Adding models-pap module to policy/models

1) Adding models-pap module to policy/models for storing models required
by PAP REST API's.
2) Adding test cases.

Change-Id: I4e8c38f1ebe96e7a50a188f19f4f4a5bed835f99
Issue-ID: POLICY-1541
Signed-off-by: ramverma <ram.krishna.verma@est.tech>

3 files changed, 143 insertions, 0 deletions

diff --git a/models-pap/src/main/java/org/onap/policy/models/pap/concepts/PdpGroup.java b/models-pap/src/main/java/org/onap/policy/models/pap/concepts/PdpGroup.java
new file mode 100644
index 000000000..6da5a10d1
--- /dev/null
+++ b/models-pap/src/main/java/org/onap/policy/models/pap/concepts/PdpGroup.java
@@ -0,0 +1,49 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * 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.pap.concepts;
+
+import java.util.List;
+import java.util.Map;
+
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+
+import org.onap.policy.pdp.common.enums.PdpState;
+
+/**
+ * Class to represent a PDPGroup, which groups multiple PDPSubGroup entities together for a particular domain.
+ *
+ * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
+ */
+@Getter
+@Setter
+@ToString
+public class PdpGroup {
+
+    private String name;
+    private String version;
+    private PdpState state;
+    private String description;
+    private Map<String, String> properties;
+    private List<PdpSubGroup> pdpSubgroups;
+
+}
diff --git a/models-pap/src/main/java/org/onap/policy/models/pap/concepts/PdpInstanceDetails.java b/models-pap/src/main/java/org/onap/policy/models/pap/concepts/PdpInstanceDetails.java
new file mode 100644
index 000000000..44645fcc0
--- /dev/null
+++ b/models-pap/src/main/java/org/onap/policy/models/pap/concepts/PdpInstanceDetails.java
@@ -0,0 +1,44 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * 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.pap.concepts;
+
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+
+import org.onap.policy.pdp.common.enums.PdpHealthStatus;
+import org.onap.policy.pdp.common.enums.PdpState;
+
+/**
+ * Class to represent details of a running instance of PDP.
+ *
+ * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
+ */
+@Getter
+@Setter
+@ToString
+public class PdpInstanceDetails {
+
+    private String instanceId;
+    private PdpState state;
+    private PdpHealthStatus healthy;
+    private String message;
+}
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
new file mode 100644
index 000000000..248c82979
--- /dev/null
+++ b/models-pap/src/main/java/org/onap/policy/models/pap/concepts/PdpSubGroup.java
@@ -0,0 +1,50 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * 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.pap.concepts;
+
+import java.util.List;
+import java.util.Map;
+
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+
+import org.onap.policy.pdp.common.models.Policy;
+
+/**
+ * Class to represent a group of all PDP's of the same pdp type running for a particular domain.
+ *
+ * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
+ */
+@Getter
+@Setter
+@ToString
+public class PdpSubGroup {
+
+    private String pdpType;
+    private List<String> supportedPolicyTypes;
+    private List<Policy> policies;
+    private int currentInstanceCount;
+    private int desiredInstanceCount;
+    private Map<String, String> properties;
+    private List<PdpInstanceDetails> pdpInstances;
+
+}