Add template and tosca model entities and repositories

Add Control loop template, tosca model and model policy properties
hibernate entity classes and crud repositories

Issue-ID: CLAMP-555
Change-Id: Ib7f07aca5ad2ddf5caff7c98ea9341bdc147e817
Signed-off-by: nrpandya <neenendra.pandya@att.com>

34 files changed, 2191 insertions, 474 deletions

diff --git a/src/main/java/org/onap/clamp/clds/Application.java b/src/main/java/org/onap/clamp/clds/Application.java
index e41140f5c..63320d2fe 100644
--- a/src/main/java/org/onap/clamp/clds/Application.java
+++ b/src/main/java/org/onap/clamp/clds/Application.java
@@ -58,6 +58,7 @@ import org.springframework.boot.web.servlet.support.SpringBootServletInitializer
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.ComponentScan;
 import org.springframework.core.env.Environment;
+import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
 import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
 import org.springframework.scheduling.annotation.EnableAsync;
 import org.springframework.scheduling.annotation.EnableScheduling;
@@ -65,13 +66,14 @@ import org.springframework.transaction.annotation.EnableTransactionManagement;
 
 @ComponentScan(basePackages = { "org.onap.clamp" })
 @SpringBootApplication(exclude = { DataSourceAutoConfiguration.class, SecurityAutoConfiguration.class,
-        UserDetailsServiceAutoConfiguration.class })
+    UserDetailsServiceAutoConfiguration.class })
 @EnableJpaRepositories(basePackages = { "org.onap.clamp" })
 @EntityScan(basePackages = { "org.onap.clamp" })
 @EnableTransactionManagement
 @EnableConfigurationProperties
 @EnableAsync
 @EnableScheduling
+@EnableJpaAuditing
 public class Application extends SpringBootServletInitializer {
 
     protected static final EELFLogger eelfLogger = EELFManager.getInstance().getLogger(Application.class);
@@ -137,8 +139,6 @@ public class Application extends SpringBootServletInitializer {
         return tomcat;
     }
 
-
-
     private Connector createRedirectConnector(int redirectSecuredPort) {
         if (redirectSecuredPort <= 0) {
             eelfLogger.warn("HTTP port redirection to HTTPS is disabled because the HTTPS port is 0 (random port) or -1"
@@ -159,7 +159,7 @@ public class Application extends SpringBootServletInitializer {
             if (env.getProperty("server.ssl.key-store") != null) {
 
                 KeyStore keystore = KeyStore.getInstance(env.getProperty("server.ssl.key-store-type"));
-                String password = PassDecoder.decode(env.getProperty("server.ssl.key-store-password"), 
+                String password = PassDecoder.decode(env.getProperty("server.ssl.key-store-password"),
                         env.getProperty("clamp.config.keyFile"));
                 String keyStore = env.getProperty("server.ssl.key-store");
                 InputStream is = ResourceFileUtil.getResourceAsStream(keyStore.replaceAll("classpath:", ""));
diff --git a/src/main/java/org/onap/clamp/clds/ClampInUserAuditorAware.java b/src/main/java/org/onap/clamp/clds/ClampInUserAuditorAware.java
new file mode 100644
index 000000000..d18e7ebf3
--- /dev/null
+++ b/src/main/java/org/onap/clamp/clds/ClampInUserAuditorAware.java
@@ -0,0 +1,46 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP CLAMP
+ * ================================================================================
+ * Copyright (C) 2020 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.onap.clamp.clds;
+
+import java.util.Optional;
+
+import org.springframework.data.domain.AuditorAware;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.stereotype.Component;
+
+@Component
+public class ClampInUserAuditorAware implements AuditorAware<String> {
+
+    @Override
+    public Optional<String> getCurrentAuditor() {
+        if (SecurityContextHolder.getContext().getAuthentication() != null
+                && SecurityContextHolder.getContext().getAuthentication().getPrincipal() != null) {
+            return Optional.of(((UserDetails) SecurityContextHolder.getContext().getAuthentication().getPrincipal())
+                    .getUsername());
+        }
+        return Optional.of("");
+    }
+
+}
diff --git a/src/main/java/org/onap/clamp/clds/filter/ClampCadiFilter.java b/src/main/java/org/onap/clamp/clds/filter/ClampCadiFilter.java
index 9e04bd084..3bbb8a0bc 100644
--- a/src/main/java/org/onap/clamp/clds/filter/ClampCadiFilter.java
+++ b/src/main/java/org/onap/clamp/clds/filter/ClampCadiFilter.java
@@ -153,7 +153,7 @@ public class ClampCadiFilter extends CadiFilter {
                                 URLDecoder.decode(certHeader, StandardCharsets.UTF_8.toString()).getBytes()));
                 X509Certificate caCert = (X509Certificate) certificateFactory
                         .generateCertificate(new ByteArrayInputStream(
-                        ResourceFileUtil.getResourceAsString("clds/aaf/ssl/ca-certs.pem").getBytes()));
+                                ResourceFileUtil.getResourceAsString("clds/aaf/ssl/ca-certs.pem").getBytes()));
 
                 X509Certificate[] certifArray = ((X509Certificate[]) request
                         .getAttribute("javax.servlet.request.X509Certificate"));
diff --git a/src/main/java/org/onap/clamp/clds/model/CldsDictionary.java b/src/main/java/org/onap/clamp/clds/model/CldsDictionary.java
deleted file mode 100644
index 35fbcec46..000000000
--- a/src/main/java/org/onap/clamp/clds/model/CldsDictionary.java
+++ /dev/null
@@ -1,159 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP CLAMP
- * ================================================================================
- * Copyright (C) 2018 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.onap.clamp.clds.model;
-
-import com.google.gson.annotations.Expose;
-
-import java.util.ArrayList;
-import java.util.List;
-
-/**
- * Represents a CLDS Dictionary.
- */
-
-public class CldsDictionary {
-
-    @Expose
-    private String dictionaryId;
-    @Expose
-    private String dictionaryName;
-
-    @Expose
-    private String createdBy;
-    @Expose
-    private String updatedBy;
-    @Expose
-    private String lastUpdatedDate;
-    @Expose
-    private List<CldsDictionaryItem> cldsDictionaryItems = new ArrayList<>();
-
-    /**
-     * Get the dictionary ID.
-     * 
-     * @return the dictionaryId
-     */
-    public String getDictionaryId() {
-        return dictionaryId;
-    }
-
-    /**
-     * Set the dictionary Id.
-     * 
-     * @param dictionaryId the dictionaryId to set
-     */
-    public void setDictionaryId(String dictionaryId) {
-        this.dictionaryId = dictionaryId;
-    }
-
-    /**
-     * Get the dictionary name.
-     * 
-     * @return the dictionaryName
-     */
-    public String getDictionaryName() {
-        return dictionaryName;
-    }
-
-    /**
-     * Set the dictionary name.
-     * 
-     * @param dictionaryName the dictionaryName to set
-     */
-    public void setDictionaryName(String dictionaryName) {
-        this.dictionaryName = dictionaryName;
-    }
-
-    /**
-     * Get the createdBy info.
-     * 
-     * @return the createdBy
-     */
-    public String getCreatedBy() {
-        return createdBy;
-    }
-
-    /**
-     * Set the createdBy info.
-     * 
-     * @param createdBy the createdBy to set
-     */
-    public void setCreatedBy(String createdBy) {
-        this.createdBy = createdBy;
-    }
-
-    /**
-     * Get the updatedBy info.
-     * 
-     * @return the updatedBy
-     */
-    public String getUpdatedBy() {
-        return updatedBy;
-    }
-
-    /**
-     * Set the updatedBy info.
-     * 
-     * @param updatedby the updatedBy to set
-     */
-    public void setUpdatedBy(String updatedby) {
-        updatedBy = updatedby;
-    }
-
-    /**
-     * Get the last updated date.
-     * 
-     * @return the lastUpdatedDate
-     */
-    public String getLastUpdatedDate() {
-        return lastUpdatedDate;
-    }
-
-    /**
-     * Set the last updated date.
-     * 
-     * @param lastUpdatedDate the lastUpdatedDate to set
-     */
-    public void setLastUpdatedDate(String lastUpdatedDate) {
-        this.lastUpdatedDate = lastUpdatedDate;
-    }
-
-    /**
-     * Get all the dictionary items.
-     * 
-     * @return the cldsDictionaryItems
-     */
-    public List<CldsDictionaryItem> getCldsDictionaryItems() {
-        return cldsDictionaryItems;
-    }
-
-    /**
-     * Set the whole dictionary items.
-     * 
-     * @param cldsDictionaryItems the cldsDictionaryItems to set
-     */
-    public void setCldsDictionaryItems(List<CldsDictionaryItem> cldsDictionaryItems) {
-        this.cldsDictionaryItems = cldsDictionaryItems;
-    }
-
-}
diff --git a/src/main/java/org/onap/clamp/clds/model/CldsDictionaryItem.java b/src/main/java/org/onap/clamp/clds/model/CldsDictionaryItem.java
deleted file mode 100644
index 1b79bdfa9..000000000
--- a/src/main/java/org/onap/clamp/clds/model/CldsDictionaryItem.java
+++ /dev/null
@@ -1,214 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP CLAMP
- * ================================================================================
- * Copyright (C) 2018 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.onap.clamp.clds.model;
-
-import com.google.gson.annotations.Expose;
-
-/**
- * Represents a CLDS Dictionary Item.
- */
-public class CldsDictionaryItem {
-
-    @Expose
-    private String dictElementId;
-    @Expose
-    private String dictionaryId;
-    @Expose
-    private String dictElementName;
-    @Expose
-    private String dictElementShortName;
-    @Expose
-    private String dictElementDesc;
-    @Expose
-    private String dictElementType;
-    @Expose
-    private String createdBy;
-    @Expose
-    private String updatedBy;
-    @Expose
-    private String lastUpdatedDate;
-
-    /**
-     * Get the dictionary element id.
-     *
-     * @return the dictElementId
-     */
-    public String getDictElementId() {
-        return dictElementId;
-    }
-
-    /**
-     * Set the dictionary element id.
-     *
-     * @param dictElementId the dictElementId to set
-     */
-    public void setDictElementId(String dictElementId) {
-        this.dictElementId = dictElementId;
-    }
-
-    /**
-     * Get the dictionary id.
-     *
-     * @return the dictionaryId
-     */
-    public String getDictionaryId() {
-        return dictionaryId;
-    }
-
-    /**
-     * Set the dictionary id.
-     *
-     * @param dictionaryId the dictionaryId to set
-     */
-    public void setDictionaryId(String dictionaryId) {
-        this.dictionaryId = dictionaryId;
-    }
-
-    /**
-     * Get the dictionary name.
-     *
-     * @return the dictElementName
-     */
-    public String getDictElementName() {
-        return dictElementName;
-    }
-
-    /**
-     * Set the dictionary name.
-     *
-     * @param dictElementName the dictElementName to set
-     */
-    public void setDictElementName(String dictElementName) {
-        this.dictElementName = dictElementName;
-    }
-
-    /**
-     * Get the dictionary element short name.
-     *
-     * @return the dictElementShortName
-     */
-    public String getDictElementShortName() {
-        return dictElementShortName;
-    }
-
-    /**
-     * Set the dictionary element short name.
-     *
-     * @param dictElementShortName the dictElementShortName to set
-     */
-    public void setDictElementShortName(String dictElementShortName) {
-        this.dictElementShortName = dictElementShortName;
-    }
-
-    /**
-     * Get the dictionary element description.
-     *
-     * @return the dictElementDesc
-     */
-    public String getDictElementDesc() {
-        return dictElementDesc;
-    }
-
-    /**
-     * Set the dictionary element description.
-     *
-     * @param dictElementDesc the dictElementDesc to set
-     */
-    public void setDictElementDesc(String dictElementDesc) {
-        this.dictElementDesc = dictElementDesc;
-    }
-
-    /**
-     * Get the dictionary element type.
-     *
-     * @return the dictElementType
-     */
-    public String getDictElementType() {
-        return dictElementType;
-    }
-
-    /**
-     * Set the dictionary element type.
-     *
-     * @param dictElementType the dictElementType to set
-     */
-    public void setDictElementType(String dictElementType) {
-        this.dictElementType = dictElementType;
-    }
-
-    /**
-     * Get the createdBy info.
-     *
-     * @return the createdBy
-     */
-    public String getCreatedBy() {
-        return createdBy;
-    }
-
-    /**
-     * Set the createdBy info.
-     *
-     * @param createdBy the createdBy to set
-     */
-    public void setCreatedBy(String createdBy) {
-        this.createdBy = createdBy;
-    }
-
-    /**
-     * Get the updatedBy info.
-     *
-     * @return the updatedBy
-     */
-    public String getUpdatedBy() {
-        return updatedBy;
-    }
-
-    /**
-     * Set the updatedBy info.
-     *
-     * @param updatedby the updatedBy to set
-     */
-    public void setUpdatedBy(String updatedby) {
-        updatedBy = updatedby;
-    }
-
-    /**
-     * Get the last updated date.
-     *
-     * @return the lastUpdatedDate
-     */
-    public String getLastUpdatedDate() {
-        return lastUpdatedDate;
-    }
-
-    /**
-     * Set the last updated date.
-     *
-     * @param lastUpdatedDate the lastUpdatedDate to set
-     */
-    public void setLastUpdatedDate(String lastUpdatedDate) {
-        this.lastUpdatedDate = lastUpdatedDate;
-    }
-
-}
diff --git a/src/main/java/org/onap/clamp/clds/tosca/ToscaYamlToJsonConvertor.java b/src/main/java/org/onap/clamp/clds/tosca/ToscaYamlToJsonConvertor.java
index 43dd5f451..2e025ba7d 100644
--- a/src/main/java/org/onap/clamp/clds/tosca/ToscaYamlToJsonConvertor.java
+++ b/src/main/java/org/onap/clamp/clds/tosca/ToscaYamlToJsonConvertor.java
@@ -481,63 +481,6 @@ public class ToscaYamlToJsonConvertor {
 
     private void processDictionaryElements(JSONObject childObject, String dictionaryReference) {
 
-        /*
-         * if (dictionaryReference.contains("#")) { String[] dictionaryKeyArray =
-         * dictionaryReference
-         * .substring(dictionaryReference.indexOf(ToscaSchemaConstants.DICTIONARY) + 11,
-         * dictionaryReference.length()) .split("#"); // We support only one # as of
-         * now. List<CldsDictionaryItem> cldsDictionaryElements = null;
-         * List<CldsDictionaryItem> subDictionaryElements = null; if (dictionaryKeyArray
-         * != null && dictionaryKeyArray.length == 2) { cldsDictionaryElements =
-         * getCldsDao().getDictionaryElements(dictionaryKeyArray[0], null, null);
-         * subDictionaryElements =
-         * getCldsDao().getDictionaryElements(dictionaryKeyArray[1], null, null);
-         * 
-         * if (cldsDictionaryElements != null) { List<String> subCldsDictionaryNames =
-         * subDictionaryElements.stream()
-         * .map(CldsDictionaryItem::getDictElementShortName).collect(Collectors.toList()
-         * ); JSONArray jsonArray = new JSONArray();
-         * 
-         * Optional.ofNullable(cldsDictionaryElements).get().stream().forEach(c -> {
-         * JSONObject jsonObject = new JSONObject();
-         * jsonObject.put(JsonEditorSchemaConstants.TYPE,
-         * getJsonType(c.getDictElementType())); if (c.getDictElementType() != null &&
-         * c.getDictElementType().equalsIgnoreCase(ToscaSchemaConstants.TYPE_STRING)) {
-         * jsonObject.put(JsonEditorSchemaConstants.MIN_LENGTH, 1); }
-         * jsonObject.put(JsonEditorSchemaConstants.ID, c.getDictElementName());
-         * jsonObject.put(JsonEditorSchemaConstants.LABEL, c.getDictElementShortName());
-         * jsonObject.put(JsonEditorSchemaConstants.OPERATORS, subCldsDictionaryNames);
-         * jsonArray.put(jsonObject); }); ; JSONObject filterObject = new JSONObject();
-         * filterObject.put(JsonEditorSchemaConstants.FILTERS, jsonArray);
-         * 
-         * childObject.put(JsonEditorSchemaConstants.TYPE,
-         * JsonEditorSchemaConstants.TYPE_QBLDR); // TO invoke validation on such
-         * parameters childObject.put(JsonEditorSchemaConstants.MIN_LENGTH, 1);
-         * childObject.put(JsonEditorSchemaConstants.QSSCHEMA, filterObject);
-         * 
-         * } } } else { String dictionaryKey = dictionaryReference.substring(
-         * dictionaryReference.indexOf(ToscaSchemaConstants.DICTIONARY) + 11,
-         * dictionaryReference.length()); if (dictionaryKey != null) {
-         * List<CldsDictionaryItem> cldsDictionaryElements =
-         * getCldsDao().getDictionaryElements(dictionaryKey, null, null); if
-         * (cldsDictionaryElements != null) { List<String> cldsDictionaryNames = new
-         * ArrayList<>(); List<String> cldsDictionaryFullNames = new ArrayList<>();
-         * cldsDictionaryElements.stream().forEach(c -> { // Json type will be
-         * translated before Policy creation if (c.getDictElementType() != null &&
-         * !c.getDictElementType().equalsIgnoreCase("json")) {
-         * cldsDictionaryFullNames.add(c.getDictElementName()); }
-         * cldsDictionaryNames.add(c.getDictElementShortName()); });
-         * 
-         * if (cldsDictionaryFullNames.size() > 0) {
-         * childObject.put(JsonEditorSchemaConstants.ENUM, cldsDictionaryFullNames); //
-         * Add Enum titles for generated translated values during JSON instance //
-         * generation JSONObject enumTitles = new JSONObject();
-         * enumTitles.put(JsonEditorSchemaConstants.ENUM_TITLES, cldsDictionaryNames);
-         * childObject.put(JsonEditorSchemaConstants.OPTIONS, enumTitles); } else {
-         * childObject.put(JsonEditorSchemaConstants.ENUM, cldsDictionaryNames); }
-         * 
-         * } } }
-         */
     }
 
     private String getJsonType(String toscaType) {
diff --git a/src/main/java/org/onap/clamp/loop/Loop.java b/src/main/java/org/onap/clamp/loop/Loop.java
index 531587a75..66046f02b 100644
--- a/src/main/java/org/onap/clamp/loop/Loop.java
+++ b/src/main/java/org/onap/clamp/loop/Loop.java
@@ -56,18 +56,20 @@ import org.hibernate.annotations.Type;
 import org.hibernate.annotations.TypeDef;
 import org.hibernate.annotations.TypeDefs;
 import org.onap.clamp.dao.model.jsontype.StringJsonUserType;
+import org.onap.clamp.loop.common.AuditEntity;
 import org.onap.clamp.loop.components.external.DcaeComponent;
 import org.onap.clamp.loop.components.external.ExternalComponent;
 import org.onap.clamp.loop.components.external.PolicyComponent;
 import org.onap.clamp.loop.log.LoopLog;
 import org.onap.clamp.loop.service.Service;
+import org.onap.clamp.loop.template.LoopTemplate;
 import org.onap.clamp.policy.microservice.MicroServicePolicy;
 import org.onap.clamp.policy.operational.OperationalPolicy;
 
 @Entity
 @Table(name = "loops")
 @TypeDefs({ @TypeDef(name = "json", typeClass = StringJsonUserType.class) })
-public class Loop implements Serializable {
+public class Loop extends AuditEntity implements Serializable {
 
     /**
      * The serial version id.
@@ -103,7 +105,7 @@ public class Loop implements Serializable {
     private JsonObject globalPropertiesJson;
 
     @Expose
-    @ManyToOne(fetch = FetchType.EAGER)
+    @ManyToOne(fetch = FetchType.EAGER, cascade = { CascadeType.PERSIST, CascadeType.MERGE, CascadeType.REFRESH })
     @JoinColumn(name = "service_uuid")
     private Service modelService;
 
@@ -120,19 +122,24 @@ public class Loop implements Serializable {
     private final Map<String, ExternalComponent> components = new HashMap<>();
 
     @Expose
-    @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.EAGER, mappedBy = "loop")
+    @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.EAGER, mappedBy = "loop", orphanRemoval = true)
     private Set<OperationalPolicy> operationalPolicies = new HashSet<>();
 
     @Expose
-    @ManyToMany(cascade = CascadeType.ALL, fetch = FetchType.EAGER)
+    @ManyToMany(cascade = { CascadeType.PERSIST, CascadeType.MERGE, CascadeType.REFRESH }, fetch = FetchType.EAGER)
     @JoinTable(name = "loops_microservicepolicies", joinColumns = @JoinColumn(name = "loop_id"), inverseJoinColumns = @JoinColumn(name = "microservicepolicy_id"))
     private Set<MicroServicePolicy> microServicePolicies = new HashSet<>();
 
     @Expose
-    @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.EAGER, mappedBy = "loop")
+    @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.EAGER, mappedBy = "loop", orphanRemoval = true)
     @SortNatural
     private SortedSet<LoopLog> loopLogs = new TreeSet<>();
 
+    @Expose
+    @ManyToOne(cascade = { CascadeType.PERSIST, CascadeType.MERGE, CascadeType.REFRESH }, fetch = FetchType.EAGER)
+    @JoinColumn(name = "loop_template_name")
+    private LoopTemplate loopTemplate;
+
     private void initializeExternalComponents() {
         this.addComponent(new PolicyComponent());
         this.addComponent(new DcaeComponent());
@@ -280,6 +287,14 @@ public class Loop implements Serializable {
         this.components.put(component.getComponentName(), component);
     }
 
+    public LoopTemplate getLoopTemplate() {
+        return loopTemplate;
+    }
+
+    public void setLoopTemplate(LoopTemplate loopTemplate) {
+        this.loopTemplate = loopTemplate;
+    }
+
     /**
      * Generate the loop name.
      *
diff --git a/src/main/java/org/onap/clamp/loop/LoopService.java b/src/main/java/org/onap/clamp/loop/LoopService.java
index d1ab0e396..85e24cd00 100644
--- a/src/main/java/org/onap/clamp/loop/LoopService.java
+++ b/src/main/java/org/onap/clamp/loop/LoopService.java
@@ -31,29 +31,23 @@ import java.util.Set;
 import javax.persistence.EntityNotFoundException;
 
 import org.onap.clamp.policy.microservice.MicroServicePolicy;
-import org.onap.clamp.policy.microservice.MicroservicePolicyService;
+import org.onap.clamp.policy.microservice.MicroServicePolicyService;
 import org.onap.clamp.policy.operational.OperationalPolicy;
 import org.onap.clamp.policy.operational.OperationalPolicyService;
-import org.springframework.stereotype.Component;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
 @Service
-@Component
 public class LoopService {
 
-    private final LoopsRepository loopsRepository;
-    private final MicroservicePolicyService microservicePolicyService;
-    private final OperationalPolicyService operationalPolicyService;
-
-    /**
-     * Constructor.
-     */
-    public LoopService(LoopsRepository loopsRepository, MicroservicePolicyService microservicePolicyService,
-        OperationalPolicyService operationalPolicyService) {
-        this.loopsRepository = loopsRepository;
-        this.microservicePolicyService = microservicePolicyService;
-        this.operationalPolicyService = operationalPolicyService;
-    }
+    @Autowired
+    private LoopsRepository loopsRepository;
+
+    @Autowired
+    private MicroServicePolicyService microservicePolicyService;
+
+    @Autowired
+    private OperationalPolicyService operationalPolicyService;
 
     Loop saveOrUpdateLoop(Loop loop) {
         return loopsRepository.save(loop);
@@ -109,6 +103,6 @@ public class LoopService {
 
     private Loop findClosedLoopByName(String loopName) {
         return loopsRepository.findById(loopName)
-            .orElseThrow(() -> new EntityNotFoundException("Couldn't find closed loop named: " + loopName));
+                .orElseThrow(() -> new EntityNotFoundException("Couldn't find closed loop named: " + loopName));
     }
 }
diff --git a/src/main/java/org/onap/clamp/loop/LoopsRepository.java b/src/main/java/org/onap/clamp/loop/LoopsRepository.java
index 37c47622f..aaa49116f 100644
--- a/src/main/java/org/onap/clamp/loop/LoopsRepository.java
+++ b/src/main/java/org/onap/clamp/loop/LoopsRepository.java
@@ -24,12 +24,13 @@
 package org.onap.clamp.loop;
 
 import java.util.List;
+
+import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.Query;
-import org.springframework.data.repository.CrudRepository;
 import org.springframework.stereotype.Repository;
 
 @Repository
-public interface LoopsRepository extends CrudRepository<Loop, String> {
+public interface LoopsRepository extends JpaRepository<Loop, String> {
 
     @Query("SELECT loop.name FROM Loop as loop")
     List<String> getAllLoopNames();
diff --git a/src/main/java/org/onap/clamp/loop/common/AuditEntity.java b/src/main/java/org/onap/clamp/loop/common/AuditEntity.java
new file mode 100644
index 000000000..445f5b9e8
--- /dev/null
+++ b/src/main/java/org/onap/clamp/loop/common/AuditEntity.java
@@ -0,0 +1,108 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP CLAMP
+ * ================================================================================
+ * Copyright (C) 2020 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.onap.clamp.loop.common;
+
+import com.google.gson.annotations.Expose;
+
+import java.time.Instant;
+import java.time.temporal.ChronoUnit;
+
+import javax.persistence.Column;
+import javax.persistence.EntityListeners;
+import javax.persistence.MappedSuperclass;
+
+import org.springframework.data.annotation.CreatedBy;
+import org.springframework.data.annotation.CreatedDate;
+import org.springframework.data.annotation.LastModifiedBy;
+import org.springframework.data.annotation.LastModifiedDate;
+import org.springframework.data.jpa.domain.support.AuditingEntityListener;
+
+@MappedSuperclass
+@EntityListeners(AuditingEntityListener.class)
+public class AuditEntity {
+
+    @Expose
+    @CreatedDate
+    @Column(name = "created_timestamp", nullable = false, updatable = false)
+    private Instant createdDate;
+
+    @Expose
+    @LastModifiedDate
+    @Column(name = "updated_timestamp", nullable = false)
+    private Instant updatedDate;
+
+    @Expose
+    @LastModifiedBy
+    @Column(name = "updated_by")
+    private String updatedBy;
+
+    @Expose
+    @CreatedBy
+    @Column(name = "created_by")
+    private String createdBy;
+
+    public Instant getCreatedDate() {
+        return createdDate;
+    }
+
+    public void setCreatedDate(Instant createdDate) {
+        if (createdDate != null) {
+            this.createdDate = createdDate.truncatedTo(ChronoUnit.SECONDS);
+        } else {
+            this.createdDate = null;
+        }
+    }
+
+    public Instant getUpdatedDate() {
+        return updatedDate;
+    }
+
+    public void setUpdatedDate(Instant updatedDate) {
+        if (updatedDate != null) {
+            this.updatedDate = updatedDate.truncatedTo(ChronoUnit.SECONDS);
+        } else {
+            this.updatedDate = null;
+        }
+    }
+
+    public String getUpdatedBy() {
+        return updatedBy;
+    }
+
+    public void setUpdatedBy(String updatedBy) {
+        this.updatedBy = updatedBy;
+    }
+
+    public String getCreatedBy() {
+        return createdBy;
+    }
+
+    public void setCreatedBy(String createdBy) {
+        this.createdBy = createdBy;
+    }
+
+    public AuditEntity() {
+    }
+
+}
diff --git a/src/main/java/org/onap/clamp/loop/log/LoopLog.java b/src/main/java/org/onap/clamp/loop/log/LoopLog.java
index 0e1153a32..e49598879 100644
--- a/src/main/java/org/onap/clamp/loop/log/LoopLog.java
+++ b/src/main/java/org/onap/clamp/loop/log/LoopLog.java
@@ -190,9 +190,7 @@ public class LoopLog implements Serializable, Comparable<LoopLog> {
         if (arg0.getId() == null) {
             return -1;
         }
-
         return arg0.getId().compareTo(this.getId());
-
     }
 
 }
diff --git a/src/main/java/org/onap/clamp/loop/log/LoopLogRepository.java b/src/main/java/org/onap/clamp/loop/log/LoopLogRepository.java
index 103341fa5..0b3c34ec0 100644
--- a/src/main/java/org/onap/clamp/loop/log/LoopLogRepository.java
+++ b/src/main/java/org/onap/clamp/loop/log/LoopLogRepository.java
@@ -23,10 +23,10 @@
 
 package org.onap.clamp.loop.log;
 
-import org.springframework.data.repository.CrudRepository;
+import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.stereotype.Repository;
 
 @Repository
-public interface LoopLogRepository extends CrudRepository<LoopLog, Long> {
+public interface LoopLogRepository extends JpaRepository<LoopLog, Long> {
 
 }
diff --git a/src/main/java/org/onap/clamp/loop/service/Service.java b/src/main/java/org/onap/clamp/loop/service/Service.java
index 115f9f768..b74ee0b0d 100644
--- a/src/main/java/org/onap/clamp/loop/service/Service.java
+++ b/src/main/java/org/onap/clamp/loop/service/Service.java
@@ -39,9 +39,9 @@ import javax.persistence.Transient;
 import org.hibernate.annotations.Type;
 import org.hibernate.annotations.TypeDef;
 import org.hibernate.annotations.TypeDefs;
+import org.onap.clamp.clds.util.JsonUtils;
 import org.onap.clamp.dao.model.jsontype.StringJsonUserType;
 
-
 @Entity
 @Table(name = "services")
 @TypeDefs({ @TypeDef(name = "json", typeClass = StringJsonUserType.class) })
@@ -76,13 +76,25 @@ public class Service implements Serializable {
     private JsonObject resourceDetails;
 
     /**
-     * Public constructor.
+     * Default constructor for serialization.
      */
     public Service() {
     }
 
     /**
-     * Constructor.
+     * Constructor with string.
+     */
+    public Service(String serviceDetails, String resourceDetails) {
+        JsonObject serviceDetailsJson = JsonUtils.GSON.fromJson(serviceDetails, JsonObject.class);
+        JsonObject resourceDetailsJson = JsonUtils.GSON.fromJson(resourceDetails, JsonObject.class);
+        this.name = serviceDetailsJson.get("name").getAsString();
+        this.serviceUuid = serviceDetailsJson.get("UUID").getAsString();
+        this.serviceDetails = serviceDetailsJson;
+        this.resourceDetails = resourceDetailsJson;
+    }
+
+    /**
+     * Constructor with Json Object.
      */
     public Service(JsonObject serviceDetails, JsonObject resourceDetails, String version) {
         this.name = serviceDetails.get("name").getAsString();
diff --git a/src/main/java/org/onap/clamp/loop/service/ServicesRepository.java b/src/main/java/org/onap/clamp/loop/service/ServicesRepository.java
new file mode 100644
index 000000000..fe5ba8ed0
--- /dev/null
+++ b/src/main/java/org/onap/clamp/loop/service/ServicesRepository.java
@@ -0,0 +1,31 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP CLAMP
+ * ================================================================================
+ * Copyright (C) 2020 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.onap.clamp.loop.service;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface ServicesRepository extends JpaRepository<Service, String> {
+}
diff --git a/src/main/java/org/onap/clamp/loop/template/LoopTemplate.java b/src/main/java/org/onap/clamp/loop/template/LoopTemplate.java
new file mode 100644
index 000000000..10367e77d
--- /dev/null
+++ b/src/main/java/org/onap/clamp/loop/template/LoopTemplate.java
@@ -0,0 +1,268 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP CLAMP
+ * ================================================================================
+ * Copyright (C) 2019 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.onap.clamp.loop.template;
+
+import com.google.gson.annotations.Expose;
+
+import java.io.Serializable;
+import java.util.SortedSet;
+import java.util.TreeSet;
+
+import javax.persistence.CascadeType;
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.FetchType;
+import javax.persistence.Id;
+import javax.persistence.JoinColumn;
+import javax.persistence.ManyToOne;
+import javax.persistence.OneToMany;
+import javax.persistence.Table;
+
+import org.hibernate.annotations.SortNatural;
+import org.onap.clamp.loop.common.AuditEntity;
+import org.onap.clamp.loop.service.Service;
+
+@Entity
+@Table(name = "loop_templates")
+public class LoopTemplate extends AuditEntity implements Serializable {
+
+    /**
+     * The serial version id.
+     */
+    private static final long serialVersionUID = -286522707701388642L;
+
+    @Id
+    @Expose
+    @Column(nullable = false, name = "name", unique = true)
+    private String name;
+
+    /**
+     * This field is used when we have a blueprint defining all microservices. The
+     * other option would be to have independent blueprint for each microservices.
+     * In that case they are stored in each MicroServiceModel
+     */
+    @Column(columnDefinition = "MEDIUMTEXT", nullable = false, name = "blueprint_yaml")
+    private String blueprint;
+
+    @Expose
+    @Column(columnDefinition = "MEDIUMTEXT", name = "svg_representation")
+    private String svgRepresentation;
+
+    @Expose
+    @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.EAGER, mappedBy = "loopTemplate", orphanRemoval = true)
+    @SortNatural
+    private SortedSet<TemplateMicroServiceModel> microServiceModelUsed = new TreeSet<>();
+
+    @Expose
+    @ManyToOne(fetch = FetchType.EAGER, cascade = { CascadeType.PERSIST, CascadeType.MERGE, CascadeType.REFRESH })
+    @JoinColumn(name = "service_uuid")
+    private Service modelService;
+
+    @Expose
+    @Column(name = "maximum_instances_allowed")
+    private Integer maximumInstancesAllowed;
+
+    /**
+     * name getter.
+     * 
+     * @return the name
+     */
+    public String getName() {
+        return name;
+    }
+
+    /**
+     * name setter.
+     * 
+     * @param name the name to set
+     */
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    /**
+     * blueprint getter.
+     * 
+     * @return the blueprint
+     */
+    public String getBlueprint() {
+        return blueprint;
+    }
+
+    /**
+     * blueprint setter.
+     * 
+     * @param blueprint the blueprint to set
+     */
+    public void setBlueprint(String blueprint) {
+        this.blueprint = blueprint;
+    }
+
+    /**
+     * svgRepresentation getter.
+     * 
+     * @return the svgRepresentation
+     */
+    public String getSvgRepresentation() {
+        return svgRepresentation;
+    }
+
+    /**
+     * svgRepresentation setter.
+     * 
+     * @param svgRepresentation the svgRepresentation to set
+     */
+    public void setSvgRepresentation(String svgRepresentation) {
+        this.svgRepresentation = svgRepresentation;
+    }
+
+    /**
+     * microServiceModelUsed getter.
+     * 
+     * @return the microServiceModelUsed
+     */
+    public SortedSet<TemplateMicroServiceModel> getMicroServiceModelUsed() {
+        return microServiceModelUsed;
+    }
+
+    /**
+     * maximumInstancesAllowed getter.
+     * 
+     * @return the maximumInstancesAllowed
+     */
+    public Integer getMaximumInstancesAllowed() {
+        return maximumInstancesAllowed;
+    }
+
+    /**
+     * maximumInstancesAllowed setter.
+     * 
+     * @param maximumInstancesAllowed the maximumInstancesAllowed to set
+     */
+    public void setMaximumInstancesAllowed(Integer maximumInstancesAllowed) {
+        this.maximumInstancesAllowed = maximumInstancesAllowed;
+    }
+
+    /**
+     * Add a microService model to the current template, the microservice is added
+     * at the end of the list so the flowOrder is computed automatically.
+     * 
+     * @param microServiceModel The microserviceModel to add
+     */
+    public void addMicroServiceModel(MicroServiceModel microServiceModel) {
+        TemplateMicroServiceModel jointEntry = new TemplateMicroServiceModel(this, microServiceModel,
+                this.microServiceModelUsed.size());
+        this.microServiceModelUsed.add(jointEntry);
+        microServiceModel.getUsedByLoopTemplates().add(jointEntry);
+    }
+
+    /**
+     * Add a microService model to the current template, the flow order must be
+     * specified manually.
+     * 
+     * @param microServiceModel The microserviceModel to add
+     * @param listPosition      The position in the flow
+     */
+    public void addMicroServiceModel(MicroServiceModel microServiceModel, Integer listPosition) {
+        TemplateMicroServiceModel jointEntry = new TemplateMicroServiceModel(this, microServiceModel, listPosition);
+        this.microServiceModelUsed.add(jointEntry);
+        microServiceModel.getUsedByLoopTemplates().add(jointEntry);
+    }
+
+    /**
+     * modelService getter.
+     * 
+     * @return the modelService
+     */
+    public Service getModelService() {
+        return modelService;
+    }
+
+    /**
+     * modelService setter.
+     * 
+     * @param modelService the modelService to set
+     */
+    public void setModelService(Service modelService) {
+        this.modelService = modelService;
+    }
+
+    /**
+     * Default constructor for serialization.
+     */
+    public LoopTemplate() {
+
+    }
+
+    /**
+     * Constructor.
+     * 
+     * @param name                The loop template name id
+     * @param blueprint           The blueprint containing all microservices (legacy
+     *                            case)
+     * @param svgRepresentation   The svg representation of that loop template
+     * @param maxInstancesAllowed The maximum number of instances that can be
+     *                            created from that template
+     * @param service             The service associated to that loop template
+     */
+    public LoopTemplate(String name, String blueprint, String svgRepresentation, Integer maxInstancesAllowed,
+            Service service) {
+        this.name = name;
+        this.blueprint = blueprint;
+        this.svgRepresentation = svgRepresentation;
+
+        this.maximumInstancesAllowed = maxInstancesAllowed;
+        this.modelService = service;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((name == null) ? 0 : name.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null) {
+            return false;
+        }
+        if (getClass() != obj.getClass()) {
+            return false;
+        }
+        LoopTemplate other = (LoopTemplate) obj;
+        if (name == null) {
+            if (other.name != null) {
+                return false;
+            }
+        } else if (!name.equals(other.name)) {
+            return false;
+        }
+        return true;
+    }
+}
diff --git a/src/main/java/org/onap/clamp/loop/template/LoopTemplatesRepository.java b/src/main/java/org/onap/clamp/loop/template/LoopTemplatesRepository.java
new file mode 100644
index 000000000..07f304de7
--- /dev/null
+++ b/src/main/java/org/onap/clamp/loop/template/LoopTemplatesRepository.java
@@ -0,0 +1,37 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP CLAMP
+ * ================================================================================
+ * Copyright (C) 2019 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.onap.clamp.loop.template;
+
+import java.util.List;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface LoopTemplatesRepository extends JpaRepository<LoopTemplate, String> {
+
+    @Query("SELECT looptemplate.name FROM LoopTemplate as looptemplate")
+    List<String> getAllLoopTemplateNames();
+}
diff --git a/src/main/java/org/onap/clamp/loop/template/MicroServiceModel.java b/src/main/java/org/onap/clamp/loop/template/MicroServiceModel.java
new file mode 100644
index 000000000..1e2b140e7
--- /dev/null
+++ b/src/main/java/org/onap/clamp/loop/template/MicroServiceModel.java
@@ -0,0 +1,217 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP CLAMP
+ * ================================================================================
+ * Copyright (C) 2018 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.onap.clamp.loop.template;
+
+import com.google.gson.annotations.Expose;
+
+import java.io.Serializable;
+import java.util.HashSet;
+import java.util.Set;
+
+import javax.persistence.CascadeType;
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.FetchType;
+import javax.persistence.Id;
+import javax.persistence.JoinColumn;
+import javax.persistence.JoinColumns;
+import javax.persistence.ManyToOne;
+import javax.persistence.OneToMany;
+import javax.persistence.Table;
+
+import org.onap.clamp.loop.common.AuditEntity;
+
+/**
+ * This class represents a micro service model for a loop template.
+ */
+
+@Entity
+@Table(name = "micro_service_models")
+public class MicroServiceModel extends AuditEntity implements Serializable {
+
+    /**
+     * The serial version id.
+     */
+    private static final long serialVersionUID = -286522707701376645L;
+
+    @Id
+    @Expose
+    @Column(nullable = false, name = "name", unique = true)
+    private String name;
+
+    /**
+     * This variable is used to store the type mentioned in the micro-service
+     * blueprint.
+     */
+    @Expose
+    @Column(nullable = false, name = "policy_type")
+    private String policyType;
+
+    @Column(nullable = false, name = "blueprint_yaml")
+    private String blueprint;
+
+    @Expose
+    @ManyToOne(fetch = FetchType.EAGER, cascade = { CascadeType.PERSIST, CascadeType.MERGE, CascadeType.REFRESH })
+    @JoinColumns({ @JoinColumn(name = "policy_model_type", referencedColumnName = "policy_model_type"),
+        @JoinColumn(name = "policy_model_version", referencedColumnName = "version") })
+    private PolicyModel policyModel;
+
+    @OneToMany(fetch = FetchType.LAZY, mappedBy = "microServiceModel", orphanRemoval = true)
+    private Set<TemplateMicroServiceModel> usedByLoopTemplates = new HashSet<>();
+
+    /**
+     * policyModel getter.
+     * 
+     * @return the policyModel
+     */
+    public PolicyModel getPolicyModel() {
+        return policyModel;
+    }
+
+    /**
+     * policyModel setter.
+     * 
+     * @param policyModel the policyModel to set
+     */
+    public void setPolicyModel(PolicyModel policyModel) {
+        this.policyModel = policyModel;
+    }
+
+    /**
+     * name getter.
+     * 
+     * @return the name
+     */
+    public String getName() {
+        return name;
+    }
+
+    /**
+     * name setter.
+     * 
+     * @param name the name to set
+     */
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    /**
+     * policyType getter.
+     * 
+     * @return the policyType
+     */
+    public String getPolicyType() {
+        return policyType;
+    }
+
+    /**
+     * policyType setter.
+     * 
+     * @param policyType the policyType to set
+     */
+    public void setPolicyType(String policyType) {
+        this.policyType = policyType;
+    }
+
+    /**
+     * blueprint getter.
+     * 
+     * @return the blueprint
+     */
+    public String getBlueprint() {
+        return blueprint;
+    }
+
+    /**
+     * blueprint setter.
+     * 
+     * @param blueprint the blueprint to set
+     */
+    public void setBlueprint(String blueprint) {
+        this.blueprint = blueprint;
+    }
+
+    /**
+     * usedByLoopTemplates getter.
+     * 
+     * @return the usedByLoopTemplates
+     */
+    public Set<TemplateMicroServiceModel> getUsedByLoopTemplates() {
+        return usedByLoopTemplates;
+    }
+
+    /**
+     * Default constructor for serialization.
+     */
+    public MicroServiceModel() {
+    }
+
+    /**
+     * Constructor.
+     * 
+     * @param name        The name id
+     * @param policyType  The policy model type like
+     *                    onap.policies.controlloop.operational.common.Apex
+     * @param blueprint   The blueprint defined for dcae that contains the policy
+     *                    type to use
+     * @param policyModel The policy model for the policy type mentioned here
+     */
+    public MicroServiceModel(String name, String policyType, String blueprint, PolicyModel policyModel) {
+        this.name = name;
+        this.policyType = policyType;
+        this.blueprint = blueprint;
+        this.policyModel = policyModel;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((name == null) ? 0 : name.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null) {
+            return false;
+        }
+        if (getClass() != obj.getClass()) {
+            return false;
+        }
+        MicroServiceModel other = (MicroServiceModel) obj;
+        if (name == null) {
+            if (other.name != null) {
+                return false;
+            }
+        } else if (!name.equals(other.name)) {
+            return false;
+        }
+        return true;
+    }
+
+}
diff --git a/src/main/java/org/onap/clamp/loop/template/MicroServiceModelsRepository.java b/src/main/java/org/onap/clamp/loop/template/MicroServiceModelsRepository.java
new file mode 100644
index 000000000..2b1870485
--- /dev/null
+++ b/src/main/java/org/onap/clamp/loop/template/MicroServiceModelsRepository.java
@@ -0,0 +1,31 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP CLAMP
+ * ================================================================================
+ * Copyright (C) 2019 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.onap.clamp.loop.template;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface MicroServiceModelsRepository extends JpaRepository<MicroServiceModel, String> {
+}
diff --git a/src/main/java/org/onap/clamp/loop/template/PolicyModel.java b/src/main/java/org/onap/clamp/loop/template/PolicyModel.java
new file mode 100644
index 000000000..e6580beed
--- /dev/null
+++ b/src/main/java/org/onap/clamp/loop/template/PolicyModel.java
@@ -0,0 +1,239 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP CLAMP
+ * ================================================================================
+ * Copyright (C) 2019 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.onap.clamp.loop.template;
+
+import com.google.gson.annotations.Expose;
+
+import java.io.Serializable;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.IdClass;
+import javax.persistence.Table;
+
+import org.onap.clamp.loop.common.AuditEntity;
+import org.onap.clamp.util.SemanticVersioning;
+
+/**
+ * This class represents the policy model tosca revision that we can have to a
+ * specific microservice.
+ */
+@Entity
+@Table(name = "policy_models")
+@IdClass(PolicyModelId.class)
+public class PolicyModel extends AuditEntity implements Serializable, Comparable<PolicyModel> {
+
+    /**
+     * The serial version id.
+     */
+    private static final long serialVersionUID = -286522705701376645L;
+
+    /**
+     * This variable is used to store the type mentioned in the micro-service
+     * blueprint.
+     */
+    @Id
+    @Expose
+    @Column(nullable = false, name = "policy_model_type")
+    private String policyModelType;
+
+    /**
+     * Semantic versioning on policy side.
+     */
+    @Id
+    @Expose
+    @Column(name = "version")
+    private String version;
+
+    @Column(columnDefinition = "MEDIUMTEXT", name = "policy_tosca")
+    private String policyModelTosca;
+
+    @Expose
+    @Column(name = "policy_acronym")
+    private String policyAcronym;
+
+    @Expose
+    @Column(name = "policy_variant")
+    private String policyVariant;
+
+    /**
+     * policyModelTosca getter.
+     * 
+     * @return the policyModelTosca
+     */
+    public String getPolicyModelTosca() {
+        return policyModelTosca;
+    }
+
+    /**
+     * policyModelTosca setter.
+     * 
+     * @param policyModelTosca the policyModelTosca to set
+     */
+    public void setPolicyModelTosca(String policyModelTosca) {
+        this.policyModelTosca = policyModelTosca;
+    }
+
+    /**
+     * policyModelType getter.
+     * 
+     * @return the modelType
+     */
+    public String getPolicyModelType() {
+        return policyModelType;
+    }
+
+    /**
+     * policyModelType setter.
+     * 
+     * @param modelType the modelType to set
+     */
+    public void setPolicyModelType(String modelType) {
+        this.policyModelType = modelType;
+    }
+
+    /**
+     * version getter.
+     * 
+     * @return the version
+     */
+    public String getVersion() {
+        return version;
+    }
+
+    /**
+     * version setter.
+     * 
+     * @param version the version to set
+     */
+    public void setVersion(String version) {
+        // Try to convert it before
+        this.version = version;
+    }
+
+    /**
+     * policyAcronym getter.
+     * 
+     * @return the policyAcronym value
+     */
+    public String getPolicyAcronym() {
+        return policyAcronym;
+    }
+
+    /**
+     * policyAcronym setter.
+     * 
+     * @param policyAcronym The policyAcronym to set
+     */
+    public void setPolicyAcronym(String policyAcronym) {
+        this.policyAcronym = policyAcronym;
+    }
+
+    /**
+     * policyVariant getter.
+     * 
+     * @return the policyVariant value
+     */
+    public String getPolicyVariant() {
+        return policyVariant;
+    }
+
+    /**
+     * policyVariant setter.
+     * 
+     * @param policyVariant The policyVariant to set
+     */
+    public void setPolicyVariant(String policyVariant) {
+        this.policyVariant = policyVariant;
+    }
+
+    /**
+     * Default constructor for serialization.
+     */
+    public PolicyModel() {
+    }
+
+    /**
+     * Constructor.
+     * 
+     * @param policyType       The policyType (referenced in the blueprint)
+     * @param policyModelTosca The policy tosca model in yaml
+     * @param version          the version like 1.0.0
+     * @param policyAcronym    Short policy name if it exists
+     * @param policyVariant    Subtype for policy if it exists (could be used by UI)
+     */
+    public PolicyModel(String policyType, String policyModelTosca, String version, String policyAcronym,
+            String policyVariant) {
+        this.policyModelType = policyType;
+        this.policyModelTosca = policyModelTosca;
+        this.version = version;
+        this.policyAcronym = policyAcronym;
+        this.policyVariant = policyVariant;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((policyModelType == null) ? 0 : policyModelType.hashCode());
+        result = prime * result + ((version == null) ? 0 : version.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null) {
+            return false;
+        }
+        if (getClass() != obj.getClass()) {
+            return false;
+        }
+        PolicyModel other = (PolicyModel) obj;
+        if (policyModelType == null) {
+            if (other.policyModelType != null) {
+                return false;
+            }
+        } else if (!policyModelType.equals(other.policyModelType)) {
+            return false;
+        }
+        if (version == null) {
+            if (other.version != null) {
+                return false;
+            }
+        } else if (!version.equals(other.version)) {
+            return false;
+        }
+        return true;
+    }
+
+    @Override
+    public int compareTo(PolicyModel arg0) {
+        // Reverse it, so that by default we have the latest
+        return SemanticVersioning.compare(arg0.getVersion(), this.version);
+    }
+}
diff --git a/src/main/java/org/onap/clamp/loop/template/PolicyModelId.java b/src/main/java/org/onap/clamp/loop/template/PolicyModelId.java
new file mode 100644
index 000000000..c4dd1933b
--- /dev/null
+++ b/src/main/java/org/onap/clamp/loop/template/PolicyModelId.java
@@ -0,0 +1,93 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP CLAMP
+ * ================================================================================
+ * Copyright (C) 2019 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.onap.clamp.loop.template;
+
+import com.google.gson.annotations.Expose;
+
+import java.io.Serializable;
+
+public class PolicyModelId implements Serializable {
+
+    /**
+     * Serial Id.
+     */
+    private static final long serialVersionUID = -2846526482064334745L;
+
+    @Expose
+    private String policyModelType;
+
+    @Expose
+    private String version;
+
+    /**
+     * Default constructor for serialization.
+     */
+    public PolicyModelId() {
+
+    }
+
+    /**
+     * Constructor.
+     */
+    public PolicyModelId(String policyModelType, String version) {
+        this.policyModelType = policyModelType;
+        this.version = version;
+    }
+
+    /**
+     * policyModelType getter.
+     * 
+     * @return the policyModelType
+     */
+    public String getPolicyModelType() {
+        return policyModelType;
+    }
+
+    /**
+     * policyModelType setter.
+     * 
+     * @param policyModelType the policyModelType to set
+     */
+    public void setPolicyModelType(String policyModelType) {
+        this.policyModelType = policyModelType;
+    }
+
+    /**
+     * version getter.
+     * 
+     * @return the version
+     */
+    public String getVersion() {
+        return version;
+    }
+
+    /**
+     * version setter.
+     * 
+     * @param version the version to set
+     */
+    public void setVersion(String version) {
+        this.version = version;
+    }
+}
diff --git a/src/main/java/org/onap/clamp/loop/template/PolicyModelsRepository.java b/src/main/java/org/onap/clamp/loop/template/PolicyModelsRepository.java
new file mode 100644
index 000000000..a76e386b5
--- /dev/null
+++ b/src/main/java/org/onap/clamp/loop/template/PolicyModelsRepository.java
@@ -0,0 +1,38 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP CLAMP
+ * ================================================================================
+ * Copyright (C) 2019 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.onap.clamp.loop.template;
+
+import java.util.List;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface PolicyModelsRepository extends JpaRepository<PolicyModel, PolicyModelId> {
+    @Query("SELECT policymodel.policyModelType FROM PolicyModel as policymodel")
+    List<String> getAllPolicyModelType();
+
+    List<PolicyModel> findByPolicyModelType(String policyModelType);
+}
diff --git a/src/main/java/org/onap/clamp/loop/template/PolicyModelsService.java b/src/main/java/org/onap/clamp/loop/template/PolicyModelsService.java
new file mode 100644
index 000000000..8e22852a9
--- /dev/null
+++ b/src/main/java/org/onap/clamp/loop/template/PolicyModelsService.java
@@ -0,0 +1,59 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP CLAMP
+ * ================================================================================
+ * Copyright (C) 2019 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.onap.clamp.loop.template;
+
+import java.util.List;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+@Service
+public class PolicyModelsService {
+    private final PolicyModelsRepository policyModelsRepository;
+
+    @Autowired
+    public PolicyModelsService(PolicyModelsRepository policyModelrepo) {
+        policyModelsRepository = policyModelrepo;
+    }
+
+    public PolicyModel saveOrUpdatePolicyModel(PolicyModel policyModel) {
+        return policyModelsRepository.save(policyModel);
+    }
+
+    public List<String> getAllPolicyModelTypes() {
+        return policyModelsRepository.getAllPolicyModelType();
+    }
+
+    public Iterable<PolicyModel> getAllPolicyModels() {
+        return policyModelsRepository.findAll();
+    }
+
+    public PolicyModel getPolicyModel(String type, String version) {
+        return policyModelsRepository.findById(new PolicyModelId(type, version)).orElse(null);
+    }
+
+    public Iterable<PolicyModel> getAllPolicyModelsByType(String type) {
+        return policyModelsRepository.findByPolicyModelType(type);
+    }
+}
diff --git a/src/main/java/org/onap/clamp/loop/template/TemplateMicroServiceModel.java b/src/main/java/org/onap/clamp/loop/template/TemplateMicroServiceModel.java
new file mode 100644
index 000000000..7547c1f70
--- /dev/null
+++ b/src/main/java/org/onap/clamp/loop/template/TemplateMicroServiceModel.java
@@ -0,0 +1,194 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP CLAMP
+ * ================================================================================
+ * Copyright (C) 2019 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.onap.clamp.loop.template;
+
+import com.google.gson.annotations.Expose;
+
+import java.io.Serializable;
+
+import javax.persistence.CascadeType;
+import javax.persistence.Column;
+import javax.persistence.EmbeddedId;
+import javax.persistence.Entity;
+import javax.persistence.FetchType;
+import javax.persistence.JoinColumn;
+import javax.persistence.ManyToOne;
+import javax.persistence.MapsId;
+import javax.persistence.Table;
+
+@Entity
+@Table(name = "templates_microservicemodels")
+public class TemplateMicroServiceModel implements Serializable, Comparable<TemplateMicroServiceModel> {
+
+    /**
+     * Serial ID.
+     */
+    private static final long serialVersionUID = 5924989899078094245L;
+
+    @EmbeddedId
+    private TemplateMicroServiceModelId templateMicroServiceModelId;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @MapsId("loopTemplateName")
+    @JoinColumn(name = "loop_template_name")
+    private LoopTemplate loopTemplate;
+
+    @Expose
+    @ManyToOne(fetch = FetchType.EAGER, cascade = { CascadeType.PERSIST, CascadeType.MERGE, CascadeType.REFRESH })
+    @MapsId("microServiceModelName")
+    @JoinColumn(name = "micro_service_model_name")
+    private MicroServiceModel microServiceModel;
+
+    @Expose
+    @Column(nullable = false, name = "flow_order")
+    private Integer flowOrder;
+
+    /**
+     * Default constructor for serialization.
+     */
+    public TemplateMicroServiceModel() {
+
+    }
+
+    /**
+     * Constructor.
+     * 
+     * @param loopTemplate      The loop template object
+     * @param microServiceModel The microServiceModel object
+     * @param flowOrder         The position of the micro service in the flow
+     */
+    public TemplateMicroServiceModel(LoopTemplate loopTemplate, MicroServiceModel microServiceModel,
+            Integer flowOrder) {
+        this.loopTemplate = loopTemplate;
+        this.microServiceModel = microServiceModel;
+        this.flowOrder = flowOrder;
+        this.templateMicroServiceModelId = new TemplateMicroServiceModelId(loopTemplate.getName(),
+                microServiceModel.getName());
+    }
+
+    /**
+     * loopTemplate getter.
+     * 
+     * @return the loopTemplate
+     */
+    public LoopTemplate getLoopTemplate() {
+        return loopTemplate;
+    }
+
+    /**
+     * loopTemplate setter.
+     * 
+     * @param loopTemplate the loopTemplate to set
+     */
+    public void setLoopTemplate(LoopTemplate loopTemplate) {
+        this.loopTemplate = loopTemplate;
+    }
+
+    /**
+     * microServiceModel getter.
+     * 
+     * @return the microServiceModel
+     */
+    public MicroServiceModel getMicroServiceModel() {
+        return microServiceModel;
+    }
+
+    /**
+     * microServiceModel setter.
+     * 
+     * @param microServiceModel the microServiceModel to set
+     */
+    public void setMicroServiceModel(MicroServiceModel microServiceModel) {
+        this.microServiceModel = microServiceModel;
+    }
+
+    /**
+     * flowOrder getter.
+     * 
+     * @return the flowOrder
+     */
+    public Integer getFlowOrder() {
+        return flowOrder;
+    }
+
+    /**
+     * flowOrder setter.
+     * 
+     * @param flowOrder the flowOrder to set
+     */
+    public void setFlowOrder(Integer flowOrder) {
+        this.flowOrder = flowOrder;
+    }
+
+    @Override
+    public int compareTo(TemplateMicroServiceModel arg0) {
+        // Reverse it, so that by default we have the latest
+        if (getFlowOrder() == null) {
+            return 1;
+        }
+        if (arg0.getFlowOrder() == null) {
+            return -1;
+        }
+        return arg0.getFlowOrder().compareTo(this.getFlowOrder());
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((loopTemplate == null) ? 0 : loopTemplate.hashCode());
+        result = prime * result + ((microServiceModel == null) ? 0 : microServiceModel.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null) {
+            return false;
+        }
+        if (getClass() != obj.getClass()) {
+            return false;
+        }
+        TemplateMicroServiceModel other = (TemplateMicroServiceModel) obj;
+        if (loopTemplate == null) {
+            if (other.loopTemplate != null) {
+                return false;
+            }
+        } else if (!loopTemplate.equals(other.loopTemplate)) {
+            return false;
+        }
+        if (microServiceModel == null) {
+            if (other.microServiceModel != null) {
+                return false;
+            }
+        } else if (!microServiceModel.equals(other.microServiceModel)) {
+            return false;
+        }
+        return true;
+    }
+
+}
diff --git a/src/main/java/org/onap/clamp/loop/template/TemplateMicroServiceModelId.java b/src/main/java/org/onap/clamp/loop/template/TemplateMicroServiceModelId.java
new file mode 100644
index 000000000..74c768974
--- /dev/null
+++ b/src/main/java/org/onap/clamp/loop/template/TemplateMicroServiceModelId.java
@@ -0,0 +1,102 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP CLAMP
+ * ================================================================================
+ * Copyright (C) 2019 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.onap.clamp.loop.template;
+
+import com.google.gson.annotations.Expose;
+
+import java.io.Serializable;
+
+import javax.persistence.Column;
+import javax.persistence.Embeddable;
+
+@Embeddable
+public class TemplateMicroServiceModelId implements Serializable {
+
+    /**
+     * Serial ID.
+     */
+    private static final long serialVersionUID = 4089888115504914773L;
+
+    @Expose
+    @Column(name = "loop_template_name")
+    private String loopTemplateName;
+
+    @Expose
+    @Column(name = "micro_service_model_name")
+    private String microServiceModelName;
+
+    /**
+     * Default constructor for serialization.
+     */
+    public TemplateMicroServiceModelId() {
+
+    }
+
+    /**
+     * Constructor.
+     * 
+     * @param loopTemplateName      The loop template name id
+     * @param microServiceModelName THe micro Service name id
+     */
+    public TemplateMicroServiceModelId(String loopTemplateName, String microServiceModelName) {
+        this.loopTemplateName = loopTemplateName;
+        this.microServiceModelName = microServiceModelName;
+    }
+
+    /**
+     * loopTemplateName getter.
+     * 
+     * @return the loopTemplateName
+     */
+    public String getLoopTemplateName() {
+        return loopTemplateName;
+    }
+
+    /**
+     * loopTemplateName setter.
+     * 
+     * @param loopTemplateName the loopTemplateName to set
+     */
+    public void setLoopTemplateName(String loopTemplateName) {
+        this.loopTemplateName = loopTemplateName;
+    }
+
+    /**
+     * microServiceModelName getter.
+     * 
+     * @return the microServiceModelName
+     */
+    public String getMicroServiceModelName() {
+        return microServiceModelName;
+    }
+
+    /**
+     * microServiceModelName setter.
+     * 
+     * @param microServiceModelName the microServiceModelName to set
+     */
+    public void setMicroServiceModelName(String microServiceModelName) {
+        this.microServiceModelName = microServiceModelName;
+    }
+}
diff --git a/src/main/java/org/onap/clamp/policy/microservice/MicroServicePolicy.java b/src/main/java/org/onap/clamp/policy/microservice/MicroServicePolicy.java
index 2943c39a2..98742d22b 100644
--- a/src/main/java/org/onap/clamp/policy/microservice/MicroServicePolicy.java
+++ b/src/main/java/org/onap/clamp/policy/microservice/MicroServicePolicy.java
@@ -40,7 +40,9 @@ import javax.persistence.Column;
 import javax.persistence.Entity;
 import javax.persistence.FetchType;
 import javax.persistence.Id;
+import javax.persistence.JoinColumn;
 import javax.persistence.ManyToMany;
+import javax.persistence.ManyToOne;
 import javax.persistence.Table;
 import javax.persistence.Transient;
 
@@ -52,13 +54,15 @@ import org.onap.clamp.clds.tosca.ToscaYamlToJsonConvertor;
 import org.onap.clamp.clds.util.JsonUtils;
 import org.onap.clamp.dao.model.jsontype.StringJsonUserType;
 import org.onap.clamp.loop.Loop;
+import org.onap.clamp.loop.common.AuditEntity;
+import org.onap.clamp.loop.template.MicroServiceModel;
 import org.onap.clamp.policy.Policy;
 import org.yaml.snakeyaml.Yaml;
 
 @Entity
 @Table(name = "micro_service_policies")
 @TypeDefs({ @TypeDef(name = "json", typeClass = StringJsonUserType.class) })
-public class MicroServicePolicy implements Serializable, Policy {
+public class MicroServicePolicy extends AuditEntity implements Serializable, Policy {
     /**
      * The serial version ID.
      */
@@ -73,10 +77,18 @@ public class MicroServicePolicy implements Serializable, Policy {
     private String name;
 
     @Expose
-    @Column(nullable = false, name = "model_type")
+    @Column(nullable = false, name = "policy_model_type")
     private String modelType;
 
     @Expose
+    @Column(name = "context")
+    private String context;
+
+    @Expose
+    @Column(name = "device_type_scope")
+    private String deviceTypeScope;
+
+    @Expose
     @Type(type = "json")
     @Column(columnDefinition = "json", name = "properties")
     private JsonObject properties;
@@ -96,6 +108,11 @@ public class MicroServicePolicy implements Serializable, Policy {
     @ManyToMany(mappedBy = "microServicePolicies", fetch = FetchType.EAGER)
     private Set<Loop> usedByLoops = new HashSet<>();
 
+    @Expose
+    @ManyToOne(fetch = FetchType.EAGER)
+    @JoinColumn(name = "micro_service_model_id")
+    private MicroServiceModel microServiceModel;
+
     public MicroServicePolicy() {
         // serialization
     }
@@ -203,6 +220,49 @@ public class MicroServicePolicy implements Serializable, Policy {
         this.usedByLoops = usedBy;
     }
 
+    public String getContext() {
+        return context;
+    }
+
+    public void setContext(String context) {
+        this.context = context;
+    }
+
+    public String getDeviceTypeScope() {
+        return deviceTypeScope;
+    }
+
+    public void setDeviceTypeScope(String deviceTypeScope) {
+        this.deviceTypeScope = deviceTypeScope;
+    }
+
+    /**
+     * microServiceModel getter.
+     * 
+     * @return the microServiceModel
+     */
+    public MicroServiceModel getMicroServiceModel() {
+        return microServiceModel;
+    }
+
+    /**
+     * microServiceModel setter.
+     * 
+     * @param microServiceModel the microServiceModel to set
+     */
+    public void setMicroServiceModel(MicroServiceModel microServiceModel) {
+        this.microServiceModel = microServiceModel;
+    }
+
+    /**
+     * name setter.
+     * 
+     * @param name the name to set
+     */
+    public void setName(String name) {
+        this.name = name;
+    }
+
     @Override
     public int hashCode() {
         final int prime = 31;
diff --git a/src/main/java/org/onap/clamp/policy/microservice/MicroServicePolicyRepository.java b/src/main/java/org/onap/clamp/policy/microservice/MicroServicePolicyRepository.java
index f658aacc3..38b310ce8 100644
--- a/src/main/java/org/onap/clamp/policy/microservice/MicroServicePolicyRepository.java
+++ b/src/main/java/org/onap/clamp/policy/microservice/MicroServicePolicyRepository.java
@@ -23,10 +23,10 @@
 
 package org.onap.clamp.policy.microservice;
 
-import org.springframework.data.repository.CrudRepository;
+import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.stereotype.Repository;
 
 @Repository
-interface MicroServicePolicyRepository extends CrudRepository<MicroServicePolicy, String> {
+public interface MicroServicePolicyRepository extends JpaRepository<MicroServicePolicy, String> {
 
 }
diff --git a/src/main/java/org/onap/clamp/policy/microservice/MicroservicePolicyService.java b/src/main/java/org/onap/clamp/policy/microservice/MicroServicePolicyService.java
index 59ddaa009..346cdf624 100644
--- a/src/main/java/org/onap/clamp/policy/microservice/MicroservicePolicyService.java
+++ b/src/main/java/org/onap/clamp/policy/microservice/MicroServicePolicyService.java
@@ -35,12 +35,12 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
 @Service
-public class MicroservicePolicyService implements PolicyService<MicroServicePolicy> {
+public class MicroServicePolicyService implements PolicyService<MicroServicePolicy> {
 
     private final MicroServicePolicyRepository repository;
 
     @Autowired
-    public MicroservicePolicyService(MicroServicePolicyRepository repository) {
+    public MicroServicePolicyService(MicroServicePolicyRepository repository) {
         this.repository = repository;
     }
 
diff --git a/src/main/java/org/onap/clamp/policy/operational/OperationalPolicy.java b/src/main/java/org/onap/clamp/policy/operational/OperationalPolicy.java
index 14112694e..e8bf4a655 100644
--- a/src/main/java/org/onap/clamp/policy/operational/OperationalPolicy.java
+++ b/src/main/java/org/onap/clamp/policy/operational/OperationalPolicy.java
@@ -46,6 +46,7 @@ import javax.persistence.Entity;
 import javax.persistence.FetchType;
 import javax.persistence.Id;
 import javax.persistence.JoinColumn;
+import javax.persistence.JoinColumns;
 import javax.persistence.ManyToOne;
 import javax.persistence.Table;
 import javax.persistence.Transient;
@@ -55,6 +56,7 @@ import org.hibernate.annotations.TypeDef;
 import org.hibernate.annotations.TypeDefs;
 import org.onap.clamp.dao.model.jsontype.StringJsonUserType;
 import org.onap.clamp.loop.Loop;
+import org.onap.clamp.loop.template.PolicyModel;
 import org.onap.clamp.policy.Policy;
 import org.yaml.snakeyaml.DumperOptions;
 import org.yaml.snakeyaml.Yaml;
@@ -90,6 +92,12 @@ public class OperationalPolicy implements Serializable, Policy {
     @JoinColumn(name = "loop_id", nullable = false)
     private Loop loop;
 
+    @Expose
+    @ManyToOne(fetch = FetchType.EAGER)
+    @JoinColumns({ @JoinColumn(name = "policy_model_type", referencedColumnName = "policy_model_type"),
+        @JoinColumn(name = "policy_model_version", referencedColumnName = "version") })
+    private PolicyModel policyModel;
+
     public OperationalPolicy() {
         // Serialization
     }
@@ -137,6 +145,33 @@ public class OperationalPolicy implements Serializable, Policy {
         this.configurationsJson = configurationsJson;
     }
 
+    /**
+     * policyModel getter.
+     * 
+     * @return the policyModel
+     */
+    public PolicyModel getPolicyModel() {
+        return policyModel;
+    }
+
+    /**
+     * policyModel setter.
+     * 
+     * @param policyModel the policyModel to set
+     */
+    public void setPolicyModel(PolicyModel policyModel) {
+        this.policyModel = policyModel;
+    }
+
+    /**
+     * name setter.
+     * 
+     * @param name the name to set
+     */
+    public void setName(String name) {
+        this.name = name;
+    }
+
     @Override
     public JsonObject getJsonRepresentation() {
          return jsonRepresentation;
diff --git a/src/main/java/org/onap/clamp/policy/operational/OperationalPolicyRepository.java b/src/main/java/org/onap/clamp/policy/operational/OperationalPolicyRepository.java
index 97b183f72..c0a6e12cd 100644
--- a/src/main/java/org/onap/clamp/policy/operational/OperationalPolicyRepository.java
+++ b/src/main/java/org/onap/clamp/policy/operational/OperationalPolicyRepository.java
@@ -23,10 +23,10 @@
 
 package org.onap.clamp.policy.operational;
 
-import org.springframework.data.repository.CrudRepository;
+import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.stereotype.Repository;
 
 @Repository
-interface OperationalPolicyRepository extends CrudRepository<OperationalPolicy, String> {
+public interface OperationalPolicyRepository extends JpaRepository<OperationalPolicy, String> {
     void deleteByName(String policyName);
 }
diff --git a/src/main/java/org/onap/clamp/tosca/Dictionary.java b/src/main/java/org/onap/clamp/tosca/Dictionary.java
new file mode 100644
index 000000000..7b4e513a2
--- /dev/null
+++ b/src/main/java/org/onap/clamp/tosca/Dictionary.java
@@ -0,0 +1,174 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP CLAMP
+ * ================================================================================
+ * Copyright (C) 2019 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.onap.clamp.tosca;
+
+import com.google.gson.annotations.Expose;
+
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.persistence.CascadeType;
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.FetchType;
+import javax.persistence.Id;
+import javax.persistence.OneToMany;
+import javax.persistence.Table;
+
+import org.onap.clamp.loop.common.AuditEntity;
+
+/**
+ * Represents Dictionary.
+ */
+
+@Entity
+@Table(name = "dictionary")
+public class Dictionary extends AuditEntity implements Serializable {
+
+    /**
+     * The serial version id.
+     */
+    private static final long serialVersionUID = -286522707701388645L;
+
+    @Id
+    @Expose
+    @Column(nullable = false, name = "name", unique = true)
+    private String name;
+
+    @Expose
+    @Column(name = "dictionary_second_level")
+    private int secondLevelDictionary;
+
+    @Expose
+    @Column(name = "dictionary_type")
+    private String subDictionaryType;
+
+    @Expose
+    @OneToMany(mappedBy = "dictionary", cascade = CascadeType.ALL, fetch = FetchType.EAGER)
+    private List<DictionaryElement> dictionaryElements = new ArrayList<>();
+
+    /**
+     * name getter.
+     * 
+     * @return the name
+     */
+    public String getName() {
+        return name;
+    }
+
+    /**
+     * name setter.
+     * 
+     * @param name the name to set
+     */
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    /**
+     * secondLevelDictionary getter.
+     * 
+     * @return the secondLevelDictionary
+     */
+    public int getSecondLevelDictionary() {
+        return secondLevelDictionary;
+    }
+
+    /**
+     * secondLevelDictionary setter.
+     * 
+     * @param secondLevelDictionary the secondLevelDictionary to set
+     */
+    public void setSecondLevelDictionary(int secondLevelDictionary) {
+        this.secondLevelDictionary = secondLevelDictionary;
+    }
+
+    /**
+     * subDictionaryType getter.
+     * 
+     * @return the subDictionaryType
+     */
+    public String getSubDictionaryType() {
+        return subDictionaryType;
+    }
+
+    /**
+     * subDictionaryType setter.
+     * 
+     * @param subDictionaryType the subDictionaryType to set
+     */
+    public void setSubDictionaryType(String subDictionaryType) {
+        this.subDictionaryType = subDictionaryType;
+    }
+
+    /**
+     * dictionaryElements getter.
+     * 
+     * @return the dictionaryElements
+     */
+    public List<DictionaryElement> getDictionaryElements() {
+        return dictionaryElements;
+    }
+
+    /**
+     * dictionaryElements setter.
+     * 
+     * @param dictionaryElements the dictionaryElements to set
+     */
+    public void setDictionaryElements(List<DictionaryElement> dictionaryElements) {
+        this.dictionaryElements = dictionaryElements;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((name == null) ? 0 : name.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null) {
+            return false;
+        }
+        if (getClass() != obj.getClass()) {
+            return false;
+        }
+        Dictionary other = (Dictionary) obj;
+        if (name == null) {
+            if (other.name != null) {
+                return false;
+            }
+        } else if (!name.equals(other.name)) {
+            return false;
+        }
+        return true;
+    }
+
+}
diff --git a/src/main/java/org/onap/clamp/tosca/DictionaryElement.java b/src/main/java/org/onap/clamp/tosca/DictionaryElement.java
new file mode 100644
index 000000000..e81885f3e
--- /dev/null
+++ b/src/main/java/org/onap/clamp/tosca/DictionaryElement.java
@@ -0,0 +1,249 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP CLAMP
+ * ================================================================================
+ * Copyright (C) 2019 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.onap.clamp.tosca;
+
+import com.google.gson.annotations.Expose;
+
+import java.io.Serializable;
+
+import javax.persistence.CascadeType;
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.JoinColumn;
+import javax.persistence.ManyToOne;
+import javax.persistence.Table;
+
+import org.onap.clamp.loop.common.AuditEntity;
+
+/**
+ * Represents a Dictionary Item.
+ */
+@Entity
+@Table(name = "dictionary_elements")
+public class DictionaryElement extends AuditEntity implements Serializable {
+
+    /**
+     * The serial version id.
+     */
+    private static final long serialVersionUID = -286522707701388644L;
+
+    @Id
+    @Expose
+    @Column(nullable = false, name = "name", unique = true)
+    private String name;
+
+    @Expose
+    @Column(nullable = false, name = "short_name", unique = true)
+    private String shortName;
+
+    @Expose
+    @Column(name = "description")
+    private String description;
+
+    @Expose
+    @Column(nullable = false, name = "type")
+    private String type;
+
+    @Column(name = "subdictionary_id", nullable = false)
+    @Expose
+    private String subDictionary;
+
+    @ManyToOne(cascade = CascadeType.ALL)
+    @JoinColumn(name = "dictionary_id")
+    private Dictionary dictionary;
+
+    /**
+     * name getter.
+     * 
+     * @return the name
+     */
+    public String getName() {
+        return name;
+    }
+
+    /**
+     * name setter.
+     * 
+     * @param name the name to set
+     */
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    /**
+     * shortName getter.
+     * 
+     * @return the shortName
+     */
+    public String getShortName() {
+        return shortName;
+    }
+
+    /**
+     * shortName setter.
+     * 
+     * @param shortName the shortName to set
+     */
+    public void setShortName(String shortName) {
+        this.shortName = shortName;
+    }
+
+    /**
+     * description getter.
+     * 
+     * @return the description
+     */
+    public String getDescription() {
+        return description;
+    }
+
+    /**
+     * description setter.
+     * 
+     * @param description the description to set
+     */
+    public void setDescription(String description) {
+        this.description = description;
+    }
+
+    /**
+     * type getter.
+     * 
+     * @return the type
+     */
+    public String getType() {
+        return type;
+    }
+
+    /**
+     * type setter.
+     * 
+     * @param type the type to set
+     */
+    public void setType(String type) {
+        this.type = type;
+    }
+
+    /**
+     * subDictionary getter.
+     * 
+     * @return the subDictionary
+     */
+    public String getSubDictionary() {
+        return subDictionary;
+    }
+
+    /**
+     * subDictionary setter.
+     * 
+     * @param subDictionary the subDictionary to set
+     */
+    public void setSubDictionary(String subDictionary) {
+        this.subDictionary = subDictionary;
+    }
+
+    /**
+     * dictionary getter.
+     * 
+     * @return the dictionary
+     */
+    public Dictionary getDictionary() {
+        return dictionary;
+    }
+
+    /**
+     * dictionary setter.
+     * 
+     * @param dictionary the dictionary to set
+     */
+    public void setDictionary(Dictionary dictionary) {
+        this.dictionary = dictionary;
+    }
+
+    /**
+     * Default Constructor.
+     */
+    public DictionaryElement() {
+    }
+
+    /**
+     * Constructor.
+     * 
+     * @param name          The Dictionary element name
+     * @param shortName     The short name
+     * @param description   The description
+     * @param type          The type of element
+     * @param subDictionary The sub type
+     * @param dictionary    The parent dictionary
+     */
+    public DictionaryElement(String name, String shortName, String description, String type, String subDictionary,
+            Dictionary dictionary) {
+        this.name = name;
+        this.shortName = shortName;
+        this.description = description;
+        this.type = type;
+        this.subDictionary = subDictionary;
+        this.dictionary = dictionary;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((dictionary == null) ? 0 : dictionary.hashCode());
+        result = prime * result + ((name == null) ? 0 : name.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null) {
+            return false;
+        }
+        if (getClass() != obj.getClass()) {
+            return false;
+        }
+        DictionaryElement other = (DictionaryElement) obj;
+        if (dictionary == null) {
+            if (other.dictionary != null) {
+                return false;
+            }
+        } else if (!dictionary.equals(other.dictionary)) {
+            return false;
+        }
+        if (name == null) {
+            if (other.name != null) {
+                return false;
+            }
+        } else if (!name.equals(other.name)) {
+            return false;
+        }
+        return true;
+    }
+
+}
diff --git a/src/main/java/org/onap/clamp/tosca/DictionaryElementsRepository.java b/src/main/java/org/onap/clamp/tosca/DictionaryElementsRepository.java
new file mode 100644
index 000000000..96cb2e35e
--- /dev/null
+++ b/src/main/java/org/onap/clamp/tosca/DictionaryElementsRepository.java
@@ -0,0 +1,32 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP CLAMP
+ * ================================================================================
+ * Copyright (C) 2019 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.onap.clamp.tosca;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface DictionaryElementsRepository extends JpaRepository<DictionaryElement, String> {
+
+}
diff --git a/src/main/java/org/onap/clamp/tosca/DictionaryRepository.java b/src/main/java/org/onap/clamp/tosca/DictionaryRepository.java
new file mode 100644
index 000000000..2a087b6d9
--- /dev/null
+++ b/src/main/java/org/onap/clamp/tosca/DictionaryRepository.java
@@ -0,0 +1,38 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP CLAMP
+ * ================================================================================
+ * Copyright (C) 2019 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.onap.clamp.tosca;
+
+import java.util.List;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface DictionaryRepository extends JpaRepository<Dictionary, String> {
+
+    @Query("SELECT dict.name FROM Dictionary as dict")
+    List<String> getAllDictionaryNames();
+
+}
diff --git a/src/main/java/org/onap/clamp/util/SemanticVersioning.java b/src/main/java/org/onap/clamp/util/SemanticVersioning.java
new file mode 100644
index 000000000..bf1529c2c
--- /dev/null
+++ b/src/main/java/org/onap/clamp/util/SemanticVersioning.java
@@ -0,0 +1,76 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP CLAMP
+ * ================================================================================
+ * Copyright (C) 2020 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.onap.clamp.util;
+
+/**
+ * This class is the base class for object that requires semantic versioning.
+ * ... This class supports also a.b.c.d... etc ... as a version.
+ *
+ *
+ */
+public class SemanticVersioning {
+    public static final int BEFORE = -1;
+    public static final int EQUAL = 0;
+    public static final int AFTER = 1;
+
+    /**
+     * The compare method that compare arg0 to arg1.
+     * 
+     * @param arg0 A version in string for semantice versioning (a.b.c.d...)
+     * @param arg1 A version in string for semantice versioning (a.b.c.d...)
+     * @return objects (arg0, arg1) given as parameters. It returns the value: 0: if
+     *         (arg0==arg1) -1: if (arg0 < arg1) 1: if (arg0 > arg1)
+     */
+    public static int compare(String arg0, String arg1) {
+
+        if (arg0 == null && arg1 == null) {
+            return EQUAL;
+        }
+        if (arg0 == null) {
+            return BEFORE;
+        }
+        if (arg1 == null) {
+            return AFTER;
+        }
+        String[] arg0Array = arg0.split("\\.");
+        String[] arg1Array = arg1.split("\\.");
+
+        int smalestStringLength = Math.min(arg0Array.length, arg1Array.length);
+
+        for (int currentVersionIndex = 0; currentVersionIndex < smalestStringLength; ++currentVersionIndex) {
+            if (Integer.parseInt(arg0Array[currentVersionIndex]) < Integer.parseInt(arg1Array[currentVersionIndex])) {
+                return BEFORE;
+            } else if (Integer.parseInt(arg0Array[currentVersionIndex]) > Integer
+                    .parseInt(arg1Array[currentVersionIndex])) {
+                return AFTER;
+            }
+            // equals, so do not return anything, continue
+        }
+        if (arg0Array.length == arg1Array.length) {
+            return EQUAL;
+        } else {
+            return Integer.compare(arg0Array.length, arg1Array.length);
+        }
+    }
+}
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