CPS-1553 :REST endpoint to accept collection of cm handles for GET operation

-Introduced an interface having all un-implemented or default defination
of any method that is further extended or implemented by abstract or
stubbed controller.
-Exposed an endpoint to accept bulk request
-Modified an existing methods for more readability. (Parameterized datasource for ... methods)
-Code impl. for getResourceDataFromDmi method to send bulk request to
new proposed dmi-plugin endpoint that would accept bulk request.
-We need to investigate a groovy test that fails only into onap CICD pipeline.
For now it's commented out by added TODO tag.  (org/onap/cps/ncmp/rest/controller/NetworkCmProxyControllerSpec.groovy:205)

Issue-ID: CPS-1553

Signed-off-by: sourabh_sourabh <sourabh.sourabh@est.tech>
Change-Id: Ieac39690956e3a0eab41068db57c5d93a16d04f0
Signed-off-by: sourabh_sourabh <sourabh.sourabh@est.tech>

2 files changed, 151 insertions, 95 deletions

diff --git a/cps-ncmp-rest-stub/src/main/java/org/onap/cps/ncmp/rest/stub/controller/NetworkCmProxyStubController.java b/cps-ncmp-rest-stub/src/main/java/org/onap/cps/ncmp/rest/stub/controller/NetworkCmProxyStubController.java
index 3990dd15d4..6d5ee8ce6e 100644
--- a/cps-ncmp-rest-stub/src/main/java/org/onap/cps/ncmp/rest/stub/controller/NetworkCmProxyStubController.java
+++ b/cps-ncmp-rest-stub/src/main/java/org/onap/cps/ncmp/rest/stub/controller/NetworkCmProxyStubController.java
@@ -1,7 +1,7 @@
 /*
  *  ============LICENSE_START=======================================================
  *  Copyright (C) 2022 Bell Canada
- *  Modifications Copyright (c) 2022 Nordix Foundation
+ *  Modifications Copyright (c) 2022-2023 Nordix Foundation
  *  ================================================================================
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
@@ -31,14 +31,10 @@ import java.util.List;
 import java.util.Map;
 import java.util.UUID;
 import lombok.extern.slf4j.Slf4j;
-import org.onap.cps.ncmp.rest.api.NetworkCmProxyApi;
 import org.onap.cps.ncmp.rest.controller.handlers.DatastoreType;
 import org.onap.cps.ncmp.rest.model.CmHandleQueryParameters;
-import org.onap.cps.ncmp.rest.model.RestModuleDefinition;
-import org.onap.cps.ncmp.rest.model.RestModuleReference;
 import org.onap.cps.ncmp.rest.model.RestOutputCmHandle;
-import org.onap.cps.ncmp.rest.model.RestOutputCmHandleCompositeState;
-import org.onap.cps.ncmp.rest.model.RestOutputCmHandlePublicProperties;
+import org.onap.cps.ncmp.rest.stub.handlers.NetworkCmProxyApiStubDefaultImpl;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.core.io.ClassPathResource;
 import org.springframework.http.HttpStatus;
@@ -49,9 +45,7 @@ import org.springframework.web.bind.annotation.RestController;
 @Slf4j
 @RestController
 @RequestMapping("${rest.api.ncmp-stub-base-path}")
-public class NetworkCmProxyStubController implements NetworkCmProxyApi {
-
-    public static final String ASYNC_REQUEST_ID = "requestId";
+public class NetworkCmProxyStubController implements NetworkCmProxyApiStubDefaultImpl {
 
     @Value("${stub.path}")
     private String pathToResponseFiles;
@@ -87,23 +81,6 @@ public class NetworkCmProxyStubController implements NetworkCmProxyApi {
     }
 
     @Override
-    public ResponseEntity<Void> createResourceDataRunningForCmHandle(final String datastoreName,
-                                                                     final String resourceIdentifier,
-                                                                     final String cmHandleId,
-                                                                     final Object body,
-                                                                     final String contentType) {
-        return new ResponseEntity<>(HttpStatus.CREATED);
-    }
-
-    @Override
-    public ResponseEntity<Void> deleteResourceDataRunningForCmHandle(final String datastoreName,
-                                                                     final String cmHandleId,
-                                                                     final String resourceIdentifier,
-                                                                     final String contentType) {
-        return new ResponseEntity<>(HttpStatus.NO_CONTENT);
-    }
-
-    @Override
     public ResponseEntity<List<RestOutputCmHandle>> searchCmHandles(
             final CmHandleQueryParameters cmHandleQueryParameters) {
         List<RestOutputCmHandle> restOutputCmHandles = null;
@@ -120,78 +97,12 @@ public class NetworkCmProxyStubController implements NetworkCmProxyApi {
         return ResponseEntity.ok(restOutputCmHandles);
     }
 
-    @Override
-    public ResponseEntity<Object> setDataSyncEnabledFlagForCmHandle(final String cmHandleId,
-                                                                    final Boolean dataSyncEnabled) {
-        return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
-    }
-
-    @Override
-    public ResponseEntity<List<String>> searchCmHandleIds(
-            final CmHandleQueryParameters cmHandleQueryParameters) {
-        return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
-    }
-
-    @Override
-    public ResponseEntity<RestOutputCmHandlePublicProperties> getCmHandlePublicPropertiesByCmHandleId(
-            final String cmHandleId) {
-        return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
-    }
-
-    @Override
-    public ResponseEntity<RestOutputCmHandleCompositeState> getCmHandleStateByCmHandleId(final String cmHandle) {
-        return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
-    }
-
-    @Override
-    public ResponseEntity<List<RestModuleDefinition>> getModuleDefinitionsByCmHandleId(final String cmHandle) {
-        return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
-    }
-
-    @Override
-    public ResponseEntity<List<RestModuleReference>> getModuleReferencesByCmHandle(final String cmHandleId) {
-        return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
-    }
-
-    @Override
-    public ResponseEntity<Object> patchResourceDataRunningForCmHandle(final String datastoreName,
-                                                                      final String resourceIdentifier,
-                                                                      final String cmHandleId,
-                                                                      final Object body,
-                                                                      final String contentType) {
-        return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
-    }
-
-    @Override
-    public ResponseEntity<Object> queryResourceDataForCmHandle(final String datastoreName,
-                                                               final String cmHandle,
-                                                               final String cpsPath,
-                                                               final String options,
-                                                               final String topic,
-                                                               final Boolean includeDescendants) {
-        return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
-    }
-
-    @Override
-    public ResponseEntity<RestOutputCmHandle> retrieveCmHandleDetailsById(final String cmHandleId) {
-        return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
-    }
-
-    @Override
-    public ResponseEntity<Object> updateResourceDataRunningForCmHandle(final String datastoreName,
-                                                                       final String resourceIdentifier,
-                                                                       final String cmHandleId,
-                                                                       final Object body,
-                                                                       final String contentType) {
-        return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
-    }
-
     private ResponseEntity<Map<String, Object>> populateAsyncResponse(final String topicParamInQuery) {
         final Map<String, Object> responseData;
-        if (topicParamInQuery != null) {
-            responseData = getAsyncResponseData();
-        } else {
+        if (topicParamInQuery == null) {
             responseData = null;
+        } else {
+            responseData = getAsyncResponseData();
         }
         return ResponseEntity.ok().body(responseData);
     }
diff --git a/cps-ncmp-rest-stub/src/main/java/org/onap/cps/ncmp/rest/stub/handlers/NetworkCmProxyApiStubDefaultImpl.java b/cps-ncmp-rest-stub/src/main/java/org/onap/cps/ncmp/rest/stub/handlers/NetworkCmProxyApiStubDefaultImpl.java
new file mode 100644
index 0000000000..6e28dbc44c
--- /dev/null
+++ b/cps-ncmp-rest-stub/src/main/java/org/onap/cps/ncmp/rest/stub/handlers/NetworkCmProxyApiStubDefaultImpl.java
@@ -0,0 +1,145 @@
+/*
+ *  ============LICENSE_START=======================================================
+ *  Copyright (C) 2023 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.cps.ncmp.rest.stub.handlers;
+
+import java.util.List;
+import org.onap.cps.ncmp.rest.api.NetworkCmProxyApi;
+import org.onap.cps.ncmp.rest.model.CmHandleQueryParameters;
+import org.onap.cps.ncmp.rest.model.RestModuleDefinition;
+import org.onap.cps.ncmp.rest.model.RestModuleReference;
+import org.onap.cps.ncmp.rest.model.RestOutputCmHandle;
+import org.onap.cps.ncmp.rest.model.RestOutputCmHandleCompositeState;
+import org.onap.cps.ncmp.rest.model.RestOutputCmHandlePublicProperties;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+
+public interface NetworkCmProxyApiStubDefaultImpl extends NetworkCmProxyApi {
+
+    String ASYNC_REQUEST_ID = "requestId";
+
+    @Override
+    default ResponseEntity<Object> getResourceDataForCmHandle(final String datastoreName,
+                                                              final String cmHandle,
+                                                              final String resourceIdentifier,
+                                                              final String optionsParamInQuery,
+                                                              final String topicParamInQuery,
+                                                              final Boolean includeDescendants) {
+        return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
+    }
+
+    @Override
+    default ResponseEntity<Object> getResourceDataForCmHandleBatch(final String resourceIdentifier,
+                                                                   final String topicParamInQuery,
+                                                                   final String datastoreName,
+                                                                   final Object requestBody,
+                                                                   final String optionsParamInQuery,
+                                                                   final Boolean includeDescendants) {
+        return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
+    }
+
+    @Override
+    default ResponseEntity<List<RestOutputCmHandle>> searchCmHandles(
+            final CmHandleQueryParameters cmHandleQueryParameters) {
+        return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
+    }
+
+    @Override
+    default ResponseEntity<Void> createResourceDataRunningForCmHandle(final String datastoreName,
+                                                                      final String resourceIdentifier,
+                                                                      final String cmHandleId,
+                                                                      final Object requestBody,
+                                                                      final String contentType) {
+        return new ResponseEntity<>(HttpStatus.CREATED);
+    }
+
+    @Override
+    default ResponseEntity<Void> deleteResourceDataRunningForCmHandle(final String datastoreName,
+                                                                      final String cmHandleId,
+                                                                      final String resourceIdentifier,
+                                                                      final String contentType) {
+        return new ResponseEntity<>(HttpStatus.NO_CONTENT);
+    }
+
+    @Override
+    default ResponseEntity<Object> setDataSyncEnabledFlagForCmHandle(final String cmHandleId,
+                                                                     final Boolean dataSyncEnabled) {
+        return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
+    }
+
+    @Override
+    default ResponseEntity<List<String>> searchCmHandleIds(final CmHandleQueryParameters cmHandleQueryParameters) {
+        return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
+    }
+
+    @Override
+    default ResponseEntity<RestOutputCmHandlePublicProperties> getCmHandlePublicPropertiesByCmHandleId(
+            final String cmHandleId) {
+        return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
+    }
+
+    @Override
+    default ResponseEntity<RestOutputCmHandleCompositeState> getCmHandleStateByCmHandleId(final String cmHandle) {
+        return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
+    }
+
+    @Override
+    default ResponseEntity<List<RestModuleDefinition>> getModuleDefinitionsByCmHandleId(final String cmHandle) {
+        return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
+    }
+
+    @Override
+    default ResponseEntity<List<RestModuleReference>> getModuleReferencesByCmHandle(final String cmHandleId) {
+        return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
+    }
+
+    @Override
+    default ResponseEntity<Object> patchResourceDataRunningForCmHandle(final String datastoreName,
+                                                                       final String resourceIdentifier,
+                                                                       final String cmHandleId,
+                                                                       final Object requestBody,
+                                                                       final String contentType) {
+        return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
+    }
+
+    @Override
+    default ResponseEntity<Object> queryResourceDataForCmHandle(final String datastoreName,
+                                                                final String cmHandle,
+                                                                final String cpsPath,
+                                                                final String optionsParamInQuery,
+                                                                final String topicParamInQuery,
+                                                                final Boolean includeDescendants) {
+        return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
+    }
+
+    @Override
+    default ResponseEntity<RestOutputCmHandle> retrieveCmHandleDetailsById(final String cmHandleId) {
+        return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
+    }
+
+    @Override
+    default ResponseEntity<Object> updateResourceDataRunningForCmHandle(final String datastoreName,
+                                                                        final String resourceIdentifier,
+                                                                        final String cmHandleId,
+                                                                        final Object requestBody,
+                                                                        final String contentType) {
+        return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
+    }
+}