Changing putOperationWithJson to postOperationWithJson
[cps.git] / cps-ncmp-service / src / main / java / org / onap / cps / ncmp / api / impl / NetworkCmProxyDataServiceImpl.java
index a8c92d1..bd86cd0 100755 (executable)
@@ -3,6 +3,7 @@
  *  Copyright (C) 2021 highstreet technologies GmbH
  *  Modifications Copyright (C) 2021 Nordix Foundation
  *  Modifications Copyright (C) 2021 Pantheon.tech
+ *  Modifications Copyright (C) 2021 Bell Canada
  *  ================================================================================
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
 
 package org.onap.cps.ncmp.api.impl;
 
+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 com.fasterxml.jackson.databind.ObjectMapper;
+import java.time.OffsetDateTime;
+import java.util.ArrayList;
 import java.util.Collection;
-import java.util.Collections;
-import java.util.LinkedHashMap;
-import java.util.LinkedList;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
-import javax.validation.constraints.NotNull;
 import lombok.extern.slf4j.Slf4j;
+import org.onap.cps.api.CpsAdminService;
 import org.onap.cps.api.CpsDataService;
+import org.onap.cps.api.CpsModuleService;
 import org.onap.cps.api.CpsQueryService;
 import org.onap.cps.ncmp.api.NetworkCmProxyDataService;
 import org.onap.cps.ncmp.api.impl.exception.NcmpException;
-import org.onap.cps.ncmp.api.impl.operation.DmiOperations;
+import org.onap.cps.ncmp.api.impl.operations.DmiDataOperations;
+import org.onap.cps.ncmp.api.impl.operations.DmiModelOperations;
+import org.onap.cps.ncmp.api.impl.operations.DmiOperations;
 import org.onap.cps.ncmp.api.models.CmHandle;
 import org.onap.cps.ncmp.api.models.DmiPluginRegistration;
-import org.onap.cps.ncmp.api.models.GenericRequestBody;
 import org.onap.cps.ncmp.api.models.PersistenceCmHandle;
 import org.onap.cps.ncmp.api.models.PersistenceCmHandlesList;
 import org.onap.cps.spi.FetchDescendantsOption;
+import org.onap.cps.spi.exceptions.DataNodeNotFoundException;
 import org.onap.cps.spi.exceptions.DataValidationException;
 import org.onap.cps.spi.model.DataNode;
-import org.springframework.http.HttpStatus;
+import org.onap.cps.spi.model.ModuleReference;
 import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Service;
 import org.springframework.util.StringUtils;
 
-
 @Slf4j
 @Service
 public class NetworkCmProxyDataServiceImpl implements NetworkCmProxyDataService {
 
-    private static final String NF_PROXY_DATASPACE_NAME = "NFP-Operational";
+    private static final String NFP_OPERATIONAL_DATASTORE_DATASPACE_NAME = "NFP-Operational";
 
     private static final String NCMP_DATASPACE_NAME = "NCMP-Admin";
 
     private static final String NCMP_DMI_REGISTRY_ANCHOR = "ncmp-dmi-registry";
 
+    private static final OffsetDateTime NO_TIMESTAMP = null;
+
     private CpsDataService cpsDataService;
 
     private ObjectMapper objectMapper;
 
     private CpsQueryService cpsQueryService;
 
-    private DmiOperations dmiOperations;
+    private DmiDataOperations dmiDataOperations;
+
+    private DmiModelOperations dmiModelOperations;
+
+    private CpsModuleService cpsModuleService;
+
+    private CpsAdminService cpsAdminService;
 
     /**
      * Constructor Injection for Dependencies.
-     *
-     * @param dmiOperations   dmi operation
-     * @param cpsDataService  Data Service Interface
+     * @param dmiDataOperations DMI operation
+     * @param cpsDataService Data Service Interface
      * @param cpsQueryService Query Service Interface
-     * @param objectMapper    Object Mapper
+     * @param objectMapper Object Mapper
      */
-    public NetworkCmProxyDataServiceImpl(final DmiOperations dmiOperations, final CpsDataService cpsDataService,
-        final CpsQueryService cpsQueryService, final ObjectMapper objectMapper) {
-        this.dmiOperations = dmiOperations;
+    public NetworkCmProxyDataServiceImpl(final DmiDataOperations dmiDataOperations,
+                                         final DmiModelOperations dmiModelOperations,
+                                         final CpsModuleService cpsModuleService,
+                                         final CpsDataService cpsDataService,
+                                         final CpsQueryService cpsQueryService,
+                                         final CpsAdminService cpsAdminService,
+                                         final ObjectMapper objectMapper) {
+        this.dmiDataOperations = dmiDataOperations;
+        this.dmiModelOperations = dmiModelOperations;
+        this.cpsModuleService = cpsModuleService;
         this.cpsDataService = cpsDataService;
         this.cpsQueryService = cpsQueryService;
+        this.cpsAdminService = cpsAdminService;
         this.objectMapper = objectMapper;
     }
 
-    private String getDataspaceName() {
-        return NF_PROXY_DATASPACE_NAME;
-    }
-
     @Override
     public DataNode getDataNode(final String cmHandle, final String xpath,
         final FetchDescendantsOption fetchDescendantsOption) {
-        return cpsDataService.getDataNode(getDataspaceName(), cmHandle, xpath, fetchDescendantsOption);
+        return cpsDataService
+            .getDataNode(NFP_OPERATIONAL_DATASTORE_DATASPACE_NAME, cmHandle, xpath, fetchDescendantsOption);
     }
 
     @Override
     public Collection<DataNode> queryDataNodes(final String cmHandle, final String cpsPath,
         final FetchDescendantsOption fetchDescendantsOption) {
-        return cpsQueryService.queryDataNodes(getDataspaceName(), cmHandle, cpsPath, fetchDescendantsOption);
+        return cpsQueryService
+            .queryDataNodes(NFP_OPERATIONAL_DATASTORE_DATASPACE_NAME, cmHandle, cpsPath, fetchDescendantsOption);
     }
 
     @Override
     public void createDataNode(final String cmHandle, final String parentNodeXpath, final String jsonData) {
         if (!StringUtils.hasText(parentNodeXpath) || "/".equals(parentNodeXpath)) {
-            cpsDataService.saveData(getDataspaceName(), cmHandle, jsonData);
+            cpsDataService.saveData(NFP_OPERATIONAL_DATASTORE_DATASPACE_NAME, cmHandle, jsonData, NO_TIMESTAMP);
         } else {
-            cpsDataService.saveData(getDataspaceName(), cmHandle, parentNodeXpath, jsonData);
+            cpsDataService
+                .saveData(NFP_OPERATIONAL_DATASTORE_DATASPACE_NAME, cmHandle, parentNodeXpath, jsonData, NO_TIMESTAMP);
         }
     }
 
     @Override
     public void addListNodeElements(final String cmHandle, final String parentNodeXpath, final String jsonData) {
-        cpsDataService.saveListNodeData(getDataspaceName(), cmHandle, parentNodeXpath, jsonData);
+        cpsDataService.saveListElements(NFP_OPERATIONAL_DATASTORE_DATASPACE_NAME, cmHandle, parentNodeXpath, jsonData,
+            NO_TIMESTAMP);
     }
 
     @Override
     public void updateNodeLeaves(final String cmHandle, final String parentNodeXpath, final String jsonData) {
-        cpsDataService.updateNodeLeaves(getDataspaceName(), cmHandle, parentNodeXpath, jsonData);
+        cpsDataService
+            .updateNodeLeaves(NFP_OPERATIONAL_DATASTORE_DATASPACE_NAME, cmHandle, parentNodeXpath, jsonData,
+                NO_TIMESTAMP);
     }
 
     @Override
     public void replaceNodeTree(final String cmHandle, final String parentNodeXpath, final String jsonData) {
-        cpsDataService.replaceNodeTree(getDataspaceName(), cmHandle, parentNodeXpath, jsonData);
+        cpsDataService.replaceNodeTree(NFP_OPERATIONAL_DATASTORE_DATASPACE_NAME, cmHandle, parentNodeXpath, jsonData,
+            NO_TIMESTAMP);
     }
 
     @Override
-    public void updateDmiPluginRegistration(final DmiPluginRegistration dmiPluginRegistration) {
-        if (dmiPluginRegistration.getCreatedCmHandles() != null) {
-            parseAndCreateCmHandlesInDmiRegistration(dmiPluginRegistration);
-        }
-        if (dmiPluginRegistration.getUpdatedCmHandles() != null) {
-            parseAndUpdateCmHandlesInDmiRegistration(dmiPluginRegistration);
-        }
-    }
-
-    private void parseAndCreateCmHandlesInDmiRegistration(final DmiPluginRegistration dmiPluginRegistration) {
+    public void updateDmiRegistrationAndSyncModule(final DmiPluginRegistration dmiPluginRegistration) {
+        dmiPluginRegistration.validateDmiPluginRegistration();
         try {
-            final List<PersistenceCmHandle> createdPersistenceCmHandles =
-                new LinkedList<>();
-            for (final CmHandle cmHandle : dmiPluginRegistration.getCreatedCmHandles()) {
-                createdPersistenceCmHandles.add(toPersistenceCmHandle(dmiPluginRegistration, cmHandle));
+            if (dmiPluginRegistration.getCreatedCmHandles() != null) {
+                parseAndCreateCmHandlesInDmiRegistrationAndSyncModules(dmiPluginRegistration);
             }
-            final PersistenceCmHandlesList persistenceCmHandlesList = new PersistenceCmHandlesList();
-            persistenceCmHandlesList.setCmHandles(createdPersistenceCmHandles);
-            final String cmHandleJsonData = objectMapper.writeValueAsString(persistenceCmHandlesList);
-            cpsDataService.saveListNodeData(NCMP_DATASPACE_NAME, NCMP_DMI_REGISTRY_ANCHOR, "/dmi-registry",
-                cmHandleJsonData);
-        } catch (final JsonProcessingException e) {
-            log.error("Parsing error occurred while converting Object to JSON for Dmi Registry.");
-            throw new DataValidationException(
-                "Parsing error occurred while processing DMI Plugin Registration" + dmiPluginRegistration, e
-                .getMessage(), e);
-        }
-    }
-
-    private void parseAndUpdateCmHandlesInDmiRegistration(final DmiPluginRegistration dmiPluginRegistration) {
-        try {
-            final List<PersistenceCmHandle> updatedPersistenceCmHandles =
-                new LinkedList<>();
-            for (final CmHandle cmHandle : dmiPluginRegistration.getUpdatedCmHandles()) {
-                updatedPersistenceCmHandles.add(toPersistenceCmHandle(dmiPluginRegistration, cmHandle));
+            if (dmiPluginRegistration.getUpdatedCmHandles() != null) {
+                parseAndUpdateCmHandlesInDmiRegistration(dmiPluginRegistration);
+            }
+            if (dmiPluginRegistration.getRemovedCmHandles() != null) {
+                parseAndRemoveCmHandlesInDmiRegistration(dmiPluginRegistration);
             }
-            final PersistenceCmHandlesList persistenceCmHandlesList = new PersistenceCmHandlesList();
-            persistenceCmHandlesList.setCmHandles(updatedPersistenceCmHandles);
-            final String cmHandlesJsonData = objectMapper.writeValueAsString(persistenceCmHandlesList);
-            cpsDataService.updateNodeLeavesAndExistingDescendantLeaves(NCMP_DATASPACE_NAME, NCMP_DMI_REGISTRY_ANCHOR,
-                "/dmi-registry", cmHandlesJsonData);
         } catch (final JsonProcessingException e) {
-            log.error("Parsing error occurred while converting Object to JSON Dmi Registry.");
-            throw new DataValidationException(
-                "Parsing error occurred while processing DMI Plugin Registration" + dmiPluginRegistration, e
-                .getMessage(), e);
+            handleJsonProcessingException(dmiPluginRegistration, e);
         }
     }
 
     @Override
-    public Object getResourceDataOperationalForCmHandle(final @NotNull String cmHandle,
-        final @NotNull String resourceIdentifier,
-        final String acceptParam,
-        final String fieldsQueryParam,
-        final Integer depthQueryParam) {
-
-        final var dataNode = fetchDataNodeFromDmiRegistryForCmHandle(cmHandle);
-        final var dmiServiceName = String.valueOf(dataNode.getLeaves().get("dmi-service-name"));
-        final Collection<DataNode> additionalPropsList = dataNode.getChildDataNodes();
-        final var jsonBody = prepareOperationBody(GenericRequestBody.OperationEnum.READ, additionalPropsList);
-        final ResponseEntity<Object> response = dmiOperations.getResouceDataOperationalFromDmi(dmiServiceName,
+    public Object getResourceDataOperationalForCmHandle(final String cmHandle,
+                                                        final String resourceIdentifier,
+                                                        final String acceptParamInHeader,
+                                                        final String optionsParamInQuery) {
+        return handleResponse(dmiDataOperations.getResourceDataFromDmi(
             cmHandle,
             resourceIdentifier,
-            fieldsQueryParam,
-            depthQueryParam,
-            acceptParam,
-            jsonBody);
-        return handleResponse(response);
+            optionsParamInQuery,
+            acceptParamInHeader,
+            DmiOperations.DataStoreEnum.PASSTHROUGH_OPERATIONAL), "Not able to get resource data.");
     }
 
     @Override
-    public Object getResourceDataPassThroughRunningForCmHandle(final @NotNull String cmHandle,
-        final @NotNull String resourceIdentifier,
-        final String accept,
-        final String fields,
-        final Integer depth) {
-        final var cmHandleDataNode = fetchDataNodeFromDmiRegistryForCmHandle(cmHandle);
-        final var dmiServiceName = String.valueOf(cmHandleDataNode.getLeaves().get("dmi-service-name"));
-        final Collection<DataNode> additionalPropsList = cmHandleDataNode.getChildDataNodes();
-        final var dmiRequesBody = prepareOperationBody(GenericRequestBody.OperationEnum.READ, additionalPropsList);
-        final ResponseEntity<Object> response = dmiOperations.getResouceDataPassThroughRunningFromDmi(dmiServiceName,
+    public Object getResourceDataPassThroughRunningForCmHandle(final String cmHandle,
+                                                               final String resourceIdentifier,
+                                                               final String acceptParamInHeader,
+                                                               final String optionsParamInQuery) {
+        return handleResponse(dmiDataOperations.getResourceDataFromDmi(
             cmHandle,
             resourceIdentifier,
-            fields,
-            depth,
-            accept,
-            dmiRequesBody);
-        return handleResponse(response);
+            optionsParamInQuery,
+            acceptParamInHeader,
+            DmiOperations.DataStoreEnum.PASSTHROUGH_RUNNING), "Not able to get resource data.");
     }
 
-    private DataNode fetchDataNodeFromDmiRegistryForCmHandle(final String cmHandle) {
-        final String xpathForDmiRegistryToFetchCmHandle = "/dmi-registry/cm-handles[@id='" + cmHandle + "']";
-        final var dataNode = cpsDataService.getDataNode(NCMP_DATASPACE_NAME,
-            NCMP_DMI_REGISTRY_ANCHOR,
-            xpathForDmiRegistryToFetchCmHandle,
-            FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS);
-        return dataNode;
+    @Override
+    public void writeResourceDataPassThroughRunningForCmHandle(final String cmHandle,
+                                                               final String resourceIdentifier,
+                                                               final OperationEnum operation,
+                                                               final String requestData,
+                                                               final String dataType) {
+        handleResponse(
+            dmiDataOperations.writeResourceDataPassThroughRunningFromDmi(
+                cmHandle, resourceIdentifier, operation, requestData, dataType),
+            "Not able to " + operation + " resource data.");
     }
 
-    private String prepareOperationBody(final GenericRequestBody.OperationEnum operation,
-        final Collection<DataNode> additionalPropertyList) {
-        final var requestBody = new GenericRequestBody();
-        final Map<String, String> additionalPropertyMap = getAdditionalPropertiesMap(additionalPropertyList);
-        requestBody.setOperation(GenericRequestBody.OperationEnum.READ);
-        requestBody.setCmHandleProperties(additionalPropertyMap);
-        try {
-            final var requestJson = objectMapper.writeValueAsString(requestBody);
-            return requestJson;
-        } catch (final JsonProcessingException je) {
-            log.error("Parsing error occurred while converting Object to JSON.");
-            throw new NcmpException("Parsing error occurred while converting given object to JSON.",
-                je.getMessage());
+
+    @Override
+    public Collection<ModuleReference> getYangResourcesModuleReferences(final String cmHandle) {
+        return cpsModuleService.getYangResourcesModuleReferences(NFP_OPERATIONAL_DATASTORE_DATASPACE_NAME, cmHandle);
+    }
+
+    /**
+     * Retrieve cm handle identifiers for the given list of module names.
+     *
+     * @param moduleNames module names.
+     * @return a collection of anchor identifiers
+     */
+    @Override
+    public Collection<String> executeCmHandleHasAllModulesSearch(final Collection<String> moduleNames) {
+        return cpsAdminService.queryAnchorNames(NFP_OPERATIONAL_DATASTORE_DATASPACE_NAME, moduleNames);
+    }
+
+    /**
+     * THis method registers a cm handle and intiates modules sync.
+     *
+     * @param dmiPluginRegistration dmi plugin registration information.
+     * @throws JsonProcessingException thrown if json is malformed or missing.
+     */
+    public void parseAndCreateCmHandlesInDmiRegistrationAndSyncModules(
+        final DmiPluginRegistration dmiPluginRegistration) throws JsonProcessingException {
+        final PersistenceCmHandlesList createdPersistenceCmHandlesList =
+            getUpdatedPersistenceCmHandlesList(dmiPluginRegistration, dmiPluginRegistration.getCreatedCmHandles());
+        registerAndSyncNewCmHandles(createdPersistenceCmHandlesList);
+    }
+
+    private static Object handleResponse(final ResponseEntity<?> responseEntity,
+                                         final String exceptionMessage) {
+        if (responseEntity.getStatusCode().is2xxSuccessful()) {
+            return responseEntity.getBody();
+        } else {
+            throw new NcmpException(exceptionMessage,
+                    "DMI status code: " + responseEntity.getStatusCodeValue()
+                            + ", DMI response body: " + responseEntity.getBody());
         }
     }
 
-    private Map<String, String> getAdditionalPropertiesMap(final Collection<DataNode> additionalPropertyList) {
-        if (additionalPropertyList == null || additionalPropertyList.size() == 0) {
-            return null;
+    private void parseAndUpdateCmHandlesInDmiRegistration(final DmiPluginRegistration dmiPluginRegistration)
+        throws JsonProcessingException {
+        final PersistenceCmHandlesList updatedPersistenceCmHandlesList =
+            getUpdatedPersistenceCmHandlesList(dmiPluginRegistration, dmiPluginRegistration.getUpdatedCmHandles());
+        final String cmHandlesAsJson = objectMapper.writeValueAsString(updatedPersistenceCmHandlesList);
+        cpsDataService.updateNodeLeavesAndExistingDescendantLeaves(NCMP_DATASPACE_NAME, NCMP_DMI_REGISTRY_ANCHOR,
+                "/dmi-registry", cmHandlesAsJson, NO_TIMESTAMP);
+    }
+
+    private PersistenceCmHandlesList getUpdatedPersistenceCmHandlesList(
+        final DmiPluginRegistration dmiPluginRegistration,
+        final List<CmHandle> updatedCmHandles) {
+        return PersistenceCmHandlesList.toPersistenceCmHandlesList(
+            dmiPluginRegistration.getDmiPlugin(),
+            dmiPluginRegistration.getDmiDataPlugin(),
+            dmiPluginRegistration.getDmiModelPlugin(),
+            updatedCmHandles);
+    }
+
+    private static void handleJsonProcessingException(final DmiPluginRegistration dmiPluginRegistration,
+                                                      final JsonProcessingException e) {
+        final String message = "Parsing error occurred while processing DMI Plugin Registration"
+            + dmiPluginRegistration;
+        log.error(message);
+        throw new DataValidationException(message, e.getMessage(), e);
+    }
+
+    private void registerAndSyncNewCmHandles(final PersistenceCmHandlesList persistenceCmHandlesList)
+        throws JsonProcessingException  {
+        final String cmHandleJsonData = objectMapper.writeValueAsString(persistenceCmHandlesList);
+        cpsDataService.saveListElements(NCMP_DATASPACE_NAME, NCMP_DMI_REGISTRY_ANCHOR, "/dmi-registry",
+            cmHandleJsonData, NO_TIMESTAMP);
+
+        for (final PersistenceCmHandle persistenceCmHandle : persistenceCmHandlesList.getPersistenceCmHandles()) {
+            syncModulesAndCreateAnchor(persistenceCmHandle);
         }
-        final Map<String, String> additionalPropertyMap = new LinkedHashMap<>();
-        for (final var node : additionalPropertyList) {
-            additionalPropertyMap.put(String.valueOf(node.getLeaves().get("name")),
-                String.valueOf(node.getLeaves().get("value")));
+    }
+
+    protected void syncModulesAndCreateAnchor(final PersistenceCmHandle persistenceCmHandle) {
+        syncAndCreateSchemaSet(persistenceCmHandle);
+        createAnchor(persistenceCmHandle);
+    }
+
+    private void parseAndRemoveCmHandlesInDmiRegistration(final DmiPluginRegistration dmiPluginRegistration) {
+        for (final String cmHandle : dmiPluginRegistration.getRemovedCmHandles()) {
+            try {
+                cpsModuleService.deleteSchemaSet(NFP_OPERATIONAL_DATASTORE_DATASPACE_NAME, cmHandle,
+                    CASCADE_DELETE_ALLOWED);
+                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());
+            }
         }
-        return additionalPropertyMap;
     }
 
-    private Object handleResponse(final ResponseEntity<Object> responseEntity) {
-        if (responseEntity.getStatusCode() == HttpStatus.OK) {
-            return responseEntity.getBody();
+    private void syncAndCreateSchemaSet(final PersistenceCmHandle persistenceCmHandle) {
+        final List<ModuleReference> moduleReferencesFromCmHandle =
+            dmiModelOperations.getModuleReferences(persistenceCmHandle);
+        final List<ModuleReference> existingModuleReferences = new ArrayList<>();
+        final List<ModuleReference> unknownModuleReferences = new ArrayList<>();
+        prepareModuleSubsets(moduleReferencesFromCmHandle, existingModuleReferences, unknownModuleReferences);
+
+        final Map<String, String> newYangResourcesModuleNameToContentMap;
+        if (unknownModuleReferences.isEmpty()) {
+            newYangResourcesModuleNameToContentMap = new HashMap<>();
         } else {
-            throw new NcmpException("Not able to get resource data.",
-                "DMI status code: " + responseEntity.getStatusCodeValue()
-                    + ", DMI response body: " + responseEntity.getBody());
+            newYangResourcesModuleNameToContentMap = dmiModelOperations.getNewYangResourcesFromDmi(persistenceCmHandle,
+                unknownModuleReferences);
         }
+        cpsModuleService
+            .createSchemaSetFromModules(NFP_OPERATIONAL_DATASTORE_DATASPACE_NAME, persistenceCmHandle.getId(),
+                newYangResourcesModuleNameToContentMap, existingModuleReferences);
     }
 
-    private PersistenceCmHandle toPersistenceCmHandle(final DmiPluginRegistration dmiPluginRegistration,
-        final CmHandle cmHandle) {
-        final PersistenceCmHandle persistenceCmHandle = new PersistenceCmHandle();
-        persistenceCmHandle.setDmiServiceName(dmiPluginRegistration.getDmiPlugin());
-        persistenceCmHandle.setId(cmHandle.getCmHandleID());
-        if (cmHandle.getCmHandleProperties() == null) {
-            persistenceCmHandle.setAdditionalProperties(Collections.EMPTY_MAP);
-        } else {
-            persistenceCmHandle.setAdditionalProperties(cmHandle.getCmHandleProperties());
+    private void prepareModuleSubsets(final List<ModuleReference> moduleReferencesFromCmHandle,
+                                      final List<ModuleReference> existingModuleReferences,
+                                      final List<ModuleReference> unknownModuleReferences) {
+
+        final Collection<ModuleReference> knownModuleReferencesInCps =
+            cpsModuleService.getYangResourceModuleReferences(NFP_OPERATIONAL_DATASTORE_DATASPACE_NAME);
+
+        for (final ModuleReference moduleReferenceFromDmiForCmHandle : moduleReferencesFromCmHandle) {
+            if (knownModuleReferencesInCps.contains(moduleReferenceFromDmiForCmHandle)) {
+                existingModuleReferences.add(moduleReferenceFromDmiForCmHandle);
+            } else {
+                unknownModuleReferences.add(moduleReferenceFromDmiForCmHandle);
+            }
         }
-        return persistenceCmHandle;
     }
 
+    private void createAnchor(final PersistenceCmHandle persistenceCmHandle) {
+        cpsAdminService.createAnchor(NFP_OPERATIONAL_DATASTORE_DATASPACE_NAME, persistenceCmHandle.getId(),
+            persistenceCmHandle.getId());
+    }
+
+
+
 }