of(false);
+  }
+
+  private Set<String> addImportFileToAnalyzedImportFilesSet(Set<String> analyzedImportFiles,
+                                                            String importFile) {
+    analyzedImportFiles.add(importFile);
+    return analyzedImportFiles;
+  }
+
+  private Set<String> createAnalyzedImportFilesSet(Set<String> analyzedImportFiles) {
+    if (Objects.isNull(analyzedImportFiles)) {
+      analyzedImportFiles = new HashSet<>();
+    }
+    return analyzedImportFiles;
+  }
+
+  private boolean isNodeTypeIsToscaRoot(NodeType stNodeType) {
+    return Objects.equals(stNodeType.getDerived_from(), ToscaNodeType.ROOT.getDisplayName());
+  }
+
+  private boolean isNodeTemplateOfTypeNodeType(NodeTemplate nodeTemplate, String nodeType) {
+    return Objects.equals(nodeTemplate.getType(), nodeType);
+  }
+
+  @Override
+  public List<RequirementAssignment> getRequirements(NodeTemplate nodeTemplate,
+                                                     String requirementId) {
+    List<RequirementAssignment> requirements = new ArrayList<>();
+    List<Map<String, RequirementAssignment>> requirementList = nodeTemplate.getRequirements();
+    if (requirementList != null) {
+      requirementList.stream().filter(reqMap -> reqMap.get(requirementId) != null)
+          .forEach(reqMap -> {
+            ToscaExtensionYamlUtil toscaExtensionYamlUtil = new ToscaExtensionYamlUtil();
+            RequirementAssignment reqAssignment = toscaExtensionYamlUtil
+                .yamlToObject(toscaExtensionYamlUtil.objectToYaml(reqMap.get(requirementId)),
+                    RequirementAssignment.class);
+            requirements.add(reqAssignment);
+          });
+    }
+    return requirements;
+  }
+
+  @Override
+  public Optional<NodeTemplate> getNodeTemplateById(ServiceTemplate serviceTemplate,
+                                                    String nodeTemplateId) {
+    if ((serviceTemplate.getTopology_template() != null)
+        && (serviceTemplate.getTopology_template().getNode_templates() != null)
+        && (serviceTemplate.getTopology_template().getNode_templates()
+        .get(nodeTemplateId) != null)) {
+      return Optional
+          .of(serviceTemplate.getTopology_template().getNode_templates().get(nodeTemplateId));
+    }
+    return Optional.empty();
+  }
+
+  @Override
+  public Optional<String> getSubstituteServiceTemplateName(String substituteNodeTemplateId,
+                                                           NodeTemplate substitutableNodeTemplate) {
+    if (!isSubstitutableNodeTemplate(substitutableNodeTemplate)) {
+      return Optional.empty();
+    }
+
+    if (substitutableNodeTemplate.getProperties() != null
+        && substitutableNodeTemplate.getProperties()
+            .get(ToscaConstants.SERVICE_TEMPLATE_FILTER_PROPERTY_NAME) != null) {
+      Object serviceTemplateFilter = substitutableNodeTemplate.getProperties()
+          .get(ToscaConstants.SERVICE_TEMPLATE_FILTER_PROPERTY_NAME);
+      if (serviceTemplateFilter != null && serviceTemplateFilter instanceof Map) {
+        Object substituteServiceTemplate = ((Map) serviceTemplateFilter)
+            .get(ToscaConstants.SUBSTITUTE_SERVICE_TEMPLATE_PROPERTY_NAME);
+        if (substituteServiceTemplate == null) {
+          throw new CoreException(
+              new ToscaInvalidSubstituteNodeTemplatePropertiesErrorBuilder(substituteNodeTemplateId)
+                  .build());
+        }
+        return Optional.of(substituteServiceTemplate.toString());
+      }
+    }
+    throw new CoreException(
+        new ToscaInvalidSubstituteNodeTemplatePropertiesErrorBuilder(substituteNodeTemplateId)
+            .build());
+  }
+
+  @Override
+  public Map<String, NodeTemplate> getSubstitutableNodeTemplates(ServiceTemplate serviceTemplate) {
+    Map<String, NodeTemplate> substitutableNodeTemplates = new HashMap<>();
+
+    if (serviceTemplate == null
+        || serviceTemplate.getTopology_template() == null
+        || serviceTemplate.getTopology_template().getNode_templates() == null) {
+      return substitutableNodeTemplates;
+    }
+
+    Map<String, NodeTemplate> nodeTemplates =
+        serviceTemplate.getTopology_template().getNode_templates();
+    for (String nodeTemplateId : nodeTemplates.keySet()) {
+      NodeTemplate nodeTemplate = nodeTemplates.get(nodeTemplateId);
+      if (isSubstitutableNodeTemplate(nodeTemplate)) {
+        substitutableNodeTemplates.put(nodeTemplateId, nodeTemplate);
+      }
+    }
+
+    return substitutableNodeTemplates;
+  }
+
+  private boolean isSubstitutableNodeTemplate(NodeTemplate nodeTemplate) {
+    return nodeTemplate.getDirectives() != null
+        && nodeTemplate.getDirectives().contains(ToscaConstants
+        .NODE_TEMPLATE_DIRECTIVE_SUBSTITUTABLE);
+  }
+
+  private boolean isSubstitutionServiceTemplate(String substituteServiceTemplateFileName,
+                                                ServiceTemplate substituteServiceTemplate) {
+    if (substituteServiceTemplate != null
+        && substituteServiceTemplate.getTopology_template() != null
+        && substituteServiceTemplate.getTopology_template().getSubstitution_mappings() != null) {
+      if (substituteServiceTemplate.getTopology_template().getSubstitution_mappings()
+          .getNode_type() == null) {
+        throw new CoreException(new ToscaInvalidSubstitutionServiceTemplateErrorBuilder(
+            substituteServiceTemplateFileName).build());
+      }
+      return true;
+    }
+    return false;
+
+  }
+
+  @Override
+  public Optional<Map.Entry<String, NodeTemplate>> getSubstitutionMappedNodeTemplateByExposedReq(
+      String substituteServiceTemplateFileName, ServiceTemplate substituteServiceTemplate,
+      String requirementId) {
+    if (isSubstitutionServiceTemplate(substituteServiceTemplateFileName,
+        substituteServiceTemplate)) {
+      Map<String, List<String>> substitutionMappingRequirements =
+          substituteServiceTemplate.getTopology_template().getSubstitution_mappings()
+              .getRequirements();
+      if (substitutionMappingRequirements != null) {
+        List<String> requirementMapping = substitutionMappingRequirements.get(requirementId);
+        if (requirementMapping != null && !requirementMapping.isEmpty()) {
+          String mappedNodeTemplateId = requirementMapping.get(0);
+          Optional<NodeTemplate> mappedNodeTemplate =
+              getNodeTemplateById(substituteServiceTemplate, mappedNodeTemplateId);
+          mappedNodeTemplate.orElseThrow(() -> new CoreException(
+              new ToscaInvalidEntryNotFoundErrorBuilder("Node Template", mappedNodeTemplateId)
+                  .build()));
+          Map.Entry<String, NodeTemplate> mappedNodeTemplateEntry =
+              new Map.Entry<String, NodeTemplate>() {
+                @Override
+                public String getKey() {
+                  return mappedNodeTemplateId;
+                }
+
+                @Override
+                public NodeTemplate getValue() {
+                  return mappedNodeTemplate.get();
+                }
+
+                @Override
+                public NodeTemplate setValue(NodeTemplate value) {
+                  return null;
+                }
+              };
+          return Optional.of(mappedNodeTemplateEntry);
+        }
+      }
+    }
+    return Optional.empty();
+  }
+
+
+  /*
+  match only for the input which is not null
+   */
+  @Override
+  public boolean isDesiredRequirementAssignment(RequirementAssignment requirementAssignment,
+                                                String capability, String node,
+                                                String relationship) {
+    if (capability != null) {
+      if (requirementAssignment.getCapability() == null
+          || !requirementAssignment.getCapability().equals(capability)) {
+        return false;
+      }
+    }
+
+    if (node != null) {
+      if (requirementAssignment.getNode() == null
+          || !requirementAssignment.getNode().equals(node)) {
+        return false;
+      }
+    }
+
+    if (relationship != null) {
+      if (requirementAssignment.getRelationship() == null
+          || !requirementAssignment.getRelationship().equals(relationship)) {
+        return false;
+      }
+    }
+
+    return !(capability == null && node == null && relationship == null);
+
+  }
+
+  @Override
+  public Object getFlatEntity(ToscaElementTypes elementType, String typeId,
+                              ServiceTemplate serviceTemplate, ToscaServiceModel toscaModel) {
+    Object returnEntity;
+
+    switch (elementType) {
+      case CAPABILITY_TYPE:
+        returnEntity = new CapabilityType();
+        break;
+      default:
+        throw new RuntimeException(
+            "Entity[" + elementType + "] id[" + typeId + "] flat not supported");
+    }
+
+    scanAnFlatEntity(elementType, typeId, returnEntity, serviceTemplate, toscaModel);
+
+
+    return returnEntity;
+  }
+
+  private void scanAnFlatEntity(ToscaElementTypes elementType, String typeId, Object entity,
+                                ServiceTemplate serviceTemplate, ToscaServiceModel toscaModel) {
+
+
+    boolean entityFound =
+        enrichEntityFromCurrentServiceTemplate(elementType, typeId, entity, serviceTemplate,
+            toscaModel);
+    if (!entityFound) {
+      Map<String, Import> imports = serviceTemplate.getImports();
+      if (MapUtils.isEmpty(imports)) {
+        return;
+      }
+      for (Import importServiceTemplate : imports.values()) {
+        ServiceTemplate template =
+            toscaModel.getServiceTemplates().get(importServiceTemplate.getFile());
+        scanAnFlatEntity(elementType, typeId, entity, template, toscaModel);
+      }
+    }
+
+
+  }
+
+  private boolean enrichEntityFromCurrentServiceTemplate(ToscaElementTypes elementType,
+                                                         String typeId, Object entity,
+                                                         ServiceTemplate serviceTemplate,
+                                                         ToscaServiceModel toscaModel) {
+    String derivedFrom;
+    switch (elementType) {
+      case CAPABILITY_TYPE:
+        if (serviceTemplate.getCapability_types() != null
+            && serviceTemplate.getCapability_types().containsKey(typeId)) {
+
+          CapabilityType targetCapabilityType = ((CapabilityType) entity);
+          CapabilityType sourceCapabilityType = serviceTemplate.getCapability_types().get(typeId);
+          derivedFrom = sourceCapabilityType.getDerived_from();
+          if (derivedFrom != null
+              && !ToscaCapabilityType.NFV_METRIC.getDisplayName().equals(derivedFrom)) {
+            scanAnFlatEntity(elementType, derivedFrom, entity, serviceTemplate, toscaModel);
+          }
+          combineCapabilityTypeInfo(sourceCapabilityType, targetCapabilityType);
+        } else {
+          return false;
+        }
+        break;
+      default:
+        throw new RuntimeException(
+            "Entity[" + elementType + "] id[" + typeId + "] flat not supported");
+    }
+
+    return true;
+
+
+  }
+
+  private void combineCapabilityTypeInfo(CapabilityType sourceCapabilityType,
+                                         CapabilityType targetCapabilityType) {
+    if (MapUtils.isNotEmpty(sourceCapabilityType.getAttributes())) {
+      if (targetCapabilityType.getAttributes() == null) {
+        targetCapabilityType.setAttributes(new HashMap<>());
+      }
+      targetCapabilityType.getAttributes().putAll(sourceCapabilityType.getAttributes());
+    }
+
+    if (MapUtils.isNotEmpty(sourceCapabilityType.getProperties())) {
+      if (targetCapabilityType.getProperties() == null) {
+        targetCapabilityType.setProperties(new HashMap<>());
+      }
+      targetCapabilityType.getProperties().putAll(sourceCapabilityType.getProperties());
+    }
+
+    if (CollectionUtils.isNotEmpty(sourceCapabilityType.getValid_source_types())) {
+      if (targetCapabilityType.getValid_source_types() == null) {
+        targetCapabilityType.setValid_source_types(new ArrayList<>());
+      }
+      targetCapabilityType.getValid_source_types()
+          .addAll(sourceCapabilityType.getValid_source_types());
+    }
+
+    if (CommonMethods.isEmpty(sourceCapabilityType.getDerived_from())) {
+      targetCapabilityType.setDerived_from(sourceCapabilityType.getDerived_from());
+    }
+    if (CommonMethods.isEmpty(sourceCapabilityType.getDescription())) {
+      targetCapabilityType.setDescription(sourceCapabilityType.getDescription());
+    }
+    if (CommonMethods.isEmpty(sourceCapabilityType.getVersion())) {
+      targetCapabilityType.setVersion(sourceCapabilityType.getVersion());
+    }
+
+
+  }
+
+
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/impl/ToscaFileOutputServiceCsarImpl.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/impl/ToscaFileOutputServiceCsarImpl.java
new file mode 100644
index 0000000000..d4c22f105f
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/impl/ToscaFileOutputServiceCsarImpl.java
@@ -0,0 +1,158 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.services.impl;
+
+import org.openecomp.core.utilities.file.FileContentHandler;
+import org.openecomp.core.utilities.file.FileUtils;
+import org.openecomp.sdc.common.errors.CoreException;
+import org.openecomp.sdc.tosca.datatypes.ToscaServiceModel;
+import org.openecomp.sdc.tosca.datatypes.model.ServiceTemplate;
+import org.openecomp.sdc.tosca.exceptions.CsarCreationErrorBuilder;
+import org.openecomp.sdc.tosca.exceptions.CsarMissingEntryPointErrorBuilder;
+import org.openecomp.sdc.tosca.services.ToscaFileOutputService;
+
+import java.io.BufferedOutputStream;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Map;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipOutputStream;
+
+public class ToscaFileOutputServiceCsarImpl implements ToscaFileOutputService {
+  static final String EXTERNAL_ARTIFACTS_FOLDER_NAME = "Artifacts";
+  private static final String DEFINITIONS_FOLDER_NAME = "Definitions";
+  private static final String ARTIFACTS_FOLDER_NAME = "Artifacts";
+  //todo currently duplicated, to be changed when external artifacts are separated from internal
+  private static final String TOSCA_META_FOLDER_NAME = "TOSCA-Metadata";
+  private static final String TOSCA_META_FILE_VERSION = "TOSCA-Meta-File-Version";
+  private static final String TOSCA_META_FILE_VERSION_VALUE = "1.0";
+  private static final String TOSCA_META_FILE_NAME = "TOSCA.meta";
+  private static final String CSAR_VERSION = "CSAR-Version";
+  private static final String CSAR_VERSION_VALUE = "1.1";
+  private static final String CREATED_BY = "Created-By";
+  private static final String CREATED_BY_VALUE = "ASDC Onboarding portal";
+  private static final String ENTRY_DEFINITIONS = "Entry-Definitions";
+  private static final String META_FILE_DELIMITER = ":";
+  private static final String SPACE = " ";
+  private static final String FILE_SEPARATOR = File.separator;
+
+  @Override
+  public byte[] createOutputFile(ToscaServiceModel toscaServiceModel,
+                                 FileContentHandler externalArtifacts) {
+    ByteArrayOutputStream baos = new ByteArrayOutputStream();
+    try (ZipOutputStream zos = new ZipOutputStream(new BufferedOutputStream(baos))) {
+      packDefinitions(zos, toscaServiceModel.getServiceTemplates());
+      FileContentHandler artifactFiles = toscaServiceModel.getArtifactFiles();
+      if (artifactFiles != null && !artifactFiles.isEmpty()) {
+        packArtifacts(zos, artifactFiles);
+      }
+      if (toscaServiceModel.getEntryDefinitionServiceTemplate() == null) {
+        throw new CoreException(new CsarMissingEntryPointErrorBuilder().build());
+      }
+      createAndPackToscaMetaFile(zos, toscaServiceModel.getEntryDefinitionServiceTemplate());
+      if (externalArtifacts != null) {
+        packExternalArtifacts(zos, externalArtifacts);
+      }
+    } catch (IOException exc) {
+      throw new CoreException(new CsarCreationErrorBuilder().build(), exc);
+    }
+    return baos.toByteArray();
+  }
+
+  @Override
+  public String createMetaFile(String entryDefinitionsFileName) {
+    return TOSCA_META_FILE_VERSION + META_FILE_DELIMITER + SPACE + TOSCA_META_FILE_VERSION_VALUE
+        + System.lineSeparator()
+        + CSAR_VERSION + META_FILE_DELIMITER + SPACE + CSAR_VERSION_VALUE + System.lineSeparator()
+        + CREATED_BY + META_FILE_DELIMITER + SPACE + CREATED_BY_VALUE + System.lineSeparator()
+        + ENTRY_DEFINITIONS + META_FILE_DELIMITER + SPACE + DEFINITIONS_FOLDER_NAME
+        + FILE_SEPARATOR + entryDefinitionsFileName;
+  }
+
+  @Override
+  public String getArtifactsFolderName() {
+    return ARTIFACTS_FOLDER_NAME;
+  }
+
+  private void createAndPackToscaMetaFile(ZipOutputStream zos, String entryDefinitionsFileName)
+      throws IOException {
+    String metaFile = createMetaFile(entryDefinitionsFileName);
+    zos.putNextEntry(
+        new ZipEntry((TOSCA_META_FOLDER_NAME + FILE_SEPARATOR + TOSCA_META_FILE_NAME)));
+    writeBytesToZip(zos, new ByteArrayInputStream(metaFile.getBytes()));
+  }
+
+  private void packDefinitions(ZipOutputStream zos, Map<String, ServiceTemplate> serviceTemplates)
+      throws IOException {
+    for (Map.Entry<String, ServiceTemplate> serviceTemplate : serviceTemplates.entrySet()) {
+      String fileName = serviceTemplate.getKey();
+      zos.putNextEntry(new ZipEntry(DEFINITIONS_FOLDER_NAME + FILE_SEPARATOR + fileName));
+      writeBytesToZip(zos,
+          FileUtils.convertToInputStream(serviceTemplate.getValue(), FileUtils.FileExtension.YAML));
+    }
+  }
+
+  private void packExternalArtifacts(ZipOutputStream zos, FileContentHandler externalArtifacts) {
+
+    for (String filenameIncludingPath : externalArtifacts.getFileList()) {
+      try {
+        zos.putNextEntry(new ZipEntry(filenameIncludingPath));
+        writeBytesToZip(zos, externalArtifacts.getFileContent(filenameIncludingPath));
+
+      } catch (IOException exc) {
+        throw new RuntimeException(exc);
+      } finally {
+        try {
+          zos.closeEntry();
+        } catch (IOException ignore) {
+          //do nothing
+        }
+      }
+    }
+
+  }
+
+  private void packArtifacts(ZipOutputStream zos, FileContentHandler artifacts) {
+
+    for (String fileName : artifacts.getFileList()) {
+      try {
+        zos.putNextEntry(new ZipEntry((ARTIFACTS_FOLDER_NAME + FILE_SEPARATOR + fileName)));
+        writeBytesToZip(zos, artifacts.getFileContent(fileName));
+
+      } catch (IOException exc) {
+        throw new RuntimeException(exc);
+      } finally {
+        try {
+          zos.closeEntry();
+        } catch (IOException ignore) {
+          //do nothing
+        }
+      }
+    }
+  }
+
+  private void writeBytesToZip(ZipOutputStream zos, InputStream is) throws IOException {
+    FileUtils.copy(is, zos);
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/yamlutil/ToscaExtensionYamlUtil.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/yamlutil/ToscaExtensionYamlUtil.java
new file mode 100644
index 0000000000..a1c11c2483
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/yamlutil/ToscaExtensionYamlUtil.java
@@ -0,0 +1,93 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.services.yamlutil;
+
+import org.openecomp.core.utilities.yaml.YamlUtil;
+import org.yaml.snakeyaml.constructor.Constructor;
+import org.yaml.snakeyaml.introspector.Property;
+import org.yaml.snakeyaml.introspector.PropertyUtils;
+import org.yaml.snakeyaml.nodes.MappingNode;
+import org.yaml.snakeyaml.nodes.NodeId;
+
+import java.beans.IntrospectionException;
+
+public class ToscaExtensionYamlUtil extends YamlUtil {
+
+  @Override
+  public <T> Constructor getConstructor(Class<T> typClass) {
+    return new ToscaWithHeatExtensionConstructor(typClass);
+  }
+
+  @Override
+  protected PropertyUtils getPropertyUtils() {
+    return new ToscaPropertyUtilsWithHeatExtension();
+  }
+
+  public class ToscaPropertyUtilsWithHeatExtension extends MyPropertyUtils {
+    @Override
+    public Property getProperty(Class<? extends Object> type, String name)
+        throws IntrospectionException {
+      try {
+        if (type.equals(
+            Class.forName("org.openecomp.sdc.tosca.datatypes.model.ParameterDefinition"))) {
+          type = Class.forName(
+              "org.openecomp.sdc.tosca.datatypes.model.heatextend.ParameterDefinitionExt");
+        }
+      } catch (ClassNotFoundException exception) {
+        throw new RuntimeException(exception);
+      }
+      return super.getProperty(type, name);
+    }
+  }
+
+  protected class ToscaWithHeatExtensionConstructor extends StrictMapAppenderConstructor {
+    public ToscaWithHeatExtensionConstructor(Class<?> theRoot) {
+      super(theRoot);
+      yamlClassConstructors.put(NodeId.mapping, new MyPersistentObjectConstruct());
+    }
+
+    class MyPersistentObjectConstruct extends ConstructMapping {
+      @Override
+      protected Object constructJavaBean2ndStep(MappingNode node, Object object) {
+        Class type = node.getType();
+        try {
+          if (type.equals(
+              Class.forName("org.openecomp.sdc.tosca.datatypes.model.ParameterDefinition"))) {
+            Class extendHeatClass = Class.forName(
+                "org.openecomp.sdc.tosca.datatypes.model.heatextend.ParameterDefinitionExt");
+            Object extendHeatObject = extendHeatClass.newInstance();
+            // create JavaBean
+            return super.constructJavaBean2ndStep(node, extendHeatObject);
+          } else {
+            // create JavaBean
+            return super.constructJavaBean2ndStep(node, object);
+          }
+        } catch (ClassNotFoundException | InstantiationException
+            | IllegalAccessException exception) {
+          throw new RuntimeException(exception);
+        }
+      }
+    }
+  }
+}
+
+
+
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/test/java/org/openecomp/sdc/tosca/TestUtil.java b/openecomp-be/lib/openecomp-tosca-lib/src/test/java/org/openecomp/sdc/tosca/TestUtil.java
new file mode 100644
index 0000000000..da3ae76f27
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/test/java/org/openecomp/sdc/tosca/TestUtil.java
@@ -0,0 +1,71 @@
+package org.openecomp.sdc.tosca;
+
+import org.openecomp.sdc.tosca.datatypes.ToscaServiceModel;
+import org.openecomp.sdc.tosca.datatypes.model.ServiceTemplate;
+import org.openecomp.sdc.tosca.services.yamlutil.ToscaExtensionYamlUtil;
+
+import java.io.*;
+import java.net.URL;
+import java.nio.file.NotDirectoryException;
+import java.util.HashMap;
+import java.util.Map;
+
+public class TestUtil {
+
+  public static ToscaServiceModel loadToscaServiceModel(String serviceTemplatesPath,
+                                                        String globalServiceTemplatesPath,
+                                                        String entryDefinitionServiceTemplate)
+      throws IOException {
+    ToscaExtensionYamlUtil toscaExtensionYamlUtil = new ToscaExtensionYamlUtil();
+    Map<String, ServiceTemplate> serviceTemplates = new HashMap<>();
+    if (entryDefinitionServiceTemplate == null) {
+      entryDefinitionServiceTemplate = "MainServiceTemplate.yaml";
+    }
+
+    loadServiceTemplates(serviceTemplatesPath, toscaExtensionYamlUtil, serviceTemplates);
+    if (globalServiceTemplatesPath != null) {
+      loadServiceTemplates(globalServiceTemplatesPath, toscaExtensionYamlUtil, serviceTemplates);
+    }
+
+    return new ToscaServiceModel(null, serviceTemplates, entryDefinitionServiceTemplate);
+  }
+
+  private static void loadServiceTemplates(String serviceTemplatesPath,
+                                           ToscaExtensionYamlUtil toscaExtensionYamlUtil,
+                                           Map<String, ServiceTemplate> serviceTemplates)
+      throws IOException {
+    URL urlFile = TestUtil.class.getResource(serviceTemplatesPath);
+    if (urlFile != null) {
+      File pathFile = new File(urlFile.getFile());
+      File[] files = pathFile.listFiles();
+      if (files != null) {
+        addServiceTemplateFiles(serviceTemplates, files, toscaExtensionYamlUtil);
+      } else {
+        throw new NotDirectoryException(serviceTemplatesPath);
+      }
+    } else {
+      throw new NotDirectoryException(serviceTemplatesPath);
+    }
+  }
+
+  private static void addServiceTemplateFiles(Map<String, ServiceTemplate> serviceTemplates,
+                                              File[] files,
+                                              ToscaExtensionYamlUtil toscaExtensionYamlUtil)
+      throws IOException {
+    for (File file : files) {
+      try (InputStream yamlFile = new FileInputStream(file)) {
+        ServiceTemplate serviceTemplateFromYaml =
+            toscaExtensionYamlUtil.yamlToObject(yamlFile, ServiceTemplate.class);
+        serviceTemplates.put(file.getName(), serviceTemplateFromYaml);
+        try {
+          yamlFile.close();
+        } catch (IOException ignore) {
+        }
+      } catch (FileNotFoundException e) {
+        throw e;
+      } catch (IOException e) {
+        throw e;
+      }
+    }
+  }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/test/java/org/openecomp/sdc/tosca/datatypes/PropertyTypeTest.java b/openecomp-be/lib/openecomp-tosca-lib/src/test/java/org/openecomp/sdc/tosca/datatypes/PropertyTypeTest.java
new file mode 100644
index 0000000000..470dd9784a
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/test/java/org/openecomp/sdc/tosca/datatypes/PropertyTypeTest.java
@@ -0,0 +1,20 @@
+package org.openecomp.sdc.tosca.datatypes;
+
+import org.openecomp.sdc.tosca.datatypes.model.PropertyType;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class PropertyTypeTest {
+  @Test
+  public void shouldReturnNullWhenDisplayNameDoesNotExistForAnyProperty() {
+    String s = "blabla";
+    Assert.assertEquals(PropertyType.getPropertyTypeByDisplayName(s), null);
+  }
+
+  @Test
+  public void shouldReturnApproppriatePropertyTypeWhenDisplayNameExist() {
+    String s = "scalar-unit.size";
+    Assert
+        .assertEquals(PropertyType.getPropertyTypeByDisplayName(s), PropertyType.SCALAR_UNIT_SIZE);
+  }
+}
\ No newline at end of file
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/test/java/org/openecomp/sdc/tosca/datatypes/ToscaModelTest.java b/openecomp-be/lib/openecomp-tosca-lib/src/test/java/org/openecomp/sdc/tosca/datatypes/ToscaModelTest.java
new file mode 100644
index 0000000000..13b05543fb
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/test/java/org/openecomp/sdc/tosca/datatypes/ToscaModelTest.java
@@ -0,0 +1,282 @@
+package org.openecomp.sdc.tosca.datatypes;
+
+import org.openecomp.sdc.tosca.datatypes.model.ArtifactType;
+import org.openecomp.sdc.tosca.datatypes.model.AttributeDefinition;
+import org.openecomp.sdc.tosca.datatypes.model.CapabilityAssignment;
+import org.openecomp.sdc.tosca.datatypes.model.CapabilityDefinition;
+import org.openecomp.sdc.tosca.datatypes.model.Constraint;
+import org.openecomp.sdc.tosca.datatypes.model.Directive;
+import org.openecomp.sdc.tosca.datatypes.model.Import;
+import org.openecomp.sdc.tosca.datatypes.model.Metadata;
+import org.openecomp.sdc.tosca.datatypes.model.NodeFilter;
+import org.openecomp.sdc.tosca.datatypes.model.NodeTemplate;
+import org.openecomp.sdc.tosca.datatypes.model.NodeType;
+import org.openecomp.sdc.tosca.datatypes.model.ParameterDefinition;
+import org.openecomp.sdc.tosca.datatypes.model.PropertyDefinition;
+import org.openecomp.sdc.tosca.datatypes.model.PropertyType;
+import org.openecomp.sdc.tosca.datatypes.model.RequirementAssignment;
+import org.openecomp.sdc.tosca.datatypes.model.RequirementDefinition;
+import org.openecomp.sdc.tosca.datatypes.model.ServiceTemplate;
+import org.openecomp.sdc.tosca.datatypes.model.SubstitutionMapping;
+import org.openecomp.sdc.tosca.datatypes.model.TopologyTemplate;
+import org.openecomp.sdc.tosca.datatypes.model.heatextend.ParameterDefinitionExt;
+import org.openecomp.sdc.tosca.services.DataModelUtil;
+import org.openecomp.sdc.tosca.services.ToscaConstants;
+import org.openecomp.sdc.tosca.services.yamlutil.ToscaExtensionYamlUtil;
+import org.openecomp.core.utilities.yaml.YamlUtil;
+import org.junit.Assert;
+import org.junit.Test;
+
+
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+
+public class ToscaModelTest {
+
+  @Test
+  public void testServiceTemplateJavaToYaml() {
+
+    ServiceTemplate serviceTemplate = new ServiceTemplate();
+    Metadata metadata = new Metadata();
+    metadata.setTemplate_author("OPENECOMP");
+    metadata.setTemplate_name("Test");
+    metadata.setTemplate_version("1.0.0");
+    serviceTemplate.setTosca_definitions_version("tosca_simple_yaml_1_0_0");
+    serviceTemplate.setDescription("testing desc tosca service template");
+    serviceTemplate.setMetadata(metadata);
+
+    Import fileImport1 = new Import();
+    fileImport1.setFile("path1/path2/file1.yaml");
+    Import fileImport2 = new Import();
+    fileImport2.setFile("path1/path2/file2.yaml");
+    Map<String, Import> imports = new HashMap<>();
+    imports.put("myfile1", fileImport1);
+    imports.put("myfile2", fileImport2);
+    serviceTemplate.setImports(imports);
+
+    ArtifactType artifact = new ArtifactType();
+    artifact.setMime_type("application/java-archive");
+    ArrayList<String> ext = new ArrayList<>();
+    ext.add("yaml");
+    ext.add("xml");
+    artifact.setFile_ext(ext);
+    Map<String, ArtifactType> artifactTypes = new HashMap<>();
+    artifactTypes.put("one_artifact", artifact);
+    serviceTemplate.setArtifact_types(artifactTypes);
+
+    NodeType nodeType = new NodeType();
+    nodeType.setDerived_from("tosca.nodes.Root");
+    nodeType.setVersion("1.0.0");
+    nodeType.setDescription("tosca compute test");
+
+    PropertyDefinition propDef1 = new PropertyDefinition();
+    propDef1.setType("integer");
+    propDef1.setDescription("Number of CPUs requested for a software node instance");
+    propDef1.setRequired(true);
+    propDef1.set_default(1);
+
+    Constraint graterOrEqual = new Constraint();
+    graterOrEqual.setGreater_or_equal((float) 5.0);
+    Constraint constraintEqual = new Constraint();
+    constraintEqual.setEqual(5);
+    Constraint greater_than = new Constraint();
+    greater_than.setGreater_than(6.02);
+    Constraint inRange = new Constraint();
+    inRange.setIn_range(new Object[2]);
+    inRange.getIn_range()[0] = 0;
+    inRange.getIn_range()[1] = ToscaConstants.UNBOUNDED;
+
+    List<Constraint> constraints = new ArrayList<>();
+    constraints.add(graterOrEqual);
+    constraints.add(constraintEqual);
+    constraints.add(greater_than);
+    constraints.add(inRange);
+    propDef1.setConstraints(constraints);
+
+    Map<String, PropertyDefinition> properties = new HashMap<>();
+    properties.put("cpu_num", propDef1);
+    nodeType.setProperties(properties);
+
+    Map<String, AttributeDefinition> attributesDef = new HashMap<>();
+    AttributeDefinition attDef = new AttributeDefinition();
+    attDef.setType(PropertyType.STRING.getDisplayName());
+    attDef.set_default("hi");
+    attributesDef.put("attDef1", attDef);
+    nodeType.setAttributes(attributesDef);
+
+    Map<String, RequirementDefinition> reqsDef = new HashMap<>();
+    RequirementDefinition reqDef = new RequirementDefinition();
+    reqDef.setCapability("tosca.cap1");
+    reqDef.getOccurrences()[0] = 5;
+    reqsDef.put("re1", reqDef);
+    List<Map<String, RequirementDefinition>> reqList = new ArrayList<>();
+    reqList.add(reqsDef);
+    nodeType.setRequirements(reqList);
+
+
+    Map<String, CapabilityDefinition> capsDef = new HashMap<>();
+    CapabilityDefinition capdef = new CapabilityDefinition();
+    capdef.setType("tosca.cap");
+    List<String> vvSource = new ArrayList<>();
+    vvSource.add("node1");
+    vvSource.add("node2");
+    capdef.setValid_source_types(vvSource);
+    capsDef.put("cap1", capdef);
+    nodeType.setCapabilities(capsDef);
+
+    Map<String, NodeType> nodeTypes = new HashMap<>();
+    nodeTypes.put("compute_node_type", nodeType);
+    serviceTemplate.setNode_types(nodeTypes);
+
+    TopologyTemplate topologyTemplate = new TopologyTemplate();
+    topologyTemplate.setDescription("topologi template descroption");
+    Map<String, ParameterDefinition> inputs = new HashMap<>();
+    ParameterDefinition paramDef = new ParameterDefinition();
+    paramDef.setType(PropertyType.STRING.getDisplayName());
+    paramDef.setDescription("desc");
+    paramDef.set_default("my default val");
+    paramDef.setRequired(false);
+    paramDef.setEntry_schema(DataModelUtil.createEntrySchema("tosca.myType", null, null));
+    List<Constraint> paramConstraint = new ArrayList<>();
+    Constraint paramConst1 = new Constraint();
+    paramConst1.setGreater_than(6);
+    Constraint paramConst2 = new Constraint();
+    paramConst2.setGreater_or_equal(9);
+    paramConstraint.add(paramConst1);
+    paramConstraint.add(paramConst2);
+    paramDef.setConstraints(paramConstraint);
+    inputs.put("inParam1", paramDef);
+    topologyTemplate.setInputs(inputs);
+
+    Map<String, NodeTemplate> nodeTemplates = new HashMap<>();
+    NodeTemplate nodeTemplate = new NodeTemplate();
+    nodeTemplate.setType("nodeTypeRef");
+    List<String> directives = new ArrayList<>();
+    directives.add(Directive.SELECTABLE.getDisplayName());
+    directives.add(Directive.SUBSTITUTABLE.getDisplayName());
+    nodeTemplate.setDirectives(directives);
+    Map<String, Object> nodeTemplateProperties = new HashMap<>();
+    nodeTemplateProperties.put("prop1", "abcd");
+    nodeTemplateProperties.put("prop2", "{ get_input: my_mysql_rootpw }");
+    nodeTemplate.setProperties(nodeTemplateProperties);
+    Map<String, Object> nodeTemplateAtts = new HashMap<>();
+    nodeTemplateAtts.put("att1", "att1Val");
+    nodeTemplateAtts.put("att2", "{ get_input: my_mysql_rootpw }");
+    nodeTemplate.setAttributes(nodeTemplateAtts);
+
+
+    RequirementAssignment reqAssignment1 = new RequirementAssignment();
+    reqAssignment1.setNode("nodeA");
+    reqAssignment1.setCapability("capA");
+    reqAssignment1.setRelationship("relationB");
+    Object[] reqAssOccurrences = new Object[2];
+    reqAssOccurrences[0] = 1;
+    reqAssOccurrences[1] = 2;
+    reqAssignment1.setOccurrences(reqAssOccurrences);
+    NodeFilter reqNodeFilter = new NodeFilter();
+    List<Constraint> propConstrain1 = new ArrayList<>();
+    Constraint propConst1 = new Constraint();
+    propConst1.setGreater_or_equal(9);
+    propConstrain1.add(propConst1);
+    List<Constraint> propConstrain2 = new ArrayList<>();
+    Constraint propConst2 = new Constraint();
+    propConst2.setMin_length(1);
+    propConstrain2.add(propConst2);
+    Constraint propConst3 = new Constraint();
+    propConst3.setMax_length(2);
+    propConstrain2.add(propConst3);
+    Map<String, List<Constraint>> nodeFilterProp = new HashMap<>();
+    nodeFilterProp.put("propName1", propConstrain1);
+    nodeFilterProp.put("propName2", propConstrain2);
+    reqNodeFilter.setProperties(nodeFilterProp);
+    reqAssignment1.setNode_filter(reqNodeFilter);
+
+    RequirementAssignment reqAssignment2 = new RequirementAssignment();
+    reqAssignment2.setNode("nodeA");
+    reqAssignment2.setCapability("capA");
+    reqAssignment2.setRelationship("relationB");
+    Map<String, RequirementAssignment> nodeTemplateRequirement1 = new HashMap<>();
+    Map<String, RequirementAssignment> nodeTemplateRequirement2 = new HashMap<>();
+    nodeTemplateRequirement1.put("req1", reqAssignment1);
+    nodeTemplateRequirement2.put("req2", reqAssignment2);
+    nodeTemplate.setRequirements(new ArrayList<>());
+    nodeTemplate.getRequirements().add(nodeTemplateRequirement1);
+    nodeTemplate.getRequirements().add(nodeTemplateRequirement2);
+
+    Map<String, CapabilityAssignment> nodeTemplateCapability = new HashMap<>();
+    CapabilityAssignment capAss = new CapabilityAssignment();
+    Map<String, Object> capProps = new HashMap<>();
+    capProps.put("num_cpus", "{ get_input: cpus }");
+    capAss.setProperties(capProps);
+    Map<String, Object> capAtts = new HashMap<>();
+    capAtts.put("num_cpus", "66");
+    capAss.setAttributes(capAtts);
+    nodeTemplateCapability.put("cap1", capAss);
+    nodeTemplate.setCapabilities(new ArrayList<>());
+    nodeTemplate.getCapabilities().add(nodeTemplateCapability);
+
+    NodeFilter nodeTemplateNodeFilter = new NodeFilter();
+    Map<String, List<Constraint>> ntProp = new HashMap<>();
+    Constraint c1 = new Constraint();
+    c1.setEqual("1 MB");
+    List<Constraint> consList = new ArrayList<>();
+    consList.add(c1);
+    ntProp.put("test1", consList);
+    nodeTemplateNodeFilter.setProperties(ntProp);
+    nodeTemplate.setNode_filter(nodeTemplateNodeFilter);
+    nodeTemplates.put("firatNodeTemplate", nodeTemplate);
+    topologyTemplate.setNode_templates(nodeTemplates);
+
+    SubstitutionMapping subMap = new SubstitutionMapping();
+    subMap.setNode_type("myNodeType.node");
+    Map<String, List<String>> mapCapabilities = new HashMap<>();
+    List<String> NodeCap = new ArrayList<>();
+    NodeCap.add("database");
+    NodeCap.add("database_endpoint");
+    mapCapabilities.put("database_endpoint", NodeCap);
+    subMap.setCapabilities(mapCapabilities);
+    topologyTemplate.setSubstitution_mappings(subMap);
+    serviceTemplate.setTopology_template(topologyTemplate);
+
+    String yaml = new YamlUtil().objectToYaml(serviceTemplate);
+    ServiceTemplate serviceTemplateFromYaml =
+        new YamlUtil().yamlToObject(yaml, ServiceTemplate.class);
+    Assert.assertNotNull(serviceTemplateFromYaml);
+  }
+
+
+  @Test
+  public void testYamlToServiceTemplateObj() {
+    InputStream yamlFile = new YamlUtil().loadYamlFileIs("/mock/model/serviceTemplate.yaml");
+    ServiceTemplate serviceTemplateFromYaml =
+        new YamlUtil().yamlToObject(yamlFile, ServiceTemplate.class);
+    Assert.assertNotNull(serviceTemplateFromYaml);
+  }
+
+
+  @Test
+  public void testYamlToServiceTemplateIncludingHeatExtend() {
+    ToscaExtensionYamlUtil toscaExtensionYamlUtil = new ToscaExtensionYamlUtil();
+    InputStream yamlFile =
+        toscaExtensionYamlUtil.loadYamlFileIs("/mock/model/serviceTemplateHeatExtend.yaml");
+    ServiceTemplate serviceTemplateFromYaml =
+        toscaExtensionYamlUtil.yamlToObject(yamlFile, ServiceTemplate.class);
+    ParameterDefinitionExt parameterDefinitionExt =
+        (ParameterDefinitionExt) serviceTemplateFromYaml.getTopology_template().getInputs()
+            .get("inParam1");
+    Assert.assertNotNull(parameterDefinitionExt.getLabel());
+    String backToYamlString = toscaExtensionYamlUtil.objectToYaml(serviceTemplateFromYaml);
+    Assert.assertNotNull(backToYamlString);
+  }
+
+}
+
+
+
+
+
+
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/test/java/org/openecomp/sdc/tosca/datatypes/model/CapabilityDefinitionTest.java b/openecomp-be/lib/openecomp-tosca-lib/src/test/java/org/openecomp/sdc/tosca/datatypes/model/CapabilityDefinitionTest.java
new file mode 100644
index 0000000000..2b0f88fdea
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/test/java/org/openecomp/sdc/tosca/datatypes/model/CapabilityDefinitionTest.java
@@ -0,0 +1,101 @@
+package org.openecomp.sdc.tosca.datatypes.model;
+
+import org.openecomp.sdc.tosca.services.ToscaConstants;
+import org.openecomp.core.utilities.yaml.YamlUtil;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class CapabilityDefinitionTest {
+
+  @Test
+  public void cloneTest() {
+    CapabilityDefinition capDef1 = new CapabilityDefinition();
+    Map<String, AttributeDefinition> attributes = new HashMap<>();
+    attributes.put("key1", getAttributeDefinition());
+    capDef1.setAttributes(attributes);
+
+    capDef1.setDescription("This is my desc");
+    capDef1.setOccurrences(getMockOccurrences());
+
+    Map<String, PropertyDefinition> properties = new HashMap<>();
+    PropertyDefinition propertyDefinition = getMockPropertyDefinition();
+    properties.put("key1", propertyDefinition);
+    capDef1.setProperties(properties);
+    capDef1.setType("My Type");
+    List<String> valid_source_types = new ArrayList<>();
+    valid_source_types.add("nonono");
+    capDef1.setValid_source_types(valid_source_types);
+
+    CapabilityDefinition capDef2 = capDef1.clone();
+    NodeType nodeType = new NodeType();
+    nodeType.setCapabilities(new HashMap<>());
+    nodeType.getCapabilities().put("cap1", capDef1);
+    nodeType.getCapabilities().put("cap2", capDef2);
+
+    String yamlString = new YamlUtil().objectToYaml(nodeType);
+    Boolean passResult = !yamlString.contains("&") && !yamlString.contains("*");
+    Assert.assertEquals(true, passResult);
+  }
+
+  private PropertyDefinition getMockPropertyDefinition() {
+    PropertyDefinition propertyDefinition = new PropertyDefinition();
+    propertyDefinition.setConstraints(getMockConstraints());
+    propertyDefinition.setDescription("desc");
+    propertyDefinition.setType("typeProp");
+    propertyDefinition.set_default(5);
+    propertyDefinition.setEntry_schema(getMockEntrySchema());
+    propertyDefinition.setRequired(false);
+    propertyDefinition.setStatus(Status.UNSUPPORTED);
+    return propertyDefinition;
+  }
+
+  private Object[] getMockOccurrences() {
+    Object[] occurrences = new Object[2];
+    occurrences[0] = 2;
+    occurrences[1] = ToscaConstants.UNBOUNDED;
+    return occurrences;
+  }
+
+  private ArtifactDefinition getMockArtifactDefinition() {
+    ArtifactDefinition artifactDefinition = new ArtifactDefinition();
+    artifactDefinition.setType("type1");
+    artifactDefinition.setDescription("description of OPENECOMP def");
+    artifactDefinition.setDeploy_path("my deployment path");
+    artifactDefinition.setFile("my file");
+    artifactDefinition.setRepository("my repository");
+    return artifactDefinition;
+  }
+
+  private AttributeDefinition getAttributeDefinition() {
+    AttributeDefinition attributeDefinition = new AttributeDefinition();
+    attributeDefinition.setDescription("desc1");
+    attributeDefinition.setType("type1");
+    attributeDefinition.set_default("none");
+    attributeDefinition.setEntry_schema(getMockEntrySchema());
+    attributeDefinition.setStatus(Status.UNSUPPORTED);
+    return attributeDefinition;
+  }
+
+  private EntrySchema getMockEntrySchema() {
+    EntrySchema entrySchema = new EntrySchema();
+    entrySchema.setType("string");
+    entrySchema.setDescription("string for string");
+    List<Constraint> constraints = getMockConstraints();
+    entrySchema.setConstraints(constraints);
+    return entrySchema;
+  }
+
+  private List<Constraint> getMockConstraints() {
+    List<Constraint> constraints = new ArrayList<>();
+    Constraint constraint = new Constraint();
+    constraint.setEqual("5");
+    constraints.add(constraint);
+    return constraints;
+  }
+
+}
\ No newline at end of file
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/test/java/org/openecomp/sdc/tosca/datatypes/model/RequirementDefinitionTest.java b/openecomp-be/lib/openecomp-tosca-lib/src/test/java/org/openecomp/sdc/tosca/datatypes/model/RequirementDefinitionTest.java
new file mode 100644
index 0000000000..3109a8abff
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/test/java/org/openecomp/sdc/tosca/datatypes/model/RequirementDefinitionTest.java
@@ -0,0 +1,40 @@
+package org.openecomp.sdc.tosca.datatypes.model;
+
+import org.openecomp.core.utilities.yaml.YamlUtil;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class RequirementDefinitionTest {
+
+  @Test
+  public void cloneTest() {
+    RequirementDefinition reqDef1 = new RequirementDefinition();
+    reqDef1.setNode("node1");
+    reqDef1.setRelationship("my Relationship");
+    reqDef1.setCapability("capabilities");
+    reqDef1.setOccurrences(new Object[]{1, 1});
+
+    RequirementDefinition reqDef2 = reqDef1.clone();
+    NodeType nodeType = new NodeType();
+
+    List<Map<String, RequirementDefinition>> requirements = new ArrayList<>();
+    Map<String, RequirementDefinition> reqMap1 = new HashMap<>();
+    reqMap1.put("req1", reqDef1);
+    requirements.add(reqMap1);
+    Map<String, RequirementDefinition> reqMap2 = new HashMap<>();
+    reqMap2.put("req2", reqDef2);
+    requirements.add(reqMap2);
+    nodeType.setRequirements(requirements);
+
+    String yamlString = new YamlUtil().objectToYaml(nodeType);
+    Boolean passResult = !yamlString.contains("&") && !yamlString.contains("*");
+    Assert.assertEquals(true, passResult);
+  }
+
+
+}
\ No newline at end of file
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/test/java/org/openecomp/sdc/tosca/services/DataModelUtilTest.java b/openecomp-be/lib/openecomp-tosca-lib/src/test/java/org/openecomp/sdc/tosca/services/DataModelUtilTest.java
new file mode 100644
index 0000000000..893f7a1a5e
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/test/java/org/openecomp/sdc/tosca/services/DataModelUtilTest.java
@@ -0,0 +1,104 @@
+package org.openecomp.sdc.tosca.services;
+
+import org.openecomp.sdc.common.errors.CoreException;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+import org.junit.runner.RunWith;
+import org.mockito.runners.MockitoJUnitRunner;
+import org.openecomp.sdc.tosca.datatypes.model.GroupDefinition;
+import org.openecomp.sdc.tosca.datatypes.model.NodeTemplate;
+import org.openecomp.sdc.tosca.datatypes.model.NodeType;
+import org.openecomp.sdc.tosca.datatypes.model.PolicyDefinition;
+import org.openecomp.sdc.tosca.datatypes.model.RelationshipTemplate;
+import org.openecomp.sdc.tosca.datatypes.model.RequirementAssignment;
+import org.openecomp.sdc.tosca.datatypes.model.SubstitutionMapping;
+
+import java.util.ArrayList;
+
+@RunWith(MockitoJUnitRunner.class)
+public class DataModelUtilTest {
+
+  @Rule
+  public ExpectedException thrown = ExpectedException.none();
+
+  @Test
+  public void testAddSubstitutionMapping() throws Exception {
+    thrown.expect(CoreException.class);
+    thrown.expectMessage(
+        "Invalid action, can't add 'Substitution Mapping' to 'Service Template', 'Service Template' entity is NULL.");
+    DataModelUtil.addSubstitutionMapping(null, new SubstitutionMapping());
+  }
+
+  @Test
+  public void testAddSubstitutionMappingReq() throws Exception {
+    thrown.expect(CoreException.class);
+    thrown.expectMessage(
+        "Invalid action, can't add 'Substitution Mapping Requirements' to 'Service Template', 'Service Template' entity is NULL.");
+    DataModelUtil.addSubstitutionMappingReq(null, "123", new ArrayList<>());
+  }
+
+  @Test
+  public void testAddNodeTemplate() throws Exception {
+    thrown.expect(CoreException.class);
+    thrown.expectMessage(
+        "Invalid action, can't add 'Node Template' to 'Service Template', 'Service Template' entity is NULL.");
+    DataModelUtil.addNodeTemplate(null, "123", new NodeTemplate());
+  }
+
+  @Test
+  public void testAddPolicyDefinition() throws Exception {
+    thrown.expect(CoreException.class);
+    thrown.expectMessage(
+        "Invalid action, can't add 'Policy Definition' to 'Service Template', 'Service Template' entity is NULL.");
+    DataModelUtil.addPolicyDefinition(null, "123", new PolicyDefinition());
+  }
+
+  @Test
+  public void testAddNodeType() throws Exception {
+    thrown.expect(CoreException.class);
+    thrown.expectMessage(
+        "Invalid action, can't add 'Node Type' to 'Service Template', 'Service Template' entity is NULL.");
+    DataModelUtil.addNodeType(null, "123", new NodeType());
+  }
+
+  @Test
+  public void testAddRelationshipTemplate() throws Exception {
+    thrown.expect(CoreException.class);
+    thrown.expectMessage(
+        "Invalid action, can't add 'Relationship Template' to 'Service Template', 'Service Template' entity is NULL.");
+    DataModelUtil.addRelationshipTemplate(null, "123", new RelationshipTemplate());
+  }
+
+  @Test
+  public void testAddRequirementAssignment() throws Exception {
+    thrown.expect(CoreException.class);
+    thrown.expectMessage(
+        "Invalid action, can't add 'Requirement Assignment' to 'Node Template', 'Node Template' entity is NULL.");
+    DataModelUtil.addRequirementAssignment(null, "123", new RequirementAssignment());
+  }
+
+  @Test
+  public void testGetNodeTemplate() throws Exception {
+    thrown.expect(CoreException.class);
+    thrown.expectMessage(
+        "Invalid action, can't add 'Node Template' to 'Service Template', 'Service Template' entity is NULL.");
+    DataModelUtil.addNodeTemplate(null, "123", new NodeTemplate());
+  }
+
+  @Test
+  public void testGetNodeType() throws Exception {
+    thrown.expect(CoreException.class);
+    thrown.expectMessage(
+        "Invalid action, can't add 'Node Type' to 'Service Template', 'Service Template' entity is NULL.");
+    DataModelUtil.addNodeType(null, "123", new NodeType());
+  }
+
+  @Test
+  public void testAddGroupToTopologyTemplate() throws Exception {
+    thrown.expect(CoreException.class);
+    thrown.expectMessage(
+        "Invalid action, can't add 'Group Definition' to 'Service Template', 'Service Template' entity is NULL.");
+    DataModelUtil.addGroupDefinitionToTopologyTemplate(null, "123", new GroupDefinition());
+  }
+}
\ No newline at end of file
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/test/java/org/openecomp/sdc/tosca/services/impl/ToscaAnalyzerServiceImplTest.java b/openecomp-be/lib/openecomp-tosca-lib/src/test/java/org/openecomp/sdc/tosca/services/impl/ToscaAnalyzerServiceImplTest.java
new file mode 100644
index 0000000000..47f0bd9aef
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/test/java/org/openecomp/sdc/tosca/services/impl/ToscaAnalyzerServiceImplTest.java
@@ -0,0 +1,472 @@
+package org.openecomp.sdc.tosca.services.impl;
+
+import org.openecomp.sdc.common.errors.CoreException;
+import org.openecomp.sdc.tosca.TestUtil;
+import org.openecomp.sdc.tosca.datatypes.ToscaNodeType;
+import org.openecomp.sdc.tosca.datatypes.ToscaServiceModel;
+import org.openecomp.sdc.tosca.services.ToscaAnalyzerService;
+import org.openecomp.sdc.tosca.services.ToscaConstants;
+import org.openecomp.sdc.tosca.services.yamlutil.ToscaExtensionYamlUtil;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.mockito.runners.MockitoJUnitRunner;
+import org.openecomp.sdc.tosca.datatypes.model.Import;
+import org.openecomp.sdc.tosca.datatypes.model.NodeTemplate;
+import org.openecomp.sdc.tosca.datatypes.model.NodeType;
+import org.openecomp.sdc.tosca.datatypes.model.RequirementAssignment;
+import org.openecomp.sdc.tosca.datatypes.model.ServiceTemplate;
+import org.openecomp.sdc.tosca.datatypes.model.SubstitutionMapping;
+import org.openecomp.sdc.tosca.datatypes.model.TopologyTemplate;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+
+import static org.junit.Assert.*;
+import static org.mockito.Mockito.when;
+
+@RunWith(MockitoJUnitRunner.class)
+public class ToscaAnalyzerServiceImplTest {
+    /*
+    Dictionary:
+    SrvTmp: ServiceTemplate
+    NdTmp: NodeTemplate
+    NdTy: NodeType
+    */
+
+  private static ToscaAnalyzerService toscaAnalyzerService;
+  private static ToscaServiceModel toscaServiceModel;
+  @Rule
+  public ExpectedException thrown = ExpectedException.none();
+
+  @Mock
+  NodeTemplate nodeTemplateMock;
+  @Mock
+  ToscaServiceModel toscaServiceModelMock;
+
+  @BeforeClass
+  public static void onlyOnceSetUp() throws IOException {
+    toscaAnalyzerService = new ToscaAnalyzerServiceImpl();
+    toscaServiceModel = TestUtil.loadToscaServiceModel("/mock/analyzerService/toscasubstitution/",
+        "/mock/globalServiceTemplates/", null);
+  }
+
+  @Before
+  public void init() throws IOException {
+    MockitoAnnotations.initMocks(this);
+  }
+
+  @Test
+  public void testGetRequirements() throws Exception {
+    ToscaExtensionYamlUtil toscaExtensionYamlUtil = new ToscaExtensionYamlUtil();
+    InputStream yamlFile = toscaExtensionYamlUtil
+        .loadYamlFileIs("/mock/analyzerService/NestedServiceTemplateReqTest.yaml");
+    ServiceTemplate serviceTemplateFromYaml =
+        toscaExtensionYamlUtil.yamlToObject(yamlFile, ServiceTemplate.class);
+
+    NodeTemplate port_0 =
+        serviceTemplateFromYaml.getTopology_template().getNode_templates().get("cmaui_port_0");
+    List<RequirementAssignment> reqList =
+        toscaAnalyzerService.getRequirements(port_0, ToscaConstants.BINDING_REQUIREMENT_ID);
+    assertEquals(1, reqList.size());
+
+    reqList.clear();
+    NodeTemplate port_1 =
+        serviceTemplateFromYaml.getTopology_template().getNode_templates().get("cmaui1_port_1");
+    reqList = toscaAnalyzerService.getRequirements(port_1, ToscaConstants.LINK_REQUIREMENT_ID);
+    assertEquals(2, reqList.size());
+
+    reqList.clear();
+    reqList = toscaAnalyzerService.getRequirements(port_0, ToscaConstants.LINK_REQUIREMENT_ID);
+    assertEquals(0, reqList.size());
+  }
+
+  @Test
+  public void testGetNodeTemplateById() throws Exception {
+    ServiceTemplate emptyServiceTemplate = new ServiceTemplate();
+    Optional<NodeTemplate> nodeTemplate =
+        toscaAnalyzerService.getNodeTemplateById(emptyServiceTemplate, "test_net222");
+    assertEquals(false, nodeTemplate.isPresent());
+
+    ServiceTemplate mainServiceTemplate = toscaServiceModel.getServiceTemplates()
+        .get(toscaServiceModel.getEntryDefinitionServiceTemplate());
+    nodeTemplate = toscaAnalyzerService.getNodeTemplateById(mainServiceTemplate, "test_net");
+    assertEquals(true, nodeTemplate.isPresent());
+
+    nodeTemplate = toscaAnalyzerService.getNodeTemplateById(mainServiceTemplate, "test_net222");
+    assertEquals(false, nodeTemplate.isPresent());
+  }
+
+  @Test
+  public void testGetSubstituteServiceTemplateName() throws Exception {
+    thrown.expect(CoreException.class);
+    thrown.expectMessage(
+        "Invalid Substitute Node Template invalid2, mandatory map property service_template_filter with mandatory key substitute_service_template must be defined.");
+
+    ServiceTemplate mainServiceTemplate = toscaServiceModel.getServiceTemplates()
+        .get(toscaServiceModel.getEntryDefinitionServiceTemplate());
+    Optional<NodeTemplate> notSubstitutableNodeTemplate =
+        toscaAnalyzerService.getNodeTemplateById(mainServiceTemplate, "test_net");
+    Optional<String> substituteServiceTemplateName = toscaAnalyzerService
+        .getSubstituteServiceTemplateName("test_net", notSubstitutableNodeTemplate.get());
+    assertEquals(false, substituteServiceTemplateName.isPresent());
+
+    Optional<NodeTemplate> substitutableNodeTemplate =
+        toscaAnalyzerService.getNodeTemplateById(mainServiceTemplate, "test_nested");
+    substituteServiceTemplateName = toscaAnalyzerService
+        .getSubstituteServiceTemplateName("test_nested", substitutableNodeTemplate.get());
+    assertEquals(true, substituteServiceTemplateName.isPresent());
+    assertEquals("nestedServiceTemplate.yaml", substituteServiceTemplateName.get());
+
+    NodeTemplate invalidSubstitutableNodeTemplate1 = new NodeTemplate();
+    substituteServiceTemplateName = toscaAnalyzerService
+        .getSubstituteServiceTemplateName("invalid1", invalidSubstitutableNodeTemplate1);
+    assertEquals(false, substituteServiceTemplateName.isPresent());
+
+
+    NodeTemplate invalidSubstitutableNodeTemplate2 = substitutableNodeTemplate.get();
+    Object serviceTemplateFilter = invalidSubstitutableNodeTemplate2.getProperties()
+        .get(ToscaConstants.SERVICE_TEMPLATE_FILTER_PROPERTY_NAME);
+    ((Map) serviceTemplateFilter).clear();
+    toscaAnalyzerService
+        .getSubstituteServiceTemplateName("invalid2", invalidSubstitutableNodeTemplate2);
+
+
+  }
+
+
+  @Test
+  public void testGetSubstitutableNodeTemplates() throws Exception {
+    ToscaExtensionYamlUtil toscaExtensionYamlUtil = new ToscaExtensionYamlUtil();
+    InputStream yamlFile = toscaExtensionYamlUtil
+        .loadYamlFileIs("/mock/analyzerService/ServiceTemplateSubstituteTest.yaml");
+    ServiceTemplate serviceTemplateFromYaml =
+        toscaExtensionYamlUtil.yamlToObject(yamlFile, ServiceTemplate.class);
+
+    Map<String, NodeTemplate> substitutableNodeTemplates =
+        toscaAnalyzerService.getSubstitutableNodeTemplates(serviceTemplateFromYaml);
+    assertEquals(2, substitutableNodeTemplates.size());
+    assertNotNull(substitutableNodeTemplates.get("test_nested1"));
+    assertNotNull(substitutableNodeTemplates.get("test_nested2"));
+
+    ServiceTemplate emptyServiceTemplate = new ServiceTemplate();
+    emptyServiceTemplate.setTopology_template(new TopologyTemplate());
+    substitutableNodeTemplates =
+        toscaAnalyzerService.getSubstitutableNodeTemplates(emptyServiceTemplate);
+    assertEquals(0, substitutableNodeTemplates.size());
+
+    yamlFile = toscaExtensionYamlUtil
+        .loadYamlFileIs("/mock/analyzerService/NestedServiceTemplateReqTest.yaml");
+    serviceTemplateFromYaml = toscaExtensionYamlUtil.yamlToObject(yamlFile, ServiceTemplate.class);
+    substitutableNodeTemplates =
+        toscaAnalyzerService.getSubstitutableNodeTemplates(serviceTemplateFromYaml);
+    assertEquals(0, substitutableNodeTemplates.size());
+  }
+
+  @Test
+  public void testGetSubstitutionMappedNodeTemplateByExposedReq() throws Exception {
+    thrown.expect(CoreException.class);
+    thrown.expectMessage(
+        "Invalid Tosca model data, missing 'Node Template' entry for 'Node Template' id cmaui_port_9");
+    ToscaExtensionYamlUtil toscaExtensionYamlUtil = new ToscaExtensionYamlUtil();
+    InputStream yamlFile = toscaExtensionYamlUtil
+        .loadYamlFileIs("/mock/analyzerService/NestedServiceTemplateReqTest.yaml");
+    ServiceTemplate nestedServiceTemplateFromYaml =
+        toscaExtensionYamlUtil.yamlToObject(yamlFile, ServiceTemplate.class);
+
+    Optional<Map.Entry<String, NodeTemplate>> mappedNodeTemplate = toscaAnalyzerService
+        .getSubstitutionMappedNodeTemplateByExposedReq("NestedServiceTemplateSubstituteTest.yaml",
+            nestedServiceTemplateFromYaml, "local_storage_server_cmaui");
+    assertEquals("server_cmaui", mappedNodeTemplate.get().getKey());
+    assertNotNull(mappedNodeTemplate.get().getValue());
+
+    mappedNodeTemplate = toscaAnalyzerService
+        .getSubstitutionMappedNodeTemplateByExposedReq("NestedServiceTemplateSubstituteTest.yaml",
+            nestedServiceTemplateFromYaml, "link_cmaui_port_invalid");
+    assertEquals("server_cmaui", mappedNodeTemplate.get().getKey());
+    assertNotNull(mappedNodeTemplate.get().getValue());
+
+    ServiceTemplate mainServiceTemplate = toscaServiceModel.getServiceTemplates()
+        .get(toscaServiceModel.getEntryDefinitionServiceTemplate());
+    mappedNodeTemplate = toscaAnalyzerService.getSubstitutionMappedNodeTemplateByExposedReq(
+        toscaServiceModel.getEntryDefinitionServiceTemplate(), mainServiceTemplate,
+        "local_storage_server_cmaui");
+    assertEquals(false, mappedNodeTemplate.isPresent());
+  }
+
+  @Test
+  public void invalidSubstitutableMapping() throws Exception {
+    thrown.expect(CoreException.class);
+    thrown.expectMessage(
+        "Invalid Substitution Service Template invalidMappingServiceTemplate.yaml, missing mandatory file 'Node type' in substitution mapping.");
+    ServiceTemplate invalidMappingServiceTemplate = new ServiceTemplate();
+    invalidMappingServiceTemplate.setTopology_template(new TopologyTemplate());
+    invalidMappingServiceTemplate.getTopology_template()
+        .setSubstitution_mappings(new SubstitutionMapping());
+    toscaAnalyzerService
+        .getSubstitutionMappedNodeTemplateByExposedReq("invalidMappingServiceTemplate.yaml",
+            invalidMappingServiceTemplate, "local_storage_server_cmaui");
+  }
+
+  @Test
+  public void substitutableMappingWithNoReqMap() throws Exception {
+    ServiceTemplate mainServiceTemplate = toscaServiceModel.getServiceTemplates()
+        .get(toscaServiceModel.getEntryDefinitionServiceTemplate());
+    ServiceTemplate emptyReqMapping = new ServiceTemplate();
+    emptyReqMapping.setTopology_template(new TopologyTemplate());
+    emptyReqMapping.getTopology_template().setSubstitution_mappings(new SubstitutionMapping());
+    emptyReqMapping.getTopology_template().getSubstitution_mappings().setNode_type("temp");
+    Optional<Map.Entry<String, NodeTemplate>> mappedNodeTemplate = toscaAnalyzerService
+        .getSubstitutionMappedNodeTemplateByExposedReq(
+            toscaServiceModel.getEntryDefinitionServiceTemplate(), mainServiceTemplate,
+            "local_storage_server_cmaui");
+    assertEquals(false, mappedNodeTemplate.isPresent());
+  }
+
+  @Test
+  public void testGetSubstitutionMappedNodeTemplateByExposedReqInvalid() throws Exception {
+    thrown.expect(CoreException.class);
+    thrown.expectMessage(
+        "Invalid Tosca model data, missing 'Node Template' entry for 'Node Template' id cmaui_port_9");
+    ToscaExtensionYamlUtil toscaExtensionYamlUtil = new ToscaExtensionYamlUtil();
+    InputStream yamlFile = toscaExtensionYamlUtil
+        .loadYamlFileIs("/mock/analyzerService/NestedServiceTemplateReqTest.yaml");
+    ServiceTemplate nestedServiceTemplateFromYaml =
+        toscaExtensionYamlUtil.yamlToObject(yamlFile, ServiceTemplate.class);
+
+    toscaAnalyzerService
+        .getSubstitutionMappedNodeTemplateByExposedReq("NestedServiceTemplateSubstituteTest.yaml",
+            nestedServiceTemplateFromYaml, "link_cmaui_port_invalid");
+  }
+
+  @Test
+  public void testIsDesiredRequirementAssignmentMatch() throws Exception {
+
+    RequirementAssignment requirementAssignment = new RequirementAssignment();
+    String capability = "Test.Capability";
+    String node = "Test.node";
+    String relationship = "Test.relationship";
+    requirementAssignment.setCapability(capability);
+    requirementAssignment.setNode(node);
+    requirementAssignment.setRelationship(relationship);
+
+    assertEquals(true, toscaAnalyzerService
+        .isDesiredRequirementAssignment(requirementAssignment, capability, node, relationship));
+    assertEquals(true, toscaAnalyzerService
+        .isDesiredRequirementAssignment(requirementAssignment, null, node, relationship));
+    assertEquals(true, toscaAnalyzerService
+        .isDesiredRequirementAssignment(requirementAssignment, capability, null, relationship));
+    assertEquals(true, toscaAnalyzerService
+        .isDesiredRequirementAssignment(requirementAssignment, capability, node, null));
+    assertEquals(true, toscaAnalyzerService
+        .isDesiredRequirementAssignment(requirementAssignment, null, null, relationship));
+    assertEquals(true, toscaAnalyzerService
+        .isDesiredRequirementAssignment(requirementAssignment, capability, null, null));
+    assertEquals(true, toscaAnalyzerService
+        .isDesiredRequirementAssignment(requirementAssignment, null, node, null));
+
+  }
+
+  @Test
+  public void testIsDesiredRequirementAssignmentNoMatch() throws Exception {
+
+    RequirementAssignment requirementAssignment = new RequirementAssignment();
+    String capability = "Test.Capability";
+    String node = "Test.node";
+    String relationship = "Test.relationship";
+    requirementAssignment.setCapability(capability);
+    requirementAssignment.setNode(node);
+    requirementAssignment.setRelationship(relationship);
+
+    assertEquals(false, toscaAnalyzerService
+        .isDesiredRequirementAssignment(requirementAssignment, "no", node, relationship));
+    assertEquals(false, toscaAnalyzerService
+        .isDesiredRequirementAssignment(requirementAssignment, "no", "no", relationship));
+    assertEquals(false, toscaAnalyzerService
+        .isDesiredRequirementAssignment(requirementAssignment, "no", "no", "no"));
+    assertEquals(false, toscaAnalyzerService
+        .isDesiredRequirementAssignment(requirementAssignment, capability, "no", relationship));
+    assertEquals(false, toscaAnalyzerService
+        .isDesiredRequirementAssignment(requirementAssignment, capability, node, "no"));
+    assertEquals(false, toscaAnalyzerService
+        .isDesiredRequirementAssignment(requirementAssignment, capability, "no", "no"));
+    assertEquals(false, toscaAnalyzerService
+        .isDesiredRequirementAssignment(requirementAssignment, "no", null, null));
+    assertEquals(false, toscaAnalyzerService
+        .isDesiredRequirementAssignment(requirementAssignment, null, null, null));
+
+
+  }
+
+  @Test
+  public void shouldReturnFalseIfNdTmpIsNull() {
+    assertFalse(toscaAnalyzerService
+        .isTypeOf(null, ToscaNodeType.NETWORK.getDisplayName(), new ServiceTemplate(),
+            toscaServiceModelMock));
+  }
+
+  @Test
+  public void shouldReturnTrueIfNdTmpTypeIsOfRequestedType() {
+    NodeTemplate nodeTemplate = new NodeTemplate();
+    ToscaNodeType nodeTypeToSearch = ToscaNodeType.BLOCK_STORAGE;
+    nodeTemplate.setType(nodeTypeToSearch.getDisplayName());
+    assertTrue(toscaAnalyzerService
+        .isTypeOf(nodeTemplate, nodeTypeToSearch.getDisplayName(), new ServiceTemplate(),
+            toscaServiceModelMock));
+  }
+
+  @Test
+  public void shouldReturnTrueIfNdTmpTypeIsFoundInSrvTmpNdTyAndNdTyDerivedFromRequestedType() {
+    String typeToMatch = ToscaNodeType.CINDER_VOLUME.getDisplayName();
+    when(nodeTemplateMock.getType()).thenReturn(typeToMatch);
+    Map<String, NodeType> stNodeTypes = new HashMap<>();
+    addNodeType(stNodeTypes, ToscaNodeType.COMPUTE.getDisplayName(), new NodeType());
+    NodeType nodeType = createNodeType(ToscaNodeType.BLOCK_STORAGE.getDisplayName());
+    addNodeType(stNodeTypes, typeToMatch, nodeType);
+    ServiceTemplate serviceTemplate = new ServiceTemplate();
+    serviceTemplate.setNode_types(stNodeTypes);
+    assertTrue(toscaAnalyzerService
+        .isTypeOf(nodeTemplateMock, ToscaNodeType.BLOCK_STORAGE.getDisplayName(), serviceTemplate,
+            toscaServiceModelMock));
+
+  }
+
+  @Test
+  public void shouldThrowCoreExceptionForInvalidNodeType() {
+    thrown.expect(CoreException.class);
+    thrown.expectMessage(
+        "NodeType 'AAA' or one of its derivedFrom node type hierarchy, is not defined in tosca service model");
+    when(nodeTemplateMock.getType()).thenReturn("AAA");
+    Map<String, NodeType> stNodeTypes = new HashMap<>();
+    addNodeType(stNodeTypes, "notImportant", new NodeType());
+    ServiceTemplate serviceTemplate = new ServiceTemplate();
+    serviceTemplate.setNode_types(stNodeTypes);
+    toscaAnalyzerService
+        .isTypeOf(nodeTemplateMock, ToscaNodeType.COMPUTE.getDisplayName(), serviceTemplate,
+            toscaServiceModelMock);
+  }
+
+  @Test
+  public void shouldThrowCoreExceptionForInvalidNodeType2Level() {
+    thrown.expect(CoreException.class);
+    thrown.expectMessage(
+        "NodeType 'A' or one of its derivedFrom node type hierarchy, is not defined in tosca service model");
+    String typeToMatch = "A";
+    when(nodeTemplateMock.getType()).thenReturn(typeToMatch);
+    Map<String, NodeType> stNodeTypes = new HashMap<>();
+    addNodeType(stNodeTypes, "notImportant", new NodeType());
+    addNodeType(stNodeTypes, "A", createNodeType("ADerivedFromB"));
+    addNodeType(stNodeTypes, "ADerivedFromB'", createNodeType("BDerivedFromC"));
+    ServiceTemplate serviceTemplate = new ServiceTemplate();
+    serviceTemplate.setNode_types(stNodeTypes);
+    assertTrue(toscaAnalyzerService
+        .isTypeOf(nodeTemplateMock, "BDerivedFromC", serviceTemplate, toscaServiceModelMock));
+  }
+
+  @Test
+  public void shouldReturnTrueIfNdTmpTypeIsFoundInSrvTmpNdTyAndNotDerivedFromRequestedTypeBut2ndLevelDerivedFromMatch() {
+    String typeToMatch = "A";
+    when(nodeTemplateMock.getType()).thenReturn(typeToMatch);
+    Map<String, NodeType> stNodeTypes = new HashMap<>();
+    addNodeType(stNodeTypes, "notImportant", new NodeType());
+    addNodeType(stNodeTypes, "A", createNodeType("ADerivedFromB"));
+    addNodeType(stNodeTypes, "ADerivedFromB", createNodeType("BDerivedFromC"));
+    ServiceTemplate serviceTemplate = new ServiceTemplate();
+    serviceTemplate.setNode_types(stNodeTypes);
+    assertTrue(toscaAnalyzerService
+        .isTypeOf(nodeTemplateMock, "BDerivedFromC", serviceTemplate, toscaServiceModelMock));
+  }
+
+  private NodeType createNodeType(String derivedFrom) {
+    NodeType nodeType = new NodeType();
+    nodeType.setDerived_from(derivedFrom);
+    return nodeType;
+  }
+
+  private void addNodeType(Map<String, NodeType> stNodeTypes, String key, NodeType nodeType) {
+    stNodeTypes.put(key, nodeType);
+  }
+
+  @Test
+  public void shouldReturnTrueIfNdTmpTypeIsFoundInSrvTmpNdTyButRequestedTypeNotMatchButFoundIn1stLevelImports() {
+    String typeToMatch = ToscaNodeType.CINDER_VOLUME.getDisplayName();
+    when(nodeTemplateMock.getType()).thenReturn(typeToMatch);
+    ServiceTemplate mainST = new ServiceTemplate();
+    Map<String, Import> imports = new HashMap<>();
+    Import anImport = new Import();
+    anImport.setFile("mainImport");
+    imports.put("bla bla", anImport);
+    mainST.setImports(imports);
+
+    //create searchable service template
+    Map<String, NodeType> stNodeTypes = new HashMap<>();
+    addNodeType(stNodeTypes, ToscaNodeType.COMPUTE.getDisplayName(), new NodeType());
+    NodeType nodeType = createNodeType(ToscaNodeType.BLOCK_STORAGE.getDisplayName());
+    addNodeType(stNodeTypes, typeToMatch, nodeType);
+    ServiceTemplate serviceTemplate = new ServiceTemplate();
+    serviceTemplate.setNode_types(stNodeTypes);
+
+    // add service templates to tosca service model
+    Map<String, ServiceTemplate> serviceTemplates = toscaServiceModelMock.getServiceTemplates();
+    serviceTemplates.put("testMainServiceTemplate", mainST);
+    serviceTemplates.put("mainImport", serviceTemplate);
+    when(toscaServiceModelMock.getServiceTemplates()).thenReturn(serviceTemplates);
+
+    assertTrue(toscaAnalyzerService
+        .isTypeOf(nodeTemplateMock, ToscaNodeType.BLOCK_STORAGE.getDisplayName(), mainST,
+            toscaServiceModelMock));
+  }
+
+  @Test
+  public void shouldReturnTrueIfNdTmpTypeIsFoundInSrvTmpNdTyButRequestedTypeNotMatchButFoundIn2ndLevelImports() {
+    String typeToMatch = ToscaNodeType.CINDER_VOLUME.getDisplayName();
+    when(nodeTemplateMock.getType()).thenReturn(typeToMatch);
+    ServiceTemplate mainST = new ServiceTemplate();
+    Map<String, Import> imports = new HashMap<>();
+    Import anImport = new Import();
+    anImport.setFile("refToMainImport");
+    imports.put("bla bla", anImport);
+    mainST.setImports(imports);
+
+    //create searchable service template
+    Map<String, NodeType> stNodeTypes = new HashMap<>();
+    addNodeType(stNodeTypes, ToscaNodeType.COMPUTE.getDisplayName(), new NodeType());
+    NodeType nodeType = createNodeType(ToscaNodeType.BLOCK_STORAGE.getDisplayName());
+    addNodeType(stNodeTypes, typeToMatch, nodeType);
+    ServiceTemplate serviceTemplate = new ServiceTemplate();
+    serviceTemplate.setNode_types(stNodeTypes);
+
+    // create 1st level service template with import only
+    ServiceTemplate firstLevelST = new ServiceTemplate();
+    Map<String, Import> firstLevelImports = new HashMap<>();
+    Import firstLevelImport = new Import();
+    firstLevelImport.setFile("mainImport");
+    firstLevelImports.put("bla bla 2", firstLevelImport);
+
+    firstLevelST.setImports(firstLevelImports);
+
+    // add service templates to tosca service model
+    Map<String, ServiceTemplate> serviceTemplates = toscaServiceModelMock.getServiceTemplates();
+    serviceTemplates.put("testMainServiceTemplate", mainST);
+    serviceTemplates.put("refToMainImport", firstLevelST);
+    serviceTemplates.put("mainImport", serviceTemplate);
+    when(toscaServiceModelMock.getServiceTemplates()).thenReturn(serviceTemplates);
+
+    assertTrue(toscaAnalyzerService
+        .isTypeOf(nodeTemplateMock, ToscaNodeType.BLOCK_STORAGE.getDisplayName(), mainST,
+            toscaServiceModelMock));
+  }
+
+  // not found at all should throw core exception
+
+
+}
\ No newline at end of file
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/test/java/org/openecomp/sdc/tosca/services/impl/ToscaFileOutputServiceCsarImplTest.java b/openecomp-be/lib/openecomp-tosca-lib/src/test/java/org/openecomp/sdc/tosca/services/impl/ToscaFileOutputServiceCsarImplTest.java
new file mode 100644
index 0000000000..963b8a6f57
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/test/java/org/openecomp/sdc/tosca/services/impl/ToscaFileOutputServiceCsarImplTest.java
@@ -0,0 +1,150 @@
+package org.openecomp.sdc.tosca.services.impl;
+
+import org.openecomp.sdc.tosca.datatypes.ToscaServiceModel;
+import org.openecomp.sdc.tosca.datatypes.model.Metadata;
+import org.openecomp.sdc.tosca.datatypes.model.ServiceTemplate;
+import org.openecomp.sdc.tosca.services.ToscaUtil;
+import org.openecomp.core.utilities.file.FileContentHandler;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.Enumeration;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipFile;
+
+public class ToscaFileOutputServiceCsarImplTest {
+
+  private ToscaFileOutputServiceCsarImpl toscaFileOutputServiceCsarImpl =
+      new ToscaFileOutputServiceCsarImpl();
+
+  @Test
+  public void testCreationMetaFile() {
+    String createdMeta = toscaFileOutputServiceCsarImpl.createMetaFile("entryFile.yaml");
+    String expectedMeta =
+        "TOSCA-Meta-File-Version: 1.0\n" +
+            "CSAR-Version: 1.1\n" +
+            "Created-By: ASDC Onboarding portal\n" +
+            "Entry-Definitions: Definitions" + File.separator + "entryFile.yaml";
+    Assert.assertEquals(createdMeta.replaceAll("\\s+", ""), expectedMeta.replaceAll("\\s+", ""));
+  }
+
+  @Test
+  public void testCSARFileCreationWithExternalArtifacts() throws IOException {
+    ServiceTemplate mainServiceTemplate = new ServiceTemplate();
+    Metadata metadata1 = new Metadata();
+    metadata1.setTemplate_author("OPENECOMP");
+    metadata1.setTemplate_name("ST1");
+    metadata1.setTemplate_version("1.0.0");
+    mainServiceTemplate.setTosca_definitions_version("tosca_simple_yaml_1_0_0");
+    mainServiceTemplate.setDescription("testing desc tosca service template");
+    mainServiceTemplate.setMetadata(metadata1);
+
+    ServiceTemplate additionalServiceTemplate = new ServiceTemplate();
+    Metadata metadata2 = new Metadata();
+    metadata2.setTemplate_author("OPENECOMP");
+    metadata2.setTemplate_name("ST2");
+    metadata2.setTemplate_version("1.0.0");
+    additionalServiceTemplate.setTosca_definitions_version("tosca_simple_yaml_1_0_0");
+    additionalServiceTemplate.setDescription("testing desc tosca service template");
+    additionalServiceTemplate.setMetadata(metadata2);
+
+    Map<String, ServiceTemplate> definitionsInput = new HashMap<>();
+    definitionsInput
+        .put(ToscaUtil.getServiceTemplateFileName(mainServiceTemplate), mainServiceTemplate);
+    definitionsInput.put(ToscaUtil.getServiceTemplateFileName(additionalServiceTemplate),
+        additionalServiceTemplate);
+
+
+    Map<String, byte[]> dummyHeatArtifacts = new HashMap<>();
+    String file1Content = "this is file number 1";
+    String file2Content = "this is file number 2";
+    String file1 = "file1.xml";
+    dummyHeatArtifacts.put(file1, file1Content.getBytes());
+    String file2 = "file2.yml";
+    dummyHeatArtifacts.put(file2, file2Content.getBytes());
+
+
+    FileContentHandler heatFiles = new FileContentHandler();
+    heatFiles.putAll(dummyHeatArtifacts);
+    Map<String, byte[]> licenseArtifacts = new HashMap<>();
+
+    FileContentHandler licenseArtifactsFiles = new FileContentHandler();
+
+    licenseArtifacts.put(
+        ToscaFileOutputServiceCsarImpl.EXTERNAL_ARTIFACTS_FOLDER_NAME + File.separator +
+            "license-file-1.xml", file1Content.getBytes());
+    licenseArtifacts.put(
+        ToscaFileOutputServiceCsarImpl.EXTERNAL_ARTIFACTS_FOLDER_NAME + File.separator +
+            "license-file-2.xml", file1Content.getBytes());
+
+    licenseArtifactsFiles.putAll(licenseArtifacts);
+
+    byte[] csarFile = toscaFileOutputServiceCsarImpl.createOutputFile(
+        new ToscaServiceModel(heatFiles, definitionsInput,
+            ToscaUtil.getServiceTemplateFileName(mainServiceTemplate)), licenseArtifactsFiles);
+
+    String resultFileName = "resultFile.zip";
+    File file = new File(resultFileName);
+    FileOutputStream fos = new FileOutputStream(file);
+    fos.write(csarFile);
+    fos.close();
+
+    ZipFile zipFile = new ZipFile(resultFileName);
+
+    Enumeration<? extends ZipEntry> entries = zipFile.entries();
+
+    int count = 0;
+    while (entries.hasMoreElements()) {
+      count++;
+      entries.nextElement();
+    }
+    Assert.assertEquals(7, count);
+    zipFile.close();
+    Files.delete(Paths.get(file.getPath()));
+  }
+
+  @Test
+  public void testCSARFileCreation_noArtifacts() throws IOException {
+    ServiceTemplate serviceTemplate = new ServiceTemplate();
+    Metadata metadata = new Metadata();
+    metadata.setTemplate_author("OPENECOMP");
+    metadata.setTemplate_name("Test");
+    metadata.setTemplate_version("1.0.0");
+    serviceTemplate.setTosca_definitions_version("tosca_simple_yaml_1_0_0");
+    serviceTemplate.setDescription("testing desc tosca service template");
+    serviceTemplate.setMetadata(metadata);
+    Map<String, ServiceTemplate> definitionsInput = new HashMap<>();
+    String serviceTemplateFileName = ToscaUtil.getServiceTemplateFileName(serviceTemplate);
+    definitionsInput.put(serviceTemplateFileName, serviceTemplate);
+    byte[] csarFile = toscaFileOutputServiceCsarImpl
+        .createOutputFile(new ToscaServiceModel(null, definitionsInput, serviceTemplateFileName),
+            null);
+
+
+    String resultFileName = "resultFile.zip";
+    File file = new File(resultFileName);
+    FileOutputStream fos = new FileOutputStream(file);
+    fos.write(csarFile);
+    fos.close();
+
+    ZipFile zipFile = new ZipFile(resultFileName);
+
+    Enumeration<? extends ZipEntry> entries = zipFile.entries();
+
+    int count = 0;
+    while (entries.hasMoreElements()) {
+      count++;
+      entries.nextElement();
+    }
+    Assert.assertEquals(2, count);
+    zipFile.close();
+    Files.delete(Paths.get(file.getPath()));
+  }
+}
\ No newline at end of file
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/analyzerService/NestedServiceTemplateReqTest.yaml b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/analyzerService/NestedServiceTemplateReqTest.yaml
new file mode 100644
index 0000000000..f64cb709f0
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/analyzerService/NestedServiceTemplateReqTest.yaml
@@ -0,0 +1,176 @@
+tosca_definitions_version: tosca_simple_yaml_1_0_0
+metadata:
+  template_name: nested
+imports:
+  NeutronPortGlobalTypes:
+    file: NeutronPortGlobalTypesServiceTemplate.yaml
+  NeutronNetGlobalTypes:
+    file: NeutronNetGlobalTypesServiceTemplate.yaml
+  CommonGlobalTypes:
+    file: CommonGlobalTypesServiceTemplate.yaml
+  CinderVolumeGlobalTypes:
+    file: CinderVolumeGlobalTypesServiceTemplate.yaml
+  ContrailNetworkRuleGlobalType:
+    file: ContrailNetworkRuleGlobalTypeServiceTemplate.yaml
+  NeutronSecurityRulesGlobalTypes:
+    file: NeutronSecurityRulesGlobalTypesServiceTemplate.yaml
+  NovaServerGlobalTypes:
+    file: NovaServerGlobalTypesServiceTemplate.yaml
+  ContrailVirtualNetworkGlobalType:
+    file: ContrailVirtualNetworkGlobalTypeServiceTemplate.yaml
+  AbstractSubstituteGlobalTypes:
+    file: AbstractSubstituteGlobalTypesServiceTemplate.yaml
+  nested:
+    file: GlobalSubstitutionTypesServiceTemplate.yaml
+node_types:
+  org.openecomp.resource.vfc.nodes.heat.cmaui_image:
+    derived_from: org.openecomp.resource.vfc.nodes.heat.nova.Server
+topology_template:
+  inputs:
+    cmaui_names:
+      hidden: false
+      immutable: false
+      type: list
+      description: CMAUI1, CMAUI2 server names
+      entry_schema:
+        type: String
+    p1:
+      hidden: false
+      immutable: false
+      type: string
+      description: UID of OAM network
+    cmaui_image:
+      hidden: false
+      immutable: false
+      type: string
+      description: Image for CMAUI server
+    cmaui_flavor:
+      hidden: false
+      immutable: false
+      type: string
+      description: Flavor for CMAUI server
+    security_group_name:
+      hidden: false
+      immutable: false
+      description: not impotrtant
+    availability_zone_0:
+      label: availabilityzone name
+      hidden: false
+      immutable: false
+      type: string
+      description: availabilityzone name
+  node_templates:
+    server_cmaui:
+      type: org.openecomp.resource.vfc.nodes.heat.cmaui_image
+      properties:
+        flavor:
+          get_input: cmaui_flavor
+        availability_zone:
+          get_input: availability_zone_0
+        image:
+          get_input: cmaui_image
+        name:
+          get_input:
+          - cmaui_names
+          - 0
+    cmaui_port_0:
+      type: org.openecomp.resource.cp.nodes.heat.network.neutron.Port
+      properties:
+        replacement_policy: AUTO
+        security_groups:
+        - get_input: security_group_name
+        fixed_ips:
+        - ip_address:
+            get_input:
+            - cmaui_oam_ips
+            - 0
+        network:
+          get_input: p1
+      requirements:
+      - binding:
+          capability: tosca.capabilities.network.Bindable
+          node: server_cmaui
+          relationship: tosca.relationships.network.BindsTo
+    cmaui1_port_1:
+          type: org.openecomp.resource.cp.nodes.heat.network.neutron.Port
+          properties:
+            replacement_policy: AUTO
+            security_groups:
+            - get_input: security_group_name
+            fixed_ips:
+            - subnet: subnetNameVal
+              ip_address:
+                get_input:
+                - cmaui_oam_ips
+                - 1
+            - subnet: subnetNameVal2
+              ip_address:
+                get_input:
+                - cmaui_oam_ips
+                - 1
+            network: jsa_net
+          requirements:
+          - link:
+              capability: tosca.capabilities.network.Linkable
+              node: jsa_net1
+              relationship: tosca.relationships.network.LinksTo
+          - link:
+              capability: tosca.capabilities.network.Linkable
+              node: jsa_net2
+              relationship: tosca.relationships.network.LinksTo
+          - binding:
+              capability: tosca.capabilities.network.Bindable
+              node: server_cmaui
+              relationship: tosca.relationships.network.BindsTo
+    jsa_net1:
+          type: org.openecomp.resource.vl.nodes.heat.network.neutron.Net
+          properties:
+            shared: true
+            network_name:
+              get_input: jsa_net_name
+    jsa_net2:
+              type: org.openecomp.resource.vl.nodes.heat.network.neutron.Net
+              properties:
+                shared: true
+                network_name:
+                  get_input: jsa_net_name
+  groups:
+    nested:
+      type: org.openecomp.groups.heat.HeatStack
+      properties:
+        heat_file: ../Artifacts/nested.yml
+        description: cmaui server template for vMMSC
+      members:
+      - server_cmaui
+      - cmaui_port_0
+  substitution_mappings:
+    node_type: org.openecomp.resource.abstract.nodes.heat.nested
+    capabilities:
+      host_server_cmaui:
+      - server_cmaui
+      - host
+      os_server_cmaui:
+      - server_cmaui
+      - os
+      endpoint_server_cmaui:
+      - server_cmaui
+      - endpoint
+      binding_server_cmaui:
+      - server_cmaui
+      - binding
+      scalable_server_cmaui:
+      - server_cmaui
+      - scalable
+      attachment_cmaui_port_0:
+      - cmaui_port_0
+      - attachment
+    requirements:
+      local_storage_server_cmaui:
+      - server_cmaui
+      - local_storage
+      link_cmaui_port_0:
+      - cmaui_port_0
+      - link
+      link_cmaui_port_invalid:
+      - cmaui_port_9
+      - link
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/analyzerService/ServiceTemplateSubstituteTest.yaml b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/analyzerService/ServiceTemplateSubstituteTest.yaml
new file mode 100644
index 0000000000..c4df76a1aa
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/analyzerService/ServiceTemplateSubstituteTest.yaml
@@ -0,0 +1,89 @@
+tosca_definitions_version: tosca_simple_yaml_1_0_0
+metadata:
+  template_name: Main
+imports:
+  NeutronPortGlobalTypes:
+    file: NeutronPortGlobalTypesServiceTemplate.yaml
+  NeutronNetGlobalTypes:
+    file: NeutronNetGlobalTypesServiceTemplate.yaml
+  CommonGlobalTypes:
+    file: CommonGlobalTypesServiceTemplate.yaml
+  CinderVolumeGlobalTypes:
+    file: CinderVolumeGlobalTypesServiceTemplate.yaml
+  ContrailNetworkRuleGlobalType:
+    file: ContrailNetworkRuleGlobalTypeServiceTemplate.yaml
+  NeutronSecurityRulesGlobalTypes:
+    file: NeutronSecurityRulesGlobalTypesServiceTemplate.yaml
+  NovaServerGlobalTypes:
+    file: NovaServerGlobalTypesServiceTemplate.yaml
+  ContrailVirtualNetworkGlobalType:
+    file: ContrailVirtualNetworkGlobalTypeServiceTemplate.yaml
+  AbstractSubstituteGlobalTypes:
+    file: AbstractSubstituteGlobalTypesServiceTemplate.yaml
+topology_template:
+  inputs:
+    shared_network_id:
+      hidden: false
+      immutable: false
+      type: string
+      description: network name of jsa log network
+    jsa_net_name:
+      hidden: false
+      immutable: false
+      type: string
+      description: network name of jsa log network
+  node_templates:
+    test_net:
+      type: org.openecomp.resource.vl.nodes.heat.network.neutron.Net
+      properties:
+        shared: true
+        network_name:
+          get_input: jsa_net_name
+    test_nested1:
+      type: org.openecomp.resource.abstract.nodes.heat.nested
+      directives:
+      - substitutable
+      properties:
+        p1:
+          get_input: shared_network_id
+        service_template_filter:
+          substitute_service_template: nestedServiceTemplate.yaml
+      requirements:
+      - link_cmaui_port_0:
+          capability: tosca.capabilities.network.Linkable
+          node: test_net
+          relationship: tosca.relationships.network.LinksTo
+    test_nested2:
+      type: org.openecomp.resource.abstract.nodes.heat.nested
+      directives:
+      - substitutable
+      properties:
+        p1:
+          get_input: shared_network_id
+        service_template_filter:
+          substitute_service_template: nestedServiceTemplate.yaml
+      requirements:
+      - link_cmaui_port_0:
+          capability: tosca.capabilities.network.Linkable
+          node: test_net
+          relationship: tosca.relationships.network.LinksTo
+  groups:
+    addOn:
+      type: org.openecomp.groups.heat.HeatStack
+      properties:
+        heat_file: ../Artifacts/addOn.yml
+        description: |
+          Version 2.0 02-09-2016 (Authors: John Doe, user PROD)
+      members:
+      - test_nested
+    main:
+      type: org.openecomp.groups.heat.HeatStack
+      properties:
+        heat_file: ../Artifacts/main.yml
+        description: |
+          Version 2.0 02-09-2016 (Authors: John Doe, user PROD)
+      members:
+      - test_net
+  outputs:
+    shared_network_id:
+      value: test_net
\ No newline at end of file
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/analyzerService/toscasubstitution/MainServiceTemplate.yaml b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/analyzerService/toscasubstitution/MainServiceTemplate.yaml
new file mode 100644
index 0000000000..65b90ef5b1
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/analyzerService/toscasubstitution/MainServiceTemplate.yaml
@@ -0,0 +1,75 @@
+tosca_definitions_version: tosca_simple_yaml_1_0_0
+metadata:
+  template_name: Main
+imports:
+  NeutronPortGlobalTypes:
+    file: NeutronPortGlobalTypesServiceTemplate.yaml
+  NeutronNetGlobalTypes:
+    file: NeutronNetGlobalTypesServiceTemplate.yaml
+  CommonGlobalTypes:
+    file: CommonGlobalTypesServiceTemplate.yaml
+  CinderVolumeGlobalTypes:
+    file: CinderVolumeGlobalTypesServiceTemplate.yaml
+  ContrailNetworkRuleGlobalType:
+    file: ContrailNetworkRuleGlobalTypeServiceTemplate.yaml
+  NeutronSecurityRulesGlobalTypes:
+    file: NeutronSecurityRulesGlobalTypesServiceTemplate.yaml
+  NovaServerGlobalTypes:
+    file: NovaServerGlobalTypesServiceTemplate.yaml
+  ContrailVirtualNetworkGlobalType:
+    file: ContrailVirtualNetworkGlobalTypeServiceTemplate.yaml
+  AbstractSubstituteGlobalTypes:
+    file: AbstractSubstituteGlobalTypesServiceTemplate.yaml
+topology_template:
+  inputs:
+    shared_network_id:
+      hidden: false
+      immutable: false
+      type: string
+      description: network name of jsa log network
+    jsa_net_name:
+      hidden: false
+      immutable: false
+      type: string
+      description: network name of jsa log network
+  node_templates:
+    test_net:
+      type: org.openecomp.resource.vl.nodes.heat.network.neutron.Net
+      properties:
+        shared: true
+        network_name:
+          get_input: jsa_net_name
+    test_nested:
+      type: org.openecomp.resource.abstract.nodes.heat.nested
+      directives:
+      - substitutable
+      properties:
+        p1:
+          get_input: shared_network_id
+        service_template_filter:
+          substitute_service_template: nestedServiceTemplate.yaml
+      requirements:
+      - link_cmaui_port_0:
+          capability: tosca.capabilities.network.Linkable
+          node: test_net
+          relationship: tosca.relationships.network.LinksTo
+  groups:
+    addOn:
+      type: org.openecomp.groups.heat.HeatStack
+      properties:
+        heat_file: ../Artifacts/addOn.yml
+        description: |
+          Version 2.0 02-09-2016 (Authors: John Doe, user PROD)
+      members:
+      - test_nested
+    main:
+      type: org.openecomp.groups.heat.HeatStack
+      properties:
+        heat_file: ../Artifacts/main.yml
+        description: |
+          Version 2.0 02-09-2016 (Authors: John Doe, user PROD)
+      members:
+      - test_net
+  outputs:
+    shared_network_id:
+      value: test_net
\ No newline at end of file
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/analyzerService/toscasubstitution/nestedServiceTemplate.yaml b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/analyzerService/toscasubstitution/nestedServiceTemplate.yaml
new file mode 100644
index 0000000000..cd27e7ba1a
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/analyzerService/toscasubstitution/nestedServiceTemplate.yaml
@@ -0,0 +1,130 @@
+tosca_definitions_version: tosca_simple_yaml_1_0_0
+metadata:
+  template_name: nested
+imports:
+  NeutronPortGlobalTypes:
+    file: NeutronPortGlobalTypesServiceTemplate.yaml
+  NeutronNetGlobalTypes:
+    file: NeutronNetGlobalTypesServiceTemplate.yaml
+  CommonGlobalTypes:
+    file: CommonGlobalTypesServiceTemplate.yaml
+  CinderVolumeGlobalTypes:
+    file: CinderVolumeGlobalTypesServiceTemplate.yaml
+  ContrailNetworkRuleGlobalType:
+    file: ContrailNetworkRuleGlobalTypeServiceTemplate.yaml
+  NeutronSecurityRulesGlobalTypes:
+    file: NeutronSecurityRulesGlobalTypesServiceTemplate.yaml
+  NovaServerGlobalTypes:
+    file: NovaServerGlobalTypesServiceTemplate.yaml
+  ContrailVirtualNetworkGlobalType:
+    file: ContrailVirtualNetworkGlobalTypeServiceTemplate.yaml
+  AbstractSubstituteGlobalTypes:
+    file: AbstractSubstituteGlobalTypesServiceTemplate.yaml
+  nested:
+    file: GlobalSubstitutionTypesServiceTemplate.yaml
+node_types:
+  org.openecomp.resource.vfc.nodes.heat.cmaui_image:
+    derived_from: org.openecomp.resource.vfc.nodes.heat.nova.Server
+topology_template:
+  inputs:
+    cmaui_names:
+      hidden: false
+      immutable: false
+      type: list
+      description: CMAUI1, CMAUI2 server names
+      entry_schema:
+        type: String
+    p1:
+      hidden: false
+      immutable: false
+      type: string
+      description: UID of OAM network
+    cmaui_image:
+      hidden: false
+      immutable: false
+      type: string
+      description: Image for CMAUI server
+    cmaui_flavor:
+      hidden: false
+      immutable: false
+      type: string
+      description: Flavor for CMAUI server
+    security_group_name:
+      hidden: false
+      immutable: false
+      description: not impotrtant
+    availability_zone_0:
+      label: availabilityzone name
+      hidden: false
+      immutable: false
+      type: string
+      description: availabilityzone name
+  node_templates:
+    server_cmaui:
+      type: org.openecomp.resource.vfc.nodes.heat.cmaui_image
+      properties:
+        flavor:
+          get_input: cmaui_flavor
+        availability_zone:
+          get_input: availability_zone_0
+        image:
+          get_input: cmaui_image
+        name:
+          get_input:
+          - cmaui_names
+          - 0
+    cmaui_port_0:
+      type: org.openecomp.resource.cp.nodes.heat.network.neutron.Port
+      properties:
+        replacement_policy: AUTO
+        security_groups:
+        - get_input: security_group_name
+        fixed_ips:
+        - ip_address:
+            get_input:
+            - cmaui_oam_ips
+            - 0
+        network:
+          get_input: p1
+      requirements:
+      - binding:
+          capability: tosca.capabilities.network.Bindable
+          node: server_cmaui
+          relationship: tosca.relationships.network.BindsTo
+  groups:
+    nested:
+      type: org.openecomp.groups.heat.HeatStack
+      properties:
+        heat_file: ../Artifacts/nested.yml
+        description: cmaui server template for vMMSC
+      members:
+      - server_cmaui
+      - cmaui_port_0
+  substitution_mappings:
+    node_type: org.openecomp.resource.abstract.nodes.heat.nested
+    capabilities:
+      host_server_cmaui:
+      - server_cmaui
+      - host
+      os_server_cmaui:
+      - server_cmaui
+      - os
+      endpoint_server_cmaui:
+      - server_cmaui
+      - endpoint
+      binding_server_cmaui:
+      - server_cmaui
+      - binding
+      scalable_server_cmaui:
+      - server_cmaui
+      - scalable
+      attachment_cmaui_port_0:
+      - cmaui_port_0
+      - attachment
+    requirements:
+      local_storage_server_cmaui:
+      - server_cmaui
+      - local_storage
+      link_cmaui_port_0:
+      - cmaui_port_0
+      - link
\ No newline at end of file
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/globalServiceTemplates/AbstractSubstituteGlobalTypesServiceTemplate.yaml b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/globalServiceTemplates/AbstractSubstituteGlobalTypesServiceTemplate.yaml
new file mode 100644
index 0000000000..8813b0abf6
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/globalServiceTemplates/AbstractSubstituteGlobalTypesServiceTemplate.yaml
@@ -0,0 +1,47 @@
+tosca_definitions_version: tosca_simple_yaml_1_0_0
+metadata:
+  template_name: AbstractSubstituteGlobalTypes
+  template_version: 1.0.0
+description: Abstract Substitute Global Types
+imports:
+  common_definitions:
+    file: CommonGlobalTypesServiceTemplate.yaml
+data_types:
+  org.openecomp.datatypes.heat.substitution.SubstitutionFilter:
+    derived_from: tosca.datatypes.Root
+    description: Substitution Filter
+    properties:
+      substitute_service_template:
+        type: string
+        description: Substitute Service Template
+        required: true
+        status: SUPPORTED
+      index_variable:
+        type: string
+        description: Index variable
+        required: false
+        default: '%index%'
+        status: SUPPORTED
+        constraints:
+        - min_length: 3
+      count:
+        type: string
+        description: Count
+        required: false
+        default: 1
+        status: SUPPORTED
+      mandatory:
+        type: boolean
+        description: Mandatory
+        required: false
+        default: true
+        status: SUPPORTED
+node_types:
+  org.openecomp.resource.abstract.nodes.AbstractSubstitute:
+    derived_from: tosca.nodes.Root
+    properties:
+      service_template_filter:
+        type: org.openecomp.datatypes.heat.substitution.SubstitutionFilter
+        description: Substitution Filter
+        required: true
+        status: SUPPORTED
\ No newline at end of file
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/globalServiceTemplates/CinderVolumeGlobalTypesServiceTemplate.yaml b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/globalServiceTemplates/CinderVolumeGlobalTypesServiceTemplate.yaml
new file mode 100644
index 0000000000..3ef94f22e7
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/globalServiceTemplates/CinderVolumeGlobalTypesServiceTemplate.yaml
@@ -0,0 +1,176 @@
+tosca_definitions_version: tosca_simple_yaml_1_0_0
+metadata:
+  template_name: CinderVolumeGlobalTypes
+  template_version: 1.0.0
+description: Cinder Volume TOSCA Global Types
+relationship_types:
+  org.openecomp.relationships.heat.cinder.VolumeAttachesTo:
+    derived_from: tosca.relationships.AttachesTo
+    description: This type represents an attachment relationship for associating volume
+    properties:
+      volume_id:
+        type: string
+        description: The ID of the volume to be attached
+        required: true
+        status: SUPPORTED
+      location:
+        type: string
+        description: The location where the volume is exposed on the instance, mountpoint
+        required: false
+        status: SUPPORTED
+      instance_uuid:
+        type: string
+        description: The ID of the server to which the volume attaches
+        required: true
+        status: SUPPORTED
+    attributes:
+      show:
+        type: string
+        description: Detailed information about resource
+        status: SUPPORTED
+node_types:
+  org.openecomp.resource.vfc.nodes.heat.cinder.Volume:
+    derived_from: tosca.nodes.BlockStorage
+    properties:
+      availability_zone:
+        type: string
+        description: The availability zone in which the volume will be created
+        required: false
+        status: SUPPORTED
+      image:
+        type: string
+        description: If specified, the name or ID of the image to create the volume from
+        required: false
+        status: SUPPORTED
+      metadata:
+        type: map
+        description: Key/value pairs to associate with the volume
+        required: false
+        status: SUPPORTED
+        entry_schema:
+          type: string
+      volume_type:
+        type: string
+        description: If specified, the type of volume to use, mapping to a specific backend
+        required: false
+        status: SUPPORTED
+      description:
+        type: string
+        description: A description of the volume
+        required: false
+        status: SUPPORTED
+      device_type:
+        type: string
+        description: Device type
+        required: false
+        status: SUPPORTED
+        constraints:
+        - valid_values:
+          - cdrom
+          - disk
+      disk_bus:
+        type: string
+        description: 'Bus of the device: hypervisor driver chooses a suitable default
+          if omitted'
+        required: false
+        status: SUPPORTED
+        constraints:
+        - valid_values:
+          - ide
+          - lame_bus
+          - scsi
+          - usb
+          - virtio
+      backup_id:
+        type: string
+        description: If specified, the backup to create the volume from
+        required: false
+        status: SUPPORTED
+      source_volid:
+        type: string
+        description: If specified, the volume to use as source
+        required: false
+        status: SUPPORTED
+      boot_index:
+        type: integer
+        description: Integer used for ordering the boot disks
+        required: false
+        status: SUPPORTED
+      size:
+        type: scalar-unit.size
+        description: The requested storage size (default unit is MB)
+        required: false
+        status: SUPPORTED
+        constraints:
+        - greater_or_equal: 1 GB
+      read_only:
+        type: boolean
+        description: Enables or disables read-only access mode of volume
+        required: false
+        status: SUPPORTED
+      name:
+        type: string
+        description: A name used to distinguish the volume
+        required: false
+        status: SUPPORTED
+      scheduler_hints:
+        type: map
+        description: Arbitrary key-value pairs specified by the client to help the Cinder scheduler creating a volume
+        required: false
+        status: SUPPORTED
+        entry_schema:
+          type: string
+      swap_size:
+        type: scalar-unit.size
+        description: The size of the swap, in MB
+        required: false
+        status: SUPPORTED
+      delete_on_termination:
+        type: boolean
+        description: Indicate whether the volume should be deleted when the server is terminated
+        required: false
+        status: SUPPORTED
+      multiattach:
+        type: boolean
+        description: Whether allow the volume to be attached more than once
+        required: false
+        status: SUPPORTED
+    attributes:
+      display_description:
+        type: string
+        description: Description of the volume
+        status: SUPPORTED
+      attachments:
+        type: string
+        description: The list of attachments of the volume
+        status: SUPPORTED
+        entry_schema:
+          type: string
+      encrypted:
+        type: boolean
+        description: Boolean indicating if the volume is encrypted or not
+        status: SUPPORTED
+      show:
+        type: string
+        description: Detailed information about resource
+        status: SUPPORTED
+      created_at:
+        type: timestamp
+        description: The timestamp indicating volume creation
+        status: SUPPORTED
+      display_name:
+        type: string
+        description: Name of the volume
+        status: SUPPORTED
+      metadata_values:
+        type: map
+        description: Key/value pairs associated with the volume in raw dict form
+        status: SUPPORTED
+      bootable:
+        type: boolean
+        description: Boolean indicating if the volume can be booted or not
+        status: SUPPORTED
+      status:
+        type: string
+        description: The current status of the volume
+        status: SUPPORTED
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/globalServiceTemplates/CommonGlobalTypesServiceTemplate.yaml b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/globalServiceTemplates/CommonGlobalTypesServiceTemplate.yaml
new file mode 100644
index 0000000000..1a183e9c50
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/globalServiceTemplates/CommonGlobalTypesServiceTemplate.yaml
@@ -0,0 +1,210 @@
+tosca_definitions_version: tosca_simple_yaml_1_0_0
+metadata:
+  template_name: CommonGlobalTypes
+  template_version: 1.0.0
+description: TOSCA Global Types
+data_types:
+  org.openecomp.datatypes.heat.network.AddressPair:
+    derived_from: tosca.datatypes.Root
+    description: MAC/IP address pairs
+    properties:
+      mac_address:
+        type: string
+        description: MAC address
+        required: false
+        status: SUPPORTED
+      ip_address:
+        type: string
+        description: IP address
+        required: false
+        status: SUPPORTED
+  org.openecomp.datatypes.heat.network.subnet.HostRoute:
+    derived_from: tosca.datatypes.Root
+    description: Host route info for the subnet
+    properties:
+      destination:
+        type: string
+        description: The destination for static route
+        required: false
+        status: SUPPORTED
+      nexthop:
+        type: string
+        description: The next hop for the destination
+        required: false
+        status: SUPPORTED
+  org.openecomp.datatypes.heat.network.neutron.Subnet:
+    derived_from: tosca.datatypes.Root
+    description: A subnet represents an IP address block that can be used for assigning IP addresses to virtual instances
+    properties:
+      tenant_id:
+        type: string
+        description: The ID of the tenant who owns the network
+        required: false
+        status: SUPPORTED
+      enable_dhcp:
+        type: boolean
+        description: Set to true if DHCP is enabled and false if DHCP is disabled
+        required: false
+        default: true
+        status: SUPPORTED
+      ipv6_address_mode:
+        type: string
+        description: IPv6 address mode
+        required: false
+        status: SUPPORTED
+        constraints:
+        - valid_values:
+          - dhcpv6-stateful
+          - dhcpv6-stateless
+          - slaac
+      ipv6_ra_mode:
+        type: string
+        description: IPv6 RA (Router Advertisement) mode
+        required: false
+        status: SUPPORTED
+        constraints:
+        - valid_values:
+          - dhcpv6-stateful
+          - dhcpv6-stateless
+          - slaac
+      value_specs:
+        type: map
+        description: Extra parameters to include in the request
+        required: false
+        default: {
+          }
+        status: SUPPORTED
+        entry_schema:
+          type: string
+      allocation_pools:
+        type: list
+        description: The start and end addresses for the allocation pools
+        required: false
+        status: SUPPORTED
+        entry_schema:
+          type: org.openecomp.datatypes.heat.network.AllocationPool
+      subnetpool:
+        type: string
+        description: The name or ID of the subnet pool
+        required: false
+        status: SUPPORTED
+      dns_nameservers:
+        type: list
+        description: A specified set of DNS name servers to be used
+        required: false
+        default: [
+          ]
+        status: SUPPORTED
+        entry_schema:
+          type: string
+      host_routes:
+        type: list
+        description: The gateway IP address
+        required: false
+        status: SUPPORTED
+        entry_schema:
+          type: org.openecomp.datatypes.heat.network.subnet.HostRoute
+      ip_version:
+        type: integer
+        description: The gateway IP address
+        required: false
+        default: 4
+        status: SUPPORTED
+        constraints:
+        - valid_values:
+          - '4'
+          - '6'
+      name:
+        type: string
+        description: The name of the subnet
+        required: false
+        status: SUPPORTED
+      prefixlen:
+        type: integer
+        description: Prefix length for subnet allocation from subnet pool
+        required: false
+        status: SUPPORTED
+        constraints:
+        - greater_or_equal: 0
+      cidr:
+        type: string
+        description: The CIDR
+        required: false
+        status: SUPPORTED
+      gateway_ip:
+        type: string
+        description: The gateway IP address
+        required: false
+        status: SUPPORTED
+  org.openecomp.datatypes.heat.network.AllocationPool:
+    derived_from: tosca.datatypes.Root
+    description: The start and end addresses for the allocation pool
+    properties:
+      start:
+        type: string
+        description: Start address for the allocation pool
+        required: false
+        status: SUPPORTED
+      end:
+        type: string
+        description: End address for the allocation pool
+        required: false
+        status: SUPPORTED
+relationship_types:
+  org.openecomp.relationships.AttachesTo:
+    derived_from: tosca.relationships.Root
+    description: This type represents an attachment relationship
+group_types:
+  org.openecomp.groups.heat.HeatStack:
+    derived_from: tosca.groups.Root
+    description: Grouped all heat resources which are in the same heat stack
+    properties:
+      heat_file:
+        type: string
+        description: Heat file which associate to this group/heat stack
+        required: true
+        status: SUPPORTED
+      description:
+        type: string
+        description: Heat file description
+        required: false
+        status: SUPPORTED
+policy_types:
+  org.openecomp.policies.placement.Colocate:
+    derived_from: tosca.policy.placement
+    description: Keep associated nodes (groups of nodes) based upon affinity value
+    properties:
+      name:
+        type: string
+        description: The name of the policy
+        required: false
+        status: SUPPORTED
+      affinity:
+        type: string
+        description: affinity
+        required: true
+        status: SUPPORTED
+        constraints:
+        - valid_values:
+          - host
+          - region
+          - compute
+  org.openecomp.policies.placement.Antilocate:
+    derived_from: tosca.policy.placement
+    description: My placement policy for separation based upon container type value
+    properties:
+      name:
+        type: string
+        description: The name of the policy
+        required: false
+        status: SUPPORTED
+      container_type:
+        type: string
+        description: container type
+        required: false
+        status: SUPPORTED
+        constraints:
+        - valid_values:
+          - host
+          - region
+          - compute
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/globalServiceTemplates/ContrailNetworkRuleGlobalTypeServiceTemplate.yaml b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/globalServiceTemplates/ContrailNetworkRuleGlobalTypeServiceTemplate.yaml
new file mode 100644
index 0000000000..98317310fa
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/globalServiceTemplates/ContrailNetworkRuleGlobalTypeServiceTemplate.yaml
@@ -0,0 +1,117 @@
+tosca_definitions_version: tosca_simple_yaml_1_0_0
+metadata:
+  template_name: ContrailNetworkRuleGlobalType
+  template_version: 1.0.0
+description: Contrail Network Rule Global Types
+imports:
+  common_definitions:
+    file: CommonGlobalTypesServiceTemplate.yaml
+data_types:
+  org.openecomp.datatypes.heat.contrail.network.rule.PortPairs:
+    derived_from: tosca.datatypes.Root
+    description: source and destination port pairs
+    properties:
+      start_port:
+        type: string
+        description: Start port
+        required: false
+        status: SUPPORTED
+      end_port:
+        type: string
+        description: End port
+        required: false
+        status: SUPPORTED
+  org.openecomp.datatypes.heat.contrail.network.rule.Rule:
+    derived_from: tosca.datatypes.Root
+    description: policy rule
+    properties:
+      src_ports:
+        type: list
+        description: Source ports
+        required: false
+        status: SUPPORTED
+        entry_schema:
+          type: org.openecomp.datatypes.heat.contrail.network.rule.PortPairs
+      protocol:
+        type: string
+        description: Protocol
+        required: false
+        status: SUPPORTED
+      dst_addresses:
+        type: list
+        description: Destination addresses
+        required: false
+        status: SUPPORTED
+        entry_schema:
+          type: org.openecomp.datatypes.heat.contrail.network.rule.VirtualNetwork
+      apply_service:
+        type: string
+        description: Service to apply
+        required: false
+        status: SUPPORTED
+      dst_ports:
+        type: list
+        description: Destination ports
+        required: false
+        status: SUPPORTED
+        entry_schema:
+          type: org.openecomp.datatypes.heat.contrail.network.rule.PortPairs
+      src_addresses:
+        type: list
+        description: Source addresses
+        required: false
+        status: SUPPORTED
+        entry_schema:
+          type: org.openecomp.datatypes.heat.contrail.network.rule.VirtualNetwork
+      direction:
+        type: string
+        description: Direction
+        required: false
+        status: SUPPORTED
+  org.openecomp.datatypes.heat.contrail.network.rule.RuleList:
+    derived_from: tosca.datatypes.Root
+    description: list of policy rules
+    properties:
+      policy_rule:
+        type: list
+        description: Contrail network rule
+        required: false
+        status: SUPPORTED
+        entry_schema:
+          type: org.openecomp.datatypes.heat.contrail.network.rule.Rule
+  org.openecomp.datatypes.heat.contrail.network.rule.VirtualNetwork:
+    derived_from: tosca.datatypes.Root
+    description: source and destination addresses
+    properties:
+      virtual_network:
+        type: string
+        description: Virtual network
+        required: false
+        status: SUPPORTED
+node_types:
+  org.openecomp.resource.nodes.heat.network.contrail.NetworkRules:
+    derived_from: tosca.nodes.Root
+    properties:
+      entries:
+        type: org.openecomp.datatypes.heat.contrail.network.rule.RuleList
+        description: A symbolic name for this contrail network rule
+        required: false
+        status: SUPPORTED
+      name:
+        type: string
+        description: A symbolic name for this contrail network rule
+        required: false
+        status: SUPPORTED
+    attributes:
+      fq_name:
+        type: string
+        description: fq_name
+        status: SUPPORTED
+    requirements:
+    - network:
+        capability: tosca.capabilities.Attachment
+        node: tosca.nodes.network.Network
+        relationship: org.openecomp.relationships.AttachesTo
+        occurrences:
+        - 0
+        - UNBOUNDED
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/globalServiceTemplates/ContrailVirtualNetworkGlobalTypeServiceTemplate.yaml b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/globalServiceTemplates/ContrailVirtualNetworkGlobalTypeServiceTemplate.yaml
new file mode 100644
index 0000000000..0927e3dd0e
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/globalServiceTemplates/ContrailVirtualNetworkGlobalTypeServiceTemplate.yaml
@@ -0,0 +1,71 @@
+tosca_definitions_version: tosca_simple_yaml_1_0_0
+metadata:
+  template_name: ContrailVirtualNetworkGlobalType
+  template_version: 1.0.0
+description: Contrail Virtual Network Global Types
+imports:
+  common_definitions:
+    file: CommonGlobalTypesServiceTemplate.yaml
+node_types:
+  org.openecomp.resource.vl.nodes.heat.network.contrail.VirtualNetwork:
+    derived_from: tosca.nodes.network.Network
+    properties:
+      shared:
+        type: string
+        description: Is virtual network shared
+        required: false
+        status: SUPPORTED
+      forwarding_mode:
+        type: string
+        description: forwarding mode of the virtual network
+        required: false
+        status: SUPPORTED
+      external:
+        type: string
+        description: Is virtual network external
+        required: false
+        status: SUPPORTED
+      flood_unknown_unicast:
+        type: string
+        description: flood L2 packets on network
+        required: false
+        status: SUPPORTED
+      route_targets:
+        type: list
+        description: route targets associated with the virtual network
+        required: false
+        status: SUPPORTED
+        entry_schema:
+          type: string
+      subnets:
+        type: map
+        description: Network related subnets
+        required: false
+        status: SUPPORTED
+        entry_schema:
+          type: org.openecomp.datatypes.heat.network.neutron.Subnet
+    attributes:
+      subnets_name:
+        type: list
+        description: Subnets name of this network
+        status: SUPPORTED
+        entry_schema:
+          type: string
+      subnets_show:
+        type: map
+        description: Detailed information about each subnet
+        status: SUPPORTED
+        entry_schema:
+          type: string
+      subnets:
+        type: map
+        description: Network related subnets
+        status: SUPPORTED
+        entry_schema:
+          type: org.openecomp.datatypes.heat.network.neutron.Subnet
+    capabilities:
+      attachment:
+        type: tosca.capabilities.Attachment
+        occurrences:
+        - 1
+        - UNBOUNDED
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/globalServiceTemplates/GlobalSubstitutionTypesServiceTemplate.yaml b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/globalServiceTemplates/GlobalSubstitutionTypesServiceTemplate.yaml
new file mode 100644
index 0000000000..08c47bc646
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/globalServiceTemplates/GlobalSubstitutionTypesServiceTemplate.yaml
@@ -0,0 +1,93 @@
+tosca_definitions_version: tosca_simple_yaml_1_0_0
+metadata:
+  template_name: GlobalSubstitutionTypes
+imports:
+  NeutronPortGlobalTypes:
+    file: NeutronPortGlobalTypesServiceTemplate.yaml
+  NeutronNetGlobalTypes:
+    file: NeutronNetGlobalTypesServiceTemplate.yaml
+  CommonGlobalTypes:
+    file: CommonGlobalTypesServiceTemplate.yaml
+  CinderVolumeGlobalTypes:
+    file: CinderVolumeGlobalTypesServiceTemplate.yaml
+  ContrailNetworkRuleGlobalType:
+    file: ContrailNetworkRuleGlobalTypeServiceTemplate.yaml
+  NeutronSecurityRulesGlobalTypes:
+    file: NeutronSecurityRulesGlobalTypesServiceTemplate.yaml
+  NovaServerGlobalTypes:
+    file: NovaServerGlobalTypesServiceTemplate.yaml
+  ContrailVirtualNetworkGlobalType:
+    file: ContrailVirtualNetworkGlobalTypeServiceTemplate.yaml
+  AbstractSubstituteGlobalTypes:
+    file: AbstractSubstituteGlobalTypesServiceTemplate.yaml
+node_types:
+  org.openecomp.resource.abstract.nodes.heat.nested:
+    derived_from: org.openecomp.resource.abstract.nodes.AbstractSubstitute
+    properties:
+      cmaui_names:
+        type: list
+        description: CMAUI1, CMAUI2 server names
+        entry_schema:
+          type: String
+      p1:
+        type: string
+        description: UID of OAM network
+      cmaui_image:
+        type: string
+        description: Image for CMAUI server
+      cmaui_flavor:
+        type: string
+        description: Flavor for CMAUI server
+      security_group_name:
+        description: not impotrtant
+      availability_zone_0:
+        type: string
+        description: availabilityzone name
+    requirements:
+    - local_storage_server_cmaui:
+        capability: tosca.capabilities.Attachment
+        node: tosca.nodes.BlockStorage
+        relationship: tosca.relationships.AttachesTo
+        occurrences:
+        - 0
+        - UNBOUNDED
+    - link_cmaui_port_0:
+        capability: tosca.capabilities.network.Linkable
+        node: tosca.nodes.Root
+        relationship: tosca.relationships.network.LinksTo
+        occurrences:
+        - 1
+        - 1
+    capabilities:
+      host_server_cmaui:
+        type: tosca.capabilities.Container
+        valid_source_types:
+        - tosca.nodes.SoftwareComponent
+        occurrences:
+        - 1
+        - UNBOUNDED
+      os_server_cmaui:
+        type: tosca.capabilities.OperatingSystem
+        occurrences:
+        - 1
+        - UNBOUNDED
+      endpoint_server_cmaui:
+        type: tosca.capabilities.Endpoint.Admin
+        occurrences:
+        - 1
+        - UNBOUNDED
+      binding_server_cmaui:
+        type: tosca.capabilities.network.Bindable
+        occurrences:
+        - 1
+        - UNBOUNDED
+      scalable_server_cmaui:
+        type: tosca.capabilities.Scalable
+        occurrences:
+        - 1
+        - UNBOUNDED
+      attachment_cmaui_port_0:
+        type: tosca.capabilities.Attachment
+        occurrences:
+        - 1
+        - UNBOUNDED
\ No newline at end of file
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/globalServiceTemplates/NativeTypesServiceTemplateServiceTemplate.yaml b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/globalServiceTemplates/NativeTypesServiceTemplateServiceTemplate.yaml
new file mode 100644
index 0000000000..e7dfd49ed9
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/globalServiceTemplates/NativeTypesServiceTemplateServiceTemplate.yaml
@@ -0,0 +1,194 @@
+tosca_definitions_version: tosca_simple_yaml_1_0_0
+metadata:
+  template_name: NativeTypesServiceTemplate
+  template_version: 1.0.0
+description: TOSCA Native Node Types
+node_types:
+  tosca.nodes.Compute:
+    derived_from: tosca.nodes.Root
+    attributes:
+      private_address:
+        type: string
+        description: private address
+        status: SUPPORTED
+      public_address:
+        type: string
+        description: public_address
+        status: SUPPORTED
+      networks:
+        type: map
+        description: networks
+        status: SUPPORTED
+        entry_schema:
+          type: tosca.datatypes.network.NetworkInfo
+      ports:
+        type: map
+        description: ports
+        status: SUPPORTED
+        entry_schema:
+          type: tosca.datatypes.network.PortInfo
+    requirements:
+    - local_storage:
+        capability: tosca.capabilities.Attachment
+        node: tosca.nodes.BlockStorage
+        relationship: tosca.relationships.AttachesTo
+        occurrences:
+        - 0
+        - UNBOUNDED
+    capabilities:
+      scalable:
+        type: tosca.capabilities.Scalable
+        occurrences:
+        - 1
+        - UNBOUNDED
+      endpoint:
+        type: tosca.capabilities.Endpoint.Admin
+        occurrences:
+        - 1
+        - UNBOUNDED
+      os:
+        type: tosca.capabilities.OperatingSystem
+        occurrences:
+        - 1
+        - UNBOUNDED
+      host:
+        type: tosca.capabilities.Container
+        valid_source_types:
+        - tosca.nodes.SoftwareComponent
+        occurrences:
+        - 1
+        - UNBOUNDED
+      binding:
+        type: tosca.capabilities.network.Bindable
+        occurrences:
+        - 1
+        - UNBOUNDED
+  tosca.nodes.network.Port:
+    derived_from: tosca.nodes.Root
+    properties:
+      ip_range_end:
+        type: string
+        required: false
+        status: SUPPORTED
+      ip_range_start:
+        type: string
+        required: false
+        status: SUPPORTED
+      ip_address:
+        type: string
+        required: false
+        status: SUPPORTED
+      is_default:
+        type: boolean
+        required: false
+        default: false
+        status: SUPPORTED
+      order:
+        type: integer
+        required: true
+        default: 0
+        status: SUPPORTED
+        constraints:
+        - greater_or_equal: 0
+    requirements:
+    - link:
+        capability: tosca.capabilities.network.Linkable
+        node: tosca.nodes.Root
+        relationship: tosca.relationships.network.LinksTo
+    - binding:
+        capability: tosca.capabilities.network.Bindable
+        node: tosca.nodes.Root
+        relationship: tosca.relationships.network.BindsTo
+  tosca.nodes.Root:
+    attributes:
+      tosca_name:
+        type: string
+        description: tosca name
+        status: SUPPORTED
+      state:
+        type: string
+        description: state
+        status: SUPPORTED
+      tosca_id:
+        type: string
+        description: tosca id
+        status: SUPPORTED
+    interfaces: {
+      }
+  tosca.nodes.network.Network:
+    derived_from: tosca.nodes.Root
+    properties:
+      physical_network:
+        type: string
+        required: false
+        status: SUPPORTED
+      segmentation_id:
+        type: string
+        required: false
+        status: SUPPORTED
+      network_id:
+        type: string
+        required: false
+        status: SUPPORTED
+      ip_version:
+        type: integer
+        required: false
+        default: 4
+        status: SUPPORTED
+        constraints:
+        - valid_values:
+          - 4
+          - 6
+      start_ip:
+        type: string
+        required: false
+        status: SUPPORTED
+      network_name:
+        type: string
+        required: false
+        status: SUPPORTED
+      cidr:
+        type: string
+        required: false
+        status: SUPPORTED
+      gateway_ip:
+        type: string
+        required: false
+        status: SUPPORTED
+      network_type:
+        type: string
+        required: false
+        status: SUPPORTED
+      end_ip:
+        type: string
+        required: false
+        status: SUPPORTED
+    capabilities:
+      link:
+        type: tosca.capabilities.network.Linkable
+        occurrences:
+        - 1
+        - UNBOUNDED
+  tosca.nodes.BlockStorage:
+    derived_from: tosca.nodes.Root
+    properties:
+      size:
+        type: scalar-unit.size
+        required: false
+        status: SUPPORTED
+        constraints:
+        - greater_or_equal: 1 MB
+      volume_id:
+        type: string
+        required: false
+        status: SUPPORTED
+      snapshot_id:
+        type: string
+        required: false
+        status: SUPPORTED
+    capabilities:
+      attachment:
+        type: tosca.capabilities.Attachment
+        occurrences:
+        - 1
+        - UNBOUNDED
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/globalServiceTemplates/NeutronNetGlobalTypesServiceTemplate.yaml b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/globalServiceTemplates/NeutronNetGlobalTypesServiceTemplate.yaml
new file mode 100644
index 0000000000..e80e2727c7
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/globalServiceTemplates/NeutronNetGlobalTypesServiceTemplate.yaml
@@ -0,0 +1,97 @@
+tosca_definitions_version: tosca_simple_yaml_1_0_0
+metadata:
+  template_name: NeutronNetGlobalTypes
+  template_version: 1.0.0
+description: Neutron Network TOSCA Global Types
+imports:
+  common_definitions:
+    file: CommonGlobalTypesServiceTemplate.yaml
+node_types:
+  org.openecomp.resource.vl.nodes.heat.network.neutron.Net:
+    derived_from: tosca.nodes.network.Network
+    properties:
+      dhcp_agent_ids:
+        type: list
+        description: The IDs of the DHCP agent to schedule the network
+        required: false
+        status: SUPPORTED
+        entry_schema:
+          type: string
+      tenant_id:
+        type: string
+        description: The ID of the tenant which will own the network
+        required: false
+        status: SUPPORTED
+      port_security_enabled:
+        type: boolean
+        description: Flag to enable/disable port security on the network
+        required: false
+        status: SUPPORTED
+      shared:
+        type: boolean
+        description: Whether this network should be shared across all tenants
+        required: false
+        default: false
+        status: SUPPORTED
+      admin_state_up:
+        type: boolean
+        description: A boolean value specifying the administrative status of the network
+        required: false
+        default: true
+        status: SUPPORTED
+      qos_policy:
+        type: string
+        description: The name or ID of QoS policy to attach to this network
+        required: false
+        status: SUPPORTED
+      subnets:
+        type: map
+        description: Network related subnets
+        required: false
+        status: SUPPORTED
+        entry_schema:
+          type: org.openecomp.datatypes.heat.network.neutron.Subnet
+      value_specs:
+        type: map
+        description: Extra parameters to include in the request
+        required: false
+        default: {
+          }
+        status: SUPPORTED
+        entry_schema:
+          type: string
+    attributes:
+      qos_policy_id:
+        type: string
+        description: The QoS policy ID attached to this network
+        status: SUPPORTED
+      show:
+        type: string
+        description: Detailed information about resource
+        status: SUPPORTED
+      subnets_name:
+        type: list
+        description: Subnets name of this network
+        status: SUPPORTED
+        entry_schema:
+          type: string
+      subnets:
+        type: map
+        description: Network related subnets
+        status: SUPPORTED
+        entry_schema:
+          type: org.openecomp.datatypes.heat.network.neutron.Subnet
+      mtu:
+        type: scalar-unit.size
+        description: The maximum transmission unit size(in bytes) for the network
+        status: SUPPORTED
+      status:
+        type: string
+        description: The status of the network
+        status: SUPPORTED
+    capabilities:
+      attachment:
+        type: tosca.capabilities.Attachment
+        occurrences:
+        - 1
+        - UNBOUNDED
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/globalServiceTemplates/NeutronPortGlobalTypesServiceTemplate.yaml b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/globalServiceTemplates/NeutronPortGlobalTypesServiceTemplate.yaml
new file mode 100644
index 0000000000..a337d6ed18
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/globalServiceTemplates/NeutronPortGlobalTypesServiceTemplate.yaml
@@ -0,0 +1,151 @@
+tosca_definitions_version: tosca_simple_yaml_1_0_0
+metadata:
+  template_name: NeutronPortGlobalTypes
+  template_version: 1.0.0
+description: Neutron Port TOSCA Global Types
+imports:
+  common_definitions:
+    file: CommonGlobalTypesServiceTemplate.yaml
+data_types:
+  org.openecomp.datatypes.heat.neutron.port.FixedIps:
+    derived_from: tosca.datatypes.Root
+    description: subnet/ip_address
+    properties:
+      subnet:
+        type: string
+        description: Subnet in which to allocate the IP address for this port
+        required: false
+        status: SUPPORTED
+      ip_address:
+        type: string
+        description: IP address desired in the subnet for this port
+        required: false
+        status: SUPPORTED
+node_types:
+  org.openecomp.resource.cp.nodes.heat.network.neutron.Port:
+    derived_from: tosca.nodes.network.Port
+    properties:
+      port_security_enabled:
+        type: boolean
+        description: Flag to enable/disable port security on the network
+        required: false
+        status: SUPPORTED
+      device_id:
+        type: string
+        description: Device ID of this port
+        required: false
+        status: SUPPORTED
+      qos_policy:
+        type: string
+        description: The name or ID of QoS policy to attach to this network
+        required: false
+        status: SUPPORTED
+      allowed_address_pairs:
+        type: list
+        description: Additional MAC/IP address pairs allowed to pass through the port
+        required: false
+        status: SUPPORTED
+        entry_schema:
+          type: org.openecomp.datatypes.heat.network.AddressPair
+      binding:vnic_type:
+        type: string
+        description: The vnic type to be bound on the neutron port
+        required: false
+        status: SUPPORTED
+        constraints:
+        - valid_values:
+          - macvtap
+          - direct
+          - normal
+      value_specs:
+        type: map
+        description: Extra parameters to include in the request
+        required: false
+        default: {
+          }
+        status: SUPPORTED
+        entry_schema:
+          type: string
+      device_owner:
+        type: string
+        description: Name of the network owning the port
+        required: false
+        status: SUPPORTED
+      network:
+        type: string
+        description: Network this port belongs to
+        required: false
+        status: SUPPORTED
+      replacement_policy:
+        type: string
+        description: Policy on how to respond to a stack-update for this resource
+        required: false
+        default: AUTO
+        status: SUPPORTED
+        constraints:
+        - valid_values:
+          - REPLACE_ALWAYS
+          - AUTO
+      security_groups:
+        type: list
+        description: List of security group names or IDs
+        required: false
+        status: SUPPORTED
+        entry_schema:
+          type: string
+      fixed_ips:
+        type: list
+        description: Desired IPs for this port
+        required: false
+        status: SUPPORTED
+        entry_schema:
+          type: org.openecomp.datatypes.heat.neutron.port.FixedIps
+      mac_address:
+        type: string
+        description: MAC address to give to this port
+        required: false
+        status: SUPPORTED
+      admin_state_up:
+        type: boolean
+        description: A boolean value specifying the administrative status of the network
+        required: false
+        default: true
+        status: SUPPORTED
+      name:
+        type: string
+        description: A symbolic name for this port
+        required: false
+        status: SUPPORTED
+    attributes:
+      tenant_id:
+        type: string
+        description: Tenant owning the port
+        status: SUPPORTED
+      network_id:
+        type: string
+        description: Unique identifier for the network owning the port
+        status: SUPPORTED
+      qos_policy_id:
+        type: string
+        description: The QoS policy ID attached to this network
+        status: SUPPORTED
+      show:
+        type: string
+        description: Detailed information about resource
+        status: SUPPORTED
+      subnets:
+        type: list
+        description: Subnets of this network
+        status: SUPPORTED
+        entry_schema:
+          type: string
+      status:
+        type: string
+        description: The status of the network
+        status: SUPPORTED
+    capabilities:
+      attachment:
+        type: tosca.capabilities.Attachment
+        occurrences:
+        - 1
+        - UNBOUNDED
\ No newline at end of file
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/globalServiceTemplates/NeutronSecurityRulesGlobalTypesServiceTemplate.yaml b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/globalServiceTemplates/NeutronSecurityRulesGlobalTypesServiceTemplate.yaml
new file mode 100644
index 0000000000..49c9a102c8
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/globalServiceTemplates/NeutronSecurityRulesGlobalTypesServiceTemplate.yaml
@@ -0,0 +1,116 @@
+tosca_definitions_version: tosca_simple_yaml_1_0_0
+metadata:
+  template_name: NeutronSecurityRulesGlobalTypes
+  template_version: 1.0.0
+description: Neutron Security Rules TOSCA Global Types
+imports:
+  common_definitions:
+    file: CommonGlobalTypesServiceTemplate.yaml
+data_types:
+  org.openecomp.datatypes.heat.network.neutron.SecurityRules.Rule:
+    derived_from: tosca.datatypes.Root
+    description: Rules Pairs
+    properties:
+      remote_group_id:
+        type: string
+        description: The remote group ID to be associated with this security group rule
+        required: false
+        status: SUPPORTED
+      protocol:
+        type: string
+        description: The protocol that is matched by the security group rule
+        required: false
+        status: SUPPORTED
+        constraints:
+        - valid_values:
+          - tcp
+          - udp
+          - icmp
+      ethertype:
+        type: string
+        description: Ethertype of the traffic
+        required: false
+        default: IPv4
+        status: SUPPORTED
+        constraints:
+        - valid_values:
+          - IPv4
+          - IPv6
+      port_range_max:
+        type: integer
+        description: 'The maximum port number in the range that is matched by the
+          security group rule. '
+        required: false
+        status: SUPPORTED
+        constraints:
+        - in_range:
+          - 0
+          - 65535
+      remote_ip_prefix:
+        type: string
+        description: The remote IP prefix (CIDR) to be associated with this security group rule
+        required: false
+        status: SUPPORTED
+      remote_mode:
+        type: string
+        description: Whether to specify a remote group or a remote IP prefix
+        required: false
+        default: remote_ip_prefix
+        status: SUPPORTED
+        constraints:
+        - valid_values:
+          - remote_ip_prefix
+          - remote_group_id
+      direction:
+        type: string
+        description: The direction in which the security group rule is applied
+        required: false
+        default: ingress
+        status: SUPPORTED
+        constraints:
+        - valid_values:
+          - egress
+          - ingress
+      port_range_min:
+        type: integer
+        description: The minimum port number in the range that is matched by the security group rule.
+        required: false
+        status: SUPPORTED
+        constraints:
+        - in_range:
+          - 0
+          - 65535
+node_types:
+  org.openecomp.resource.nodes.heat.network.neutron.SecurityRules:
+    derived_from: tosca.nodes.Root
+    properties:
+      description:
+        type: string
+        description: Description of the security group
+        required: false
+        status: SUPPORTED
+      name:
+        type: string
+        description: A symbolic name for this security group, which is not required to be unique.
+        required: false
+        status: SUPPORTED
+      rules:
+        type: list
+        description: List of security group rules
+        required: false
+        status: SUPPORTED
+        entry_schema:
+          type: org.openecomp.datatypes.heat.network.neutron.SecurityRules.Rule
+    attributes:
+      show:
+        type: string
+        description: Detailed information about resource
+        status: SUPPORTED
+    requirements:
+    - port:
+        capability: tosca.capabilities.Attachment
+        node: org.openecomp.resource.cp.nodes.heat.network.neutron.Port
+        relationship: org.openecomp.relationships.AttachesTo
+        occurrences:
+        - 0
+        - UNBOUNDED
\ No newline at end of file
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/globalServiceTemplates/NovaServerGlobalTypesServiceTemplate.yaml b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/globalServiceTemplates/NovaServerGlobalTypesServiceTemplate.yaml
new file mode 100644
index 0000000000..2253a1e4af
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/globalServiceTemplates/NovaServerGlobalTypesServiceTemplate.yaml
@@ -0,0 +1,249 @@
+tosca_definitions_version: tosca_simple_yaml_1_0_0
+metadata:
+  template_name: NovaServerGlobalTypes
+  template_version: 1.0.0
+description: Nova Server TOSCA Global Types
+imports:
+  common_definitions:
+    file: CommonGlobalTypesServiceTemplate.yaml
+data_types:
+  org.openecomp.datatypes.heat.novaServer.network.PortExtraProperties:
+    derived_from: tosca.datatypes.Root
+    description: Nova server network expand properties for port
+    properties:
+      port_security_enabled:
+        type: boolean
+        description: Flag to enable/disable port security on the port
+        required: false
+        status: SUPPORTED
+      mac_address:
+        type: string
+        description: MAC address to give to this port
+        required: false
+        status: SUPPORTED
+      admin_state_up:
+        type: boolean
+        description: The administrative state of this port
+        required: false
+        default: true
+        status: SUPPORTED
+      qos_policy:
+        type: string
+        description: The name or ID of QoS policy to attach to this port
+        required: false
+        status: SUPPORTED
+      allowed_address_pairs:
+        type: list
+        description: Additional MAC/IP address pairs allowed to pass through the port
+        required: false
+        status: SUPPORTED
+        entry_schema:
+          type: org.openecomp.datatypes.heat.network.AddressPair
+      binding:vnic_type:
+        type: string
+        description: The vnic type to be bound on the neutron port
+        required: false
+        status: SUPPORTED
+        constraints:
+        - valid_values:
+          - macvtap
+          - direct
+          - normal
+      value_specs:
+        type: map
+        description: Extra parameters to include in the request
+        required: false
+        default: {
+          }
+        status: SUPPORTED
+        entry_schema:
+          type: string
+  org.openecomp.datatypes.heat.novaServer.network.AddressInfo:
+    derived_from: tosca.datatypes.network.NetworkInfo
+    description: Network addresses with corresponding port id
+    properties:
+      port_id:
+        type: string
+        description: Port id
+        required: false
+        status: SUPPORTED
+node_types:
+  org.openecomp.resource.vfc.nodes.heat.nova.Server:
+    derived_from: tosca.nodes.Compute
+    properties:
+      admin_pass:
+        type: string
+        description: The administrator password for the server
+        required: false
+        status: SUPPORTED
+      availability_zone:
+        type: string
+        description: Availability zone to create servers in
+        required: false
+        status: SUPPORTED
+      image:
+        type: string
+        description: The ID or name of the image to boot with
+        required: false
+        status: SUPPORTED
+      image_update_policy:
+        type: string
+        description: Policy on how to apply an image-id update
+        required: false
+        default: REBUILD
+        status: SUPPORTED
+        constraints:
+        - valid_values:
+          - REBUILD_PRESERVE_EPHEMERAL
+          - REPLACE
+          - REBUILD
+      metadata:
+        type: map
+        description: Arbitrary key/value metadata to store for this server
+        required: false
+        status: SUPPORTED
+        constraints:
+        - max_length: 255
+        entry_schema:
+          type: string
+          constraints:
+          - max_length: 255
+      user_data_update_policy:
+        type: string
+        description: Policy on how to apply a user_data update
+        required: false
+        default: REPLACE
+        status: SUPPORTED
+        constraints:
+        - valid_values:
+          - REPLACE
+          - IGNORE
+      flavor_update_policy:
+        type: string
+        description: Policy on how to apply a flavor update
+        required: false
+        default: RESIZE
+        status: SUPPORTED
+        constraints:
+        - valid_values:
+          - RESIZE
+          - REPLACE
+      user_data:
+        type: string
+        description: User data script to be executed by cloud-init
+        required: false
+        default: ''
+        status: SUPPORTED
+      flavor:
+        type: string
+        description: The ID or name of the flavor to boot onto
+        required: true
+        status: SUPPORTED
+      key_name:
+        type: string
+        description: Name of keypair to inject into the server
+        required: false
+        status: SUPPORTED
+      reservation_id:
+        type: string
+        description: A UUID for the set of servers being requested
+        required: false
+        status: SUPPORTED
+      security_groups:
+        type: list
+        description: List of security group names or IDs
+        required: false
+        default: [
+          ]
+        status: SUPPORTED
+        entry_schema:
+          type: string
+      config_drive:
+        type: boolean
+        description: enable config drive on the server
+        required: false
+        status: SUPPORTED
+      personality:
+        type: map
+        description: A map of files to create/overwrite on the server upon boot
+        required: false
+        default: {
+          }
+        status: SUPPORTED
+        entry_schema:
+          type: string
+      software_config_transport:
+        type: string
+        description: How the server should receive the metadata required for software configuration
+        required: false
+        default: POLL_SERVER_CFN
+        status: SUPPORTED
+        constraints:
+        - valid_values:
+          - POLL_SERVER_CFN
+          - POLL_SERVER_HEAT
+          - POLL_TEMP_URL
+          - ZAQAR_MESSAGE
+      user_data_format:
+        type: string
+        description: How the user_data should be formatted for the server
+        required: false
+        default: HEAT_CFNTOOLS
+        status: SUPPORTED
+        constraints:
+        - valid_values:
+          - SOFTWARE_CONFIG
+          - RAW
+          - HEAT_CFNTOOLS
+      diskConfig:
+        type: string
+        description: Control how the disk is partitioned when the server is created
+        required: false
+        status: SUPPORTED
+        constraints:
+        - valid_values:
+          - AUTO
+          - MANUAL
+      name:
+        type: string
+        description: Server name
+        required: false
+        status: SUPPORTED
+      scheduler_hints:
+        type: map
+        description: Arbitrary key-value pairs specified by the client to help boot a server
+        required: false
+        status: SUPPORTED
+        entry_schema:
+          type: string
+    attributes:
+      accessIPv4:
+        type: string
+        description: The manually assigned alternative public IPv4 address of the server
+        status: SUPPORTED
+      addresses:
+        type: map
+        description: A dict of all network addresses with corresponding port_id
+        status: SUPPORTED
+        entry_schema:
+          type: org.openecomp.datatypes.heat.novaServer.network.AddressInfo
+      accessIPv6:
+        type: string
+        description: The manually assigned alternative public IPv6 address of the server
+        status: SUPPORTED
+      instance_name:
+        type: string
+        description: AWS compatible instance name
+        status: SUPPORTED
+      name:
+        type: string
+        description: Name of the server
+        status: SUPPORTED
+      show:
+        type: string
+        description: Detailed information about resource
+        status: SUPPORTED
+      console_urls:
+        type: string
+        description: URLs of servers consoles
+        status: SUPPORTED
\ No newline at end of file
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/model/serviceTemplate.yaml b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/model/serviceTemplate.yaml
new file mode 100644
index 0000000000..612bc2d2fa
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/model/serviceTemplate.yaml
@@ -0,0 +1,116 @@
+tosca_definitions_version: tosca_simple_yaml_1_0_0
+metadata:
+  template_name: Test
+  template_author: OPENECOMP
+  template_version: 1.0.0
+description: testing desc tosca service template
+imports:
+  myfile1:
+    file: path1/path2/file1.yaml
+  myfile2:
+    file: path1/path2/file2.yaml
+artifact_types:
+  one_artifact:
+    mime_type: application/java-archive
+    file_ext:
+    - yaml
+    - xml
+node_types:
+  compute_node_type:
+    derived_from: tosca.nodes.Root
+    version: 1.0.0
+    description: tosca compute test
+    properties:
+      cpu_num:
+        type: integer
+        description: Number of CPUs requested for a software node instance
+        required: true
+        default: 1
+        status: SUPPORTED
+        constraints:
+        - greater_or_equal: 5.0
+        - equal: 5
+        - greater_than: 6.02
+        - in_range:
+          - 0
+          - UNBOUNDED
+    attributes:
+      attDef1:
+        type: string
+        default: hi
+        status: SUPPORTED
+    requirements:
+    - re1:
+        capability: tosca.cap1
+        occurrences:
+        - 5
+        - 1
+    capabilities:
+      cap1:
+        type: tosca.cap
+        valid_source_types:
+        - node1
+        - node2
+        occurrences:
+        - 1
+        - UNBOUNDED
+topology_template:
+  description: topologi template descroption
+  inputs:
+    inParam1:
+      type: string
+      description: desc
+      required: false
+      default: my default val
+      constraints:
+      - greater_than: 6
+      - greater_or_equal: 9
+      entry_schema:
+        type: tosca.myType
+  node_templates:
+    firatNodeTemplate:
+      type: nodeTypeRef
+      directives:
+      - selectable
+      - substitutable
+      properties:
+        prop2: '{ get_input: my_mysql_rootpw }'
+        prop1: abcd
+      attributes:
+        att2: '{ get_input: my_mysql_rootpw }'
+        att1: att1Val
+      requirements:
+      - req1:
+          capability: capA
+          node: nodeA
+          relationship: relationB
+          node_filter:
+            properties:
+              propName1:
+              - greater_or_equal: 9
+              propName2:
+              - min_length: 1
+              - max_length: 2
+          occurrences:
+          - 1
+          - 2
+      - req2:
+          capability: capA
+          node: nodeA
+          relationship: relationB
+      capabilities:
+      - cap1:
+          properties:
+            num_cpus: '{ get_input: cpus }'
+          attributes:
+            num_cpus: '66'
+      node_filter:
+        properties:
+          test1:
+          - equal: 1 MB
+  substitution_mappings:
+    node_type: myNodeType.node
+    capabilities:
+      database_endpoint:
+      - database
+      - database_endpoint
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/model/serviceTemplateHeatExtend.yaml b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/model/serviceTemplateHeatExtend.yaml
new file mode 100644
index 0000000000..4515e3dee3
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/model/serviceTemplateHeatExtend.yaml
@@ -0,0 +1,117 @@
+tosca_definitions_version: tosca_simple_yaml_1_0_0
+metadata:
+  template_name: Test
+  template_author: OPENECOMP
+  template_version: 1.0.0
+description: testing desc tosca service template
+imports:
+  myfile1:
+    file: path1/path2/file1.yaml
+  myfile2:
+    file: path1/path2/file2.yaml
+artifact_types:
+  one_artifact:
+    mime_type: application/java-archive
+    file_ext:
+    - yaml
+    - xml
+node_types:
+  compute_node_type:
+    derived_from: tosca.nodes.Root
+    version: 1.0.0
+    description: tosca compute test
+    properties:
+      cpu_num:
+        type: integer
+        description: Number of CPUs requested for a software node instance
+        required: true
+        default: 1
+        status: SUPPORTED
+        constraints:
+        - greater_or_equal: 5.0
+        - equal: 5
+        - greater_than: 6.02
+        - in_range:
+          - 0
+          - UNBOUNDED
+    attributes:
+      attDef1:
+        type: string
+        default: hi
+        status: SUPPORTED
+    requirements:
+    - re1:
+        capability: tosca.cap1
+        occurrences:
+        - 5
+        - 1
+    capabilities:
+      cap1:
+        type: tosca.cap
+        valid_source_types:
+        - node1
+        - node2
+        occurrences:
+        - 1
+        - UNBOUNDED
+topology_template:
+  description: topologi template descroption
+  inputs:
+    inParam1:
+      type: string
+      description: desc
+      required: false
+      default: my default val
+      label: my label
+      constraints:
+      - greater_than: 6
+      - greater_or_equal: 9
+      entry_schema:
+        type: tosca.myType
+  node_templates:
+    firatNodeTemplate:
+      type: nodeTypeRef
+      directives:
+      - selectable
+      - substitutable
+      properties:
+        prop2: '{ get_input: my_mysql_rootpw }'
+        prop1: abcd
+      attributes:
+        att2: '{ get_input: my_mysql_rootpw }'
+        att1: att1Val
+      requirements:
+      - req1:
+          capability: capA
+          node: nodeA
+          relationship: relationB
+          node_filter:
+            properties:
+              propName1:
+              - greater_or_equal: 9
+              propName2:
+              - min_length: 1
+              - max_length: 2
+          occurrences:
+          - 1
+          - 2
+      - req2:
+          capability: capA
+          node: nodeA
+          relationship: relationB
+      capabilities:
+      - cap1:
+          properties:
+            num_cpus: '{ get_input: cpus }'
+          attributes:
+            num_cpus: '66'
+      node_filter:
+        properties:
+          test1:
+          - equal: 1 MB
+  substitution_mappings:
+    node_type: myNodeType.node
+    capabilities:
+      database_endpoint:
+      - database
+      - database_endpoint