Registration Response for Update and Delete cmhandles operations

- Process registration in the delete, create and update order
- updateRegistration returns DMIRegistartionRespons that contains
  response for all operations
- Added logic to not delete cmhandle if schemaset deletion fails

Issue-ID: CPS-896
Signed-off-by: Renu Kumari <renu.kumari@bell.ca>
Change-Id: I907ff678d478894e7d4d3cc24b23a979c02ed97a

4 files changed, 75 insertions, 19 deletions

diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/NetworkCmProxyDataService.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/NetworkCmProxyDataService.java
index d942d26c88..7f4c18f371 100644
--- a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/NetworkCmProxyDataService.java
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/NetworkCmProxyDataService.java
@@ -3,6 +3,7 @@
  *  Copyright (C) 2021 highstreet technologies GmbH
  *  Modifications Copyright (C) 2021-2022 Nordix Foundation
  *  Modifications Copyright (C) 2021 Pantheon.tech
+ *  Modifications Copyright (C) 2022 Bell Canada
  *  ================================================================================
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
@@ -26,6 +27,7 @@ import static org.onap.cps.ncmp.api.impl.operations.DmiRequestBody.OperationEnum
 
 import java.util.Collection;
 import org.onap.cps.ncmp.api.models.DmiPluginRegistration;
+import org.onap.cps.ncmp.api.models.DmiPluginRegistrationResponse;
 import org.onap.cps.ncmp.api.models.NcmpServiceCmHandle;
 import org.onap.cps.spi.model.ModuleReference;
 
@@ -38,8 +40,9 @@ public interface NetworkCmProxyDataService {
      * Registration of New CM Handles.
      *
      * @param dmiPluginRegistration Dmi Plugin Registration
+     * @return dmiPluginRegistrationResponse
      */
-    void updateDmiRegistrationAndSyncModule(DmiPluginRegistration dmiPluginRegistration);
+    DmiPluginRegistrationResponse updateDmiRegistrationAndSyncModule(DmiPluginRegistration dmiPluginRegistration);
 
     /**
      * Get resource data for data store pass-through operational
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServiceImpl.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServiceImpl.java
index 76d4cef9e8..576c45c29e 100755
--- a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServiceImpl.java
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServiceImpl.java
@@ -3,7 +3,7 @@
  *  Copyright (C) 2021 highstreet technologies GmbH
  *  Modifications Copyright (C) 2021-2022 Nordix Foundation
  *  Modifications Copyright (C) 2021 Pantheon.tech
- *  Modifications Copyright (C) 2021 Bell Canada
+ *  Modifications Copyright (C) 2021-2022 Bell Canada
  *  ================================================================================
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
@@ -32,6 +32,7 @@ import static org.onap.cps.ncmp.api.impl.operations.DmiRequestBody.OperationEnum
 import static org.onap.cps.spi.CascadeDeleteAllowed.CASCADE_DELETE_ALLOWED;
 
 import com.fasterxml.jackson.core.JsonProcessingException;
+import java.util.ArrayList;
 import java.util.Collection;
 import java.util.HashMap;
 import java.util.LinkedHashMap;
@@ -54,10 +55,14 @@ import org.onap.cps.ncmp.api.impl.operations.DmiOperations;
 import org.onap.cps.ncmp.api.impl.operations.YangModelCmHandleRetriever;
 import org.onap.cps.ncmp.api.impl.yangmodels.YangModelCmHandle;
 import org.onap.cps.ncmp.api.impl.yangmodels.YangModelCmHandlesList;
+import org.onap.cps.ncmp.api.models.CmHandleRegistrationResponse;
+import org.onap.cps.ncmp.api.models.CmHandleRegistrationResponse.RegistrationError;
 import org.onap.cps.ncmp.api.models.DmiPluginRegistration;
+import org.onap.cps.ncmp.api.models.DmiPluginRegistrationResponse;
 import org.onap.cps.ncmp.api.models.NcmpServiceCmHandle;
 import org.onap.cps.spi.exceptions.DataNodeNotFoundException;
 import org.onap.cps.spi.exceptions.DataValidationException;
+import org.onap.cps.spi.exceptions.SchemaSetNotFoundException;
 import org.onap.cps.spi.model.ModuleReference;
 import org.onap.cps.utils.JsonObjectMapper;
 import org.springframework.http.HttpStatus;
@@ -92,22 +97,28 @@ public class NetworkCmProxyDataServiceImpl implements NetworkCmProxyDataService
     private static final String NO_TOPIC = null;
 
     @Override
-    public void updateDmiRegistrationAndSyncModule(final DmiPluginRegistration dmiPluginRegistration) {
+    public DmiPluginRegistrationResponse updateDmiRegistrationAndSyncModule(
+        final DmiPluginRegistration dmiPluginRegistration) {
         dmiPluginRegistration.validateDmiPluginRegistration();
+        final var dmiPluginRegistrationResponse = new DmiPluginRegistrationResponse();
         try {
+            dmiPluginRegistrationResponse.setRemovedCmHandles(
+                parseAndRemoveCmHandlesInDmiRegistration(dmiPluginRegistration.getRemovedCmHandles()));
             if (!dmiPluginRegistration.getCreatedCmHandles().isEmpty()) {
                 parseAndCreateCmHandlesInDmiRegistrationAndSyncModules(dmiPluginRegistration);
             }
             if (!dmiPluginRegistration.getUpdatedCmHandles().isEmpty()) {
-                parseAndUpdateCmHandlesInDmiRegistration(dmiPluginRegistration);
+                dmiPluginRegistrationResponse.setUpdatedCmHandles(
+                    networkCmProxyDataServicePropertyHandler
+                        .updateCmHandleProperties(dmiPluginRegistration.getUpdatedCmHandles()));
             }
-            parseAndRemoveCmHandlesInDmiRegistration(dmiPluginRegistration);
         } catch (final JsonProcessingException | DataNodeNotFoundException e) {
             final String errorMessage = String.format(
                     "Error occurred while processing the CM-handle registration request, caused by : [%s]",
                     e.getMessage());
             throw new DataValidationException(errorMessage, e.getMessage(), e);
         }
+        return dmiPluginRegistrationResponse;
     }
 
     @Override
@@ -162,6 +173,7 @@ public class NetworkCmProxyDataServiceImpl implements NetworkCmProxyDataService
 
     /**
      * Retrieve cm handle details for a given cm handle.
+     *
      * @param cmHandleId cm handle identifier
      * @return cm handle details
      */
@@ -224,10 +236,6 @@ public class NetworkCmProxyDataServiceImpl implements NetworkCmProxyDataService
         }
     }
 
-    private void parseAndUpdateCmHandlesInDmiRegistration(final DmiPluginRegistration dmiPluginRegistration) {
-        networkCmProxyDataServicePropertyHandler.updateCmHandleProperties(dmiPluginRegistration.getUpdatedCmHandles());
-    }
-
     private YangModelCmHandlesList getUpdatedYangModelCmHandlesList(
         final DmiPluginRegistration dmiPluginRegistration,
         final List<NcmpServiceCmHandle> updatedCmHandles) {
@@ -253,24 +261,37 @@ public class NetworkCmProxyDataServiceImpl implements NetworkCmProxyDataService
         createAnchor(yangModelCmHandle);
     }
 
-    private void parseAndRemoveCmHandlesInDmiRegistration(final DmiPluginRegistration dmiPluginRegistration) {
-        for (final String cmHandle : dmiPluginRegistration.getRemovedCmHandles()) {
+    private List<CmHandleRegistrationResponse> parseAndRemoveCmHandlesInDmiRegistration(
+        final List<String> tobeRemovedCmHandles) {
+        final List<CmHandleRegistrationResponse> cmHandleRegistrationResponses =
+            new ArrayList<>(tobeRemovedCmHandles.size());
+        for (final String cmHandle : tobeRemovedCmHandles) {
             try {
-                attemptToDeleteSchemaSetWithCascade(cmHandle);
+                deleteSchemaSetWithCascade(cmHandle);
                 cpsDataService.deleteListOrListElement(NCMP_DATASPACE_NAME, NCMP_DMI_REGISTRY_ANCHOR,
                     "/dmi-registry/cm-handles[@id='" + cmHandle + "']", NO_TIMESTAMP);
-            } catch (final DataNodeNotFoundException e) {
-                log.warn("Datanode {} not deleted message {}", cmHandle, e.getMessage());
+                cmHandleRegistrationResponses.add(CmHandleRegistrationResponse.createSuccessResponse(cmHandle));
+            } catch (final DataNodeNotFoundException dataNodeNotFoundException) {
+                log.error("Unable to find dataNode for cmHandleId : {} , caused by : {}",
+                    cmHandle, dataNodeNotFoundException.getMessage());
+                cmHandleRegistrationResponses.add(CmHandleRegistrationResponse
+                    .createFailureResponse(cmHandle, RegistrationError.CM_HANDLE_DOES_NOT_EXIST));
+            } catch (final Exception exception) {
+                log.error("Unable to de-register cm-handleIdd : {} , caused by : {}",
+                    cmHandle, exception.getMessage());
+                cmHandleRegistrationResponses.add(
+                    CmHandleRegistrationResponse.createFailureResponse(cmHandle, exception));
             }
         }
+        return cmHandleRegistrationResponses;
     }
 
-    private void attemptToDeleteSchemaSetWithCascade(final String schemaSetName) {
+    private void deleteSchemaSetWithCascade(final String schemaSetName) {
         try {
             cpsModuleService.deleteSchemaSet(NFP_OPERATIONAL_DATASTORE_DATASPACE_NAME, schemaSetName,
                 CASCADE_DELETE_ALLOWED);
-        } catch (final Exception e) {
-            log.warn("Schema set {} delete failed, reason {}", schemaSetName, e.getMessage());
+        } catch (final SchemaSetNotFoundException schemaSetNotFoundException) {
+            log.warn("Schema set {} does not exist or already deleted", schemaSetName);
         }
     }
 
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServicePropertyHandler.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServicePropertyHandler.java
index 532d8463d7..c838a752ec 100644
--- a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServicePropertyHandler.java
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServicePropertyHandler.java
@@ -67,8 +67,7 @@ public class NetworkCmProxyDataServicePropertyHandler {
      * @param ncmpServiceCmHandles collection of ncmpServiceCmHandles
      */
     public List<CmHandleRegistrationResponse> updateCmHandleProperties(
-        final Collection<NcmpServiceCmHandle> ncmpServiceCmHandles)
-        throws DataNodeNotFoundException {
+        final Collection<NcmpServiceCmHandle> ncmpServiceCmHandles) {
         final List<CmHandleRegistrationResponse> cmHandleRegistrationResponses = new ArrayList<>();
         for (final NcmpServiceCmHandle ncmpServiceCmHandle : ncmpServiceCmHandles) {
             final String cmHandle = ncmpServiceCmHandle.getCmHandleID();
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/models/DmiPluginRegistrationResponse.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/models/DmiPluginRegistrationResponse.java
new file mode 100644
index 0000000000..ce2f3e66aa
--- /dev/null
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/models/DmiPluginRegistrationResponse.java
@@ -0,0 +1,33 @@
+/*
+ *  ============LICENSE_START=======================================================
+ *  Copyright (C) 2022 Bell Canada
+ *  ================================================================================
+ *  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.api.models;
+
+import java.util.List;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@NoArgsConstructor
+public class DmiPluginRegistrationResponse {
+    private List<CmHandleRegistrationResponse> createdCmHandles;
+    private List<CmHandleRegistrationResponse> updatedCmHandles;
+    private List<CmHandleRegistrationResponse> removedCmHandles;
+}
\ No newline at end of file