Merge "Add models-pdp to models repo"

19 files changed, 817 insertions, 6 deletions

diff --git a/models-base/src/main/java/org/onap/policy/models/base/keys/PolicyTypeIdent.java b/models-base/src/main/java/org/onap/policy/models/base/keys/PolicyTypeIdent.java
new file mode 100644
index 000000000..09e03816e
--- /dev/null
+++ b/models-base/src/main/java/org/onap/policy/models/base/keys/PolicyTypeIdent.java
@@ -0,0 +1,42 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP Policy Models
+ * ================================================================================
+ * 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.policy.models.base.keys;
+
+import lombok.NoArgsConstructor;
+import lombok.NonNull;
+import org.onap.policy.models.base.PfConceptKey;
+
+/**
+ * Identifies a policy type. Both the name and version must be non-null.
+ */
+@NonNull
+@NoArgsConstructor
+public class PolicyTypeIdent extends PfConceptKey {
+    private static final long serialVersionUID = 1L;
+
+    public PolicyTypeIdent(String name, String version) {
+        super(name, version);
+    }
+
+    public PolicyTypeIdent(PolicyTypeIdent source) {
+        super(source);
+    }
+}
diff --git a/models-base/src/test/java/org/onap/policy/models/base/keys/TestModels.java b/models-base/src/test/java/org/onap/policy/models/base/keys/TestModels.java
new file mode 100644
index 000000000..a1bf3be68
--- /dev/null
+++ b/models-base/src/test/java/org/onap/policy/models/base/keys/TestModels.java
@@ -0,0 +1,46 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ *  Modifications 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.models.base.keys;
+
+import com.openpojo.reflection.filters.FilterPackageInfo;
+import com.openpojo.validation.Validator;
+import com.openpojo.validation.ValidatorBuilder;
+import com.openpojo.validation.test.impl.GetterTester;
+import com.openpojo.validation.test.impl.SetterTester;
+
+import org.junit.Test;
+import org.onap.policy.common.utils.validation.ToStringTester;
+
+/**
+ * Class to perform unit testing of models.
+ *
+ * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
+ */
+public class TestModels {
+
+    @Test
+    public void testModels() {
+        final Validator validator = ValidatorBuilder.create().with(new ToStringTester()).with(new SetterTester())
+                .with(new GetterTester()).build();
+        validator.validate(TestModels.class.getPackage().getName(), new FilterPackageInfo());
+    }
+}
diff --git a/models-base/src/test/java/org/onap/policy/models/base/keys/TestPolicyTypeIdent.java b/models-base/src/test/java/org/onap/policy/models/base/keys/TestPolicyTypeIdent.java
new file mode 100644
index 000000000..1638a87da
--- /dev/null
+++ b/models-base/src/test/java/org/onap/policy/models/base/keys/TestPolicyTypeIdent.java
@@ -0,0 +1,60 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP Policy Models
+ * ================================================================================
+ * 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.policy.models.base.keys;
+
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+import org.onap.policy.models.base.keys.PolicyTypeIdent;
+import org.onap.policy.models.base.keys.TestModels;
+
+/**
+ * Test the other constructors, as {@link TestModels} tests the other methods.
+ */
+public class TestPolicyTypeIdent {
+    private static final String NAME = "my-name";
+    private static final String VERSION = "1.2.3";
+
+    @Test
+    public void testAllArgsConstructor() {
+        assertThatThrownBy(() -> new PolicyTypeIdent(null, VERSION)).isInstanceOf(NullPointerException.class);
+        assertThatThrownBy(() -> new PolicyTypeIdent(NAME, null)).isInstanceOf(NullPointerException.class);
+
+        PolicyTypeIdent orig = new PolicyTypeIdent(NAME, VERSION);
+        assertEquals(NAME, orig.getName());
+        assertEquals(VERSION, orig.getVersion());
+    }
+
+    @Test
+    public void testCopyConstructor() {
+        assertThatThrownBy(() -> new PolicyTypeIdent(null)).isInstanceOf(NullPointerException.class);
+
+        PolicyTypeIdent orig = new PolicyTypeIdent();
+
+        // verify with null values
+        assertEquals(orig.toString(), new PolicyTypeIdent(orig).toString());
+
+        // verify with all values
+        orig = new PolicyTypeIdent(NAME, VERSION);
+        assertEquals(orig.toString(), new PolicyTypeIdent(orig).toString());
+    }
+}
diff --git a/models-pap/src/main/java/org/onap/policy/models/pap/concepts/PdpSubGroup.java b/models-pap/src/main/java/org/onap/policy/models/pap/concepts/PdpSubGroup.java
index e535233bc..43356982e 100644
--- a/models-pap/src/main/java/org/onap/policy/models/pap/concepts/PdpSubGroup.java
+++ b/models-pap/src/main/java/org/onap/policy/models/pap/concepts/PdpSubGroup.java
@@ -28,8 +28,8 @@ import lombok.Getter;
 import lombok.NonNull;
 import lombok.Setter;
 import lombok.ToString;
-import org.onap.policy.models.base.PfConceptKey;
 import org.onap.policy.models.base.PfUtils;
+import org.onap.policy.models.base.keys.PolicyTypeIdent;
 
 /**
  * Class to represent a group of all PDP's of the same pdp type running for a particular
@@ -43,7 +43,7 @@ import org.onap.policy.models.base.PfUtils;
 public class PdpSubGroup {
 
     private String pdpType;
-    private List<PfConceptKey> supportedPolicyTypes;
+    private List<PolicyTypeIdent> supportedPolicyTypes;
     private List<Policy> policies;
     private int currentInstanceCount;
     private int desiredInstanceCount;
@@ -64,7 +64,7 @@ public class PdpSubGroup {
      */
     public PdpSubGroup(@NonNull PdpSubGroup source) {
         this.pdpType = source.pdpType;
-        this.supportedPolicyTypes = PfUtils.mapList(source.supportedPolicyTypes, PfConceptKey::new);
+        this.supportedPolicyTypes = PfUtils.mapList(source.supportedPolicyTypes, PolicyTypeIdent::new);
         this.policies = PfUtils.mapList(source.policies, Policy::new);
         this.currentInstanceCount = source.currentInstanceCount;
         this.desiredInstanceCount = source.desiredInstanceCount;
diff --git a/models-pap/src/test/java/org/onap/policy/models/pap/concepts/TestPdpSubGroup.java b/models-pap/src/test/java/org/onap/policy/models/pap/concepts/TestPdpSubGroup.java
index d2e5f2fcc..9af2f4e9d 100644
--- a/models-pap/src/test/java/org/onap/policy/models/pap/concepts/TestPdpSubGroup.java
+++ b/models-pap/src/test/java/org/onap/policy/models/pap/concepts/TestPdpSubGroup.java
@@ -27,7 +27,7 @@ import java.util.Arrays;
 import java.util.Map;
 import java.util.TreeMap;
 import org.junit.Test;
-import org.onap.policy.models.base.PfConceptKey;
+import org.onap.policy.models.base.keys.PolicyTypeIdent;
 
 /**
  * Test the copy constructor, as {@link TestModels} tests the other methods.
@@ -66,8 +66,8 @@ public class TestPdpSubGroup {
         props.put("key-B", "value-B");
         orig.setProperties(props);
 
-        PfConceptKey supp1 = new PfConceptKey("supp-A", "1.2");
-        PfConceptKey supp2 = new PfConceptKey("supp-B", "3.4");
+        PolicyTypeIdent supp1 = new PolicyTypeIdent("supp-A", "1.2");
+        PolicyTypeIdent supp2 = new PolicyTypeIdent("supp-B", "3.4");
         orig.setSupportedPolicyTypes(Arrays.asList(supp1, supp2));
 
         assertEquals(orig.toString(), new PdpSubGroup(orig).toString());
diff --git a/models-pdp/pom.xml b/models-pdp/pom.xml
new file mode 100644
index 000000000..1a4685664
--- /dev/null
+++ b/models-pdp/pom.xml
@@ -0,0 +1,48 @@
+<!--
+  ============LICENSE_START=======================================================
+   Copyright (C) 2019 Nordix Foundation.
+   Modifications Copyright (C) 2019 AT&T Intellectual Property.
+  ================================================================================
+  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.
+
+  SPDX-License-Identifier: Apache-2.0
+  ============LICENSE_END=========================================================
+-->
+
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.onap.policy.models</groupId>
+        <artifactId>policy-models</artifactId>
+        <version>2.0.0-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>models-pdp</artifactId>
+
+    <name>${project.artifactId}</name>
+    <description>The models for internal PDP API's.</description>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.onap.policy.models</groupId>
+            <artifactId>policy-models-base</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.onap.policy.models</groupId>
+            <artifactId>policy-models-tosca</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+    </dependencies>
+</project>
diff --git a/models-pdp/src/main/java/org/onap/policy/models/pdp/concepts/PdpHealthCheck.java b/models-pdp/src/main/java/org/onap/policy/models/pdp/concepts/PdpHealthCheck.java
new file mode 100644
index 000000000..b82af0225
--- /dev/null
+++ b/models-pdp/src/main/java/org/onap/policy/models/pdp/concepts/PdpHealthCheck.java
@@ -0,0 +1,50 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ *  Modifications Copyright (C) 2019 AT&T Intellectual Property.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.models.pdp.concepts;
+
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+import org.onap.policy.models.pdp.enums.PdpMessageType;
+
+/**
+ * Class to represent the PDP_HEALTH_CHECK message that PAP will send to either PDPGroup/Subgroup or a PDP.
+ *
+ * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
+ */
+@Getter
+@Setter
+@ToString
+public class PdpHealthCheck extends PdpMessage {
+
+    private String name;
+    private String pdpGroup;
+    private String pdpSubgroup;
+
+    /**
+     * Constructor for instantiating PdpHealthCheck class with message name.
+     *
+     */
+    public PdpHealthCheck() {
+        super(PdpMessageType.PDP_HEALTH_CHECK);
+    }
+}
diff --git a/models-pdp/src/main/java/org/onap/policy/models/pdp/concepts/PdpMessage.java b/models-pdp/src/main/java/org/onap/policy/models/pdp/concepts/PdpMessage.java
new file mode 100644
index 000000000..6160027ed
--- /dev/null
+++ b/models-pdp/src/main/java/org/onap/policy/models/pdp/concepts/PdpMessage.java
@@ -0,0 +1,60 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ *  Modifications Copyright (C) 2019 AT&T Intellectual Property.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.models.pdp.concepts;
+
+import java.util.UUID;
+import lombok.AccessLevel;
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+import org.onap.policy.models.pdp.enums.PdpMessageType;
+
+/**
+ * Class to represent the base class for various messages that will ve exchanged between PAP and PDP.
+ *
+ * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
+ */
+@Getter
+@Setter
+@ToString
+public class PdpMessage {
+
+    @Setter(AccessLevel.NONE)
+    private PdpMessageType messageName;
+
+    private String requestId = UUID.randomUUID().toString();
+
+    /**
+     * Time-stamp, in milliseconds, when the message was created. Defaults to the current
+     * time.
+     */
+    private long timestampMs = System.currentTimeMillis();
+
+    /**
+     * Constructor for instantiating PdpMessage class with message name.
+     *
+     * @param messageName the message name
+     */
+    public PdpMessage(final PdpMessageType messageName) {
+        this.messageName = messageName;
+    }
+}
diff --git a/models-pdp/src/main/java/org/onap/policy/models/pdp/concepts/PdpResponseDetails.java b/models-pdp/src/main/java/org/onap/policy/models/pdp/concepts/PdpResponseDetails.java
new file mode 100644
index 000000000..c28d01a3e
--- /dev/null
+++ b/models-pdp/src/main/java/org/onap/policy/models/pdp/concepts/PdpResponseDetails.java
@@ -0,0 +1,43 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ *  Modifications Copyright (C) 2019 AT&T Intellectual Property.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.models.pdp.concepts;
+
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+import org.onap.policy.models.pdp.enums.PdpResponseStatus;
+
+/**
+ * Class to represent PDP response details.
+ *
+ * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
+ */
+@Getter
+@Setter
+@ToString
+public class PdpResponseDetails {
+
+    // The responseTo field should match the original request id in the request.
+    private String responseTo;
+    private PdpResponseStatus responseStatus;
+    private String responseMessage;
+}
diff --git a/models-pdp/src/main/java/org/onap/policy/models/pdp/concepts/PdpStateChange.java b/models-pdp/src/main/java/org/onap/policy/models/pdp/concepts/PdpStateChange.java
new file mode 100644
index 000000000..bca162e91
--- /dev/null
+++ b/models-pdp/src/main/java/org/onap/policy/models/pdp/concepts/PdpStateChange.java
@@ -0,0 +1,52 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ *  Modifications Copyright (C) 2019 AT&T Intellectual Property.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.models.pdp.concepts;
+
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+import org.onap.policy.models.pdp.enums.PdpMessageType;
+import org.onap.policy.models.pdp.enums.PdpState;
+
+/**
+ * Class to represent the PDP_STATE_CHANGE message that PAP will send to either PDPGroup/Subgroup or a PDP.
+ *
+ * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
+ */
+@Getter
+@Setter
+@ToString
+public class PdpStateChange extends PdpMessage {
+
+    private String name;
+    private PdpState state;
+    private String pdpGroup;
+    private String pdpSubgroup;
+
+    /**
+     * Constructor for instantiating PdpStateChange class with message name.
+     *
+     */
+    public PdpStateChange() {
+        super(PdpMessageType.PDP_STATE_CHANGE);
+    }
+}
diff --git a/models-pdp/src/main/java/org/onap/policy/models/pdp/concepts/PdpStatistics.java b/models-pdp/src/main/java/org/onap/policy/models/pdp/concepts/PdpStatistics.java
new file mode 100644
index 000000000..6f9b9c9d6
--- /dev/null
+++ b/models-pdp/src/main/java/org/onap/policy/models/pdp/concepts/PdpStatistics.java
@@ -0,0 +1,44 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ *  Modifications Copyright (C) 2019 AT&T Intellectual Property.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.models.pdp.concepts;
+
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+
+/**
+ * Class to represent statistics of a running PDP.
+ *
+ * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
+ */
+@Getter
+@Setter
+@ToString
+public class PdpStatistics {
+
+    private long policyDownloadCount;
+    private long policyDownloadSuccessCount;
+    private long policyDownloadFailCount;
+    private long policyExecutedCount;
+    private long policyExecutedSuccessCount;
+    private long policyExecutedFailCount;
+}
diff --git a/models-pdp/src/main/java/org/onap/policy/models/pdp/concepts/PdpStatus.java b/models-pdp/src/main/java/org/onap/policy/models/pdp/concepts/PdpStatus.java
new file mode 100644
index 000000000..f7b911fc4
--- /dev/null
+++ b/models-pdp/src/main/java/org/onap/policy/models/pdp/concepts/PdpStatus.java
@@ -0,0 +1,67 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ *  Modifications Copyright (C) 2019 AT&T Intellectual Property.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.models.pdp.concepts;
+
+import java.util.List;
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+import org.onap.policy.models.base.keys.PolicyTypeIdent;
+import org.onap.policy.models.pdp.enums.PdpHealthStatus;
+import org.onap.policy.models.pdp.enums.PdpMessageType;
+import org.onap.policy.models.pdp.enums.PdpState;
+import org.onap.policy.models.tosca.simple.concepts.ToscaPolicy;
+
+/**
+ * Class to represent the PDP_STATUS message that all the PDP's will send to PAP.
+ *
+ * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
+ */
+@Getter
+@Setter
+@ToString
+public class PdpStatus extends PdpMessage {
+
+    private String name;
+    private String version;
+    private String pdpType;
+    private PdpState state;
+    private PdpHealthStatus healthy;
+    private String description;
+    private String pdpGroup;
+    private String pdpSubgroup;
+    private List<PolicyTypeIdent> supportedPolicyTypes;
+    private List<ToscaPolicy> policies;
+    private String instance;
+    private String deploymentInstanceInfo;
+    private String properties;
+    private PdpStatistics statistics;
+    private PdpResponseDetails response;
+
+    /**
+     * Constructor for instantiating PdpStatus class with message name.
+     *
+     */
+    public PdpStatus() {
+        super(PdpMessageType.PDP_STATUS);
+    }
+}
diff --git a/models-pdp/src/main/java/org/onap/policy/models/pdp/concepts/PdpUpdate.java b/models-pdp/src/main/java/org/onap/policy/models/pdp/concepts/PdpUpdate.java
new file mode 100644
index 000000000..a048cde48
--- /dev/null
+++ b/models-pdp/src/main/java/org/onap/policy/models/pdp/concepts/PdpUpdate.java
@@ -0,0 +1,56 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ *  Modifications Copyright (C) 2019 AT&T Intellectual Property.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.models.pdp.concepts;
+
+import java.util.List;
+
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+import org.onap.policy.models.pdp.enums.PdpMessageType;
+import org.onap.policy.models.tosca.simple.concepts.ToscaPolicy;
+
+/**
+ * Class to represent the PDP_UPDATE message that PAP will send to a PDP.
+ *
+ * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
+ */
+@Getter
+@Setter
+@ToString
+public class PdpUpdate extends PdpMessage {
+
+    private String name;
+    private String pdpType;
+    private String description;
+    private String pdpGroup;
+    private String pdpSubgroup;
+    private List<ToscaPolicy> policies;
+
+    /**
+     * Constructor for instantiating PdpUpdate class with message name.
+     *
+     */
+    public PdpUpdate() {
+        super(PdpMessageType.PDP_UPDATE);
+    }
+}
diff --git a/models-pdp/src/main/java/org/onap/policy/models/pdp/enums/PdpHealthStatus.java b/models-pdp/src/main/java/org/onap/policy/models/pdp/enums/PdpHealthStatus.java
new file mode 100644
index 000000000..7d31c3344
--- /dev/null
+++ b/models-pdp/src/main/java/org/onap/policy/models/pdp/enums/PdpHealthStatus.java
@@ -0,0 +1,45 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ *  Modifications Copyright (C) 2019 AT&T Intellectual Property.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.models.pdp.enums;
+
+/**
+ * Class to hold the possible values for health status of PDP.
+ *
+ * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
+ */
+public enum PdpHealthStatus {
+
+    /**
+     * PDP is healthy and working fine.
+     */
+    HEALTHY,
+
+    /**
+     * PDP is not healthy.
+     */
+    NOT_HEALTHY,
+
+    /**
+     * PDP is currently under test state and performing tests.
+     */
+    TEST_IN_PROGRESS,
+}
diff --git a/models-pdp/src/main/java/org/onap/policy/models/pdp/enums/PdpMessageType.java b/models-pdp/src/main/java/org/onap/policy/models/pdp/enums/PdpMessageType.java
new file mode 100644
index 000000000..7ba4ad73e
--- /dev/null
+++ b/models-pdp/src/main/java/org/onap/policy/models/pdp/enums/PdpMessageType.java
@@ -0,0 +1,53 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ *  Modifications Copyright (C) 2019 AT&T Intellectual Property.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.models.pdp.enums;
+
+/**
+ * Class to hold the possible values for the type of PDP messages.
+ *
+ * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
+ */
+public enum PdpMessageType {
+
+    /**
+     * Used by PDPs to report status to PAP.
+     */
+    PDP_STATUS,
+
+    /**
+     * Used by PAP to update the policies running on PDPs, triggers a PDP_STATUS message with the result of the
+     * PDP_UPDATE operation.
+     */
+    PDP_UPDATE,
+
+    /**
+     * Used by PAP to change the state of PDPs, triggers a PDP_STATUS message with the result of the PDP_STATE_CHANGE
+     * operation.
+     */
+    PDP_STATE_CHANGE,
+
+    /**
+     * Used by PAP to order a health check on PDPs, triggers a PDP_STATUS message with the result of the
+     * PDP_HEALTH_CHECK operation.
+     */
+    PDP_HEALTH_CHECK,
+}
diff --git a/models-pdp/src/main/java/org/onap/policy/models/pdp/enums/PdpResponseStatus.java b/models-pdp/src/main/java/org/onap/policy/models/pdp/enums/PdpResponseStatus.java
new file mode 100644
index 000000000..e6b94f446
--- /dev/null
+++ b/models-pdp/src/main/java/org/onap/policy/models/pdp/enums/PdpResponseStatus.java
@@ -0,0 +1,40 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ *  Modifications Copyright (C) 2019 AT&T Intellectual Property.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.models.pdp.enums;
+
+/**
+ * Class to hold the possible values for PDP response status.
+ *
+ * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
+ */
+public enum PdpResponseStatus {
+
+    /**
+     * PDP operation was successful.
+     */
+    SUCCESS,
+
+    /**
+     * PDP operation failed.
+     */
+    FAIL,
+}
diff --git a/models-pdp/src/main/java/org/onap/policy/models/pdp/enums/PdpState.java b/models-pdp/src/main/java/org/onap/policy/models/pdp/enums/PdpState.java
new file mode 100644
index 000000000..a1b96ac17
--- /dev/null
+++ b/models-pdp/src/main/java/org/onap/policy/models/pdp/enums/PdpState.java
@@ -0,0 +1,58 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ *  Modifications Copyright (C) 2019 AT&T Intellectual Property.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.models.pdp.enums;
+
+/**
+ * Class to hold the possible values for state of PDP.
+ *
+ * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
+ */
+public enum PdpState {
+
+    /**
+     * Policy execution is always rejected irrespective of PDP type.
+     */
+    PASSIVE,
+
+    /**
+     * Policy execution proceeds, but changes to domain state or context are not carried out. The PDP returns an
+     * indication that it is running in SAFE mode together with the action it would have performed if it was operating
+     * in ACTIVE mode.
+     */
+    SAFE,
+
+    /**
+     * Policy execution proceeds and changes to domain and state are carried out in a test environment. The PDP returns
+     * an indication that it is running in TEST mode together with the action it has performed on the test environment.
+     */
+    TEST,
+
+    /**
+     * Policy execution is executed in the live environment by the PDP.
+     */
+    ACTIVE,
+
+    /**
+     * Policy execution is terminated and not available.
+     */
+    TERMINATED
+}
diff --git a/models-pdp/src/test/java/org/onap/policy/models/pdp/concepts/TestModels.java b/models-pdp/src/test/java/org/onap/policy/models/pdp/concepts/TestModels.java
new file mode 100644
index 000000000..39aee6f48
--- /dev/null
+++ b/models-pdp/src/test/java/org/onap/policy/models/pdp/concepts/TestModels.java
@@ -0,0 +1,46 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ *  Modifications Copyright (C) 2019 AT&T Intellectual Property.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.models.pdp.concepts;
+
+import com.openpojo.reflection.filters.FilterPackageInfo;
+import com.openpojo.validation.Validator;
+import com.openpojo.validation.ValidatorBuilder;
+import com.openpojo.validation.test.impl.GetterTester;
+import com.openpojo.validation.test.impl.SetterTester;
+
+import org.junit.Test;
+import org.onap.policy.common.utils.validation.ToStringTester;
+
+/**
+ * Class to perform unit testing of models.
+ *
+ * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
+ */
+public class TestModels {
+
+    @Test
+    public void testPapModels() {
+        final Validator validator = ValidatorBuilder.create().with(new ToStringTester()).with(new SetterTester())
+                .with(new GetterTester()).build();
+        validator.validate(TestModels.class.getPackage().getName(), new FilterPackageInfo());
+    }
+}
diff --git a/pom.xml b/pom.xml
index 969474627..254a54048 100644
--- a/pom.xml
+++ b/pom.xml
@@ -56,6 +56,7 @@
         <module>models-dao</module>
         <module>models-tosca</module>
         <module>models-pap</module>
+        <module>models-pdp</module>
         <module>models-errors</module>
         <module>models-decisions</module>
         <module>models-provider</module>