Registration Response for Create cmhandles operations
[cps.git] / cps-ncmp-service / src / main / java / org / onap / cps / ncmp / api / impl / NetworkCmProxyDataServiceImpl.java
index a8c92d1..c3369d8 100755 (executable)
@@ -1,8 +1,9 @@
 /*
  *  ============LICENSE_START=======================================================
  *  Copyright (C) 2021 highstreet technologies GmbH
- *  Modifications Copyright (C) 2021 Nordix Foundation
+ *  Modifications Copyright (C) 2021-2022 Nordix Foundation
  *  Modifications Copyright (C) 2021 Pantheon.tech
+ *  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.
 
 package org.onap.cps.ncmp.api.impl;
 
-import com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.databind.ObjectMapper;
+import static org.onap.cps.ncmp.api.impl.constants.DmiRegistryConstants.NCMP_DATASPACE_NAME;
+import static org.onap.cps.ncmp.api.impl.constants.DmiRegistryConstants.NCMP_DMI_REGISTRY_ANCHOR;
+import static org.onap.cps.ncmp.api.impl.constants.DmiRegistryConstants.NCMP_DMI_REGISTRY_PARENT;
+import static org.onap.cps.ncmp.api.impl.constants.DmiRegistryConstants.NFP_OPERATIONAL_DATASTORE_DATASPACE_NAME;
+import static org.onap.cps.ncmp.api.impl.constants.DmiRegistryConstants.NO_TIMESTAMP;
+import static org.onap.cps.ncmp.api.impl.operations.DmiRequestBody.OperationEnum;
+import static org.onap.cps.spi.CascadeDeleteAllowed.CASCADE_DELETE_ALLOWED;
+
+import java.util.ArrayList;
 import java.util.Collection;
-import java.util.Collections;
+import java.util.HashMap;
 import java.util.LinkedHashMap;
-import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
-import javax.validation.constraints.NotNull;
+import java.util.UUID;
+import java.util.regex.Pattern;
+import java.util.stream.Collectors;
+import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
+import org.onap.cps.api.CpsAdminService;
 import org.onap.cps.api.CpsDataService;
-import org.onap.cps.api.CpsQueryService;
+import org.onap.cps.api.CpsModuleService;
 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.models.CmHandle;
+import org.onap.cps.ncmp.api.impl.exception.InvalidTopicException;
+import org.onap.cps.ncmp.api.impl.exception.ServerNcmpException;
+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.impl.operations.YangModelCmHandleRetriever;
+import org.onap.cps.ncmp.api.impl.yangmodels.YangModelCmHandle;
+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.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.DataValidationException;
-import org.onap.cps.spi.model.DataNode;
+import org.onap.cps.ncmp.api.models.DmiPluginRegistrationResponse;
+import org.onap.cps.ncmp.api.models.NcmpServiceCmHandle;
+import org.onap.cps.spi.exceptions.AlreadyDefinedException;
+import org.onap.cps.spi.exceptions.DataNodeNotFoundException;
+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;
 import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Service;
-import org.springframework.util.StringUtils;
-
 
 @Slf4j
 @Service
+@RequiredArgsConstructor
 public class NetworkCmProxyDataServiceImpl implements NetworkCmProxyDataService {
 
-    private static final String NF_PROXY_DATASPACE_NAME = "NFP-Operational";
+    private final CpsDataService cpsDataService;
 
-    private static final String NCMP_DATASPACE_NAME = "NCMP-Admin";
+    private final JsonObjectMapper jsonObjectMapper;
 
-    private static final String NCMP_DMI_REGISTRY_ANCHOR = "ncmp-dmi-registry";
+    private final DmiDataOperations dmiDataOperations;
 
-    private CpsDataService cpsDataService;
+    private final DmiModelOperations dmiModelOperations;
 
-    private ObjectMapper objectMapper;
+    private final CpsModuleService cpsModuleService;
 
-    private CpsQueryService cpsQueryService;
+    private final CpsAdminService cpsAdminService;
 
-    private DmiOperations dmiOperations;
+    private final NetworkCmProxyDataServicePropertyHandler networkCmProxyDataServicePropertyHandler;
 
-    /**
-     * Constructor Injection for Dependencies.
-     *
-     * @param dmiOperations   dmi operation
-     * @param cpsDataService  Data Service Interface
-     * @param cpsQueryService Query Service Interface
-     * @param objectMapper    Object Mapper
-     */
-    public NetworkCmProxyDataServiceImpl(final DmiOperations dmiOperations, final CpsDataService cpsDataService,
-        final CpsQueryService cpsQueryService, final ObjectMapper objectMapper) {
-        this.dmiOperations = dmiOperations;
-        this.cpsDataService = cpsDataService;
-        this.cpsQueryService = cpsQueryService;
-        this.objectMapper = objectMapper;
-    }
+    private final YangModelCmHandleRetriever yangModelCmHandleRetriever;
 
-    private String getDataspaceName() {
-        return NF_PROXY_DATASPACE_NAME;
-    }
+    // valid kafka topic name regex
+    private static final Pattern TOPIC_NAME_PATTERN = Pattern.compile("^[a-zA-Z0-9]([._-](?![._-])|"
+            + "[a-zA-Z0-9]){0,120}[a-zA-Z0-9]$");
+    private static final String NO_REQUEST_ID = null;
+    private static final String NO_TOPIC = null;
 
     @Override
-    public DataNode getDataNode(final String cmHandle, final String xpath,
-        final FetchDescendantsOption fetchDescendantsOption) {
-        return cpsDataService.getDataNode(getDataspaceName(), cmHandle, xpath, fetchDescendantsOption);
+    public DmiPluginRegistrationResponse updateDmiRegistrationAndSyncModule(
+        final DmiPluginRegistration dmiPluginRegistration) {
+        dmiPluginRegistration.validateDmiPluginRegistration();
+        final var dmiPluginRegistrationResponse = new DmiPluginRegistrationResponse();
+        dmiPluginRegistrationResponse.setRemovedCmHandles(
+            parseAndRemoveCmHandlesInDmiRegistration(dmiPluginRegistration.getRemovedCmHandles()));
+        if (!dmiPluginRegistration.getCreatedCmHandles().isEmpty()) {
+            dmiPluginRegistrationResponse.setCreatedCmHandles(
+                parseAndCreateCmHandlesInDmiRegistrationAndSyncModules(dmiPluginRegistration));
+        }
+        if (!dmiPluginRegistration.getUpdatedCmHandles().isEmpty()) {
+            dmiPluginRegistrationResponse.setUpdatedCmHandles(
+                networkCmProxyDataServicePropertyHandler
+                    .updateCmHandleProperties(dmiPluginRegistration.getUpdatedCmHandles()));
+        }
+        return dmiPluginRegistrationResponse;
     }
 
     @Override
-    public Collection<DataNode> queryDataNodes(final String cmHandle, final String cpsPath,
-        final FetchDescendantsOption fetchDescendantsOption) {
-        return cpsQueryService.queryDataNodes(getDataspaceName(), cmHandle, cpsPath, fetchDescendantsOption);
+    public Object getResourceDataOperationalForCmHandle(final String cmHandleId,
+                                                        final String resourceIdentifier,
+                                                        final String acceptParamInHeader,
+                                                        final String optionsParamInQuery,
+                                                        final String topicParamInQuery) {
+
+        return validateTopicNameAndGetResourceData(cmHandleId, resourceIdentifier, acceptParamInHeader,
+                DmiOperations.DataStoreEnum.PASSTHROUGH_OPERATIONAL, optionsParamInQuery, topicParamInQuery);
     }
 
     @Override
-    public void createDataNode(final String cmHandle, final String parentNodeXpath, final String jsonData) {
-        if (!StringUtils.hasText(parentNodeXpath) || "/".equals(parentNodeXpath)) {
-            cpsDataService.saveData(getDataspaceName(), cmHandle, jsonData);
-        } else {
-            cpsDataService.saveData(getDataspaceName(), cmHandle, parentNodeXpath, jsonData);
-        }
+    public Object getResourceDataPassThroughRunningForCmHandle(final String cmHandleId,
+                                                               final String resourceIdentifier,
+                                                               final String acceptParamInHeader,
+                                                               final String optionsParamInQuery,
+                                                               final String topicParamInQuery) {
+        return validateTopicNameAndGetResourceData(cmHandleId, resourceIdentifier, acceptParamInHeader,
+                DmiOperations.DataStoreEnum.PASSTHROUGH_RUNNING, optionsParamInQuery, topicParamInQuery);
     }
 
     @Override
-    public void addListNodeElements(final String cmHandle, final String parentNodeXpath, final String jsonData) {
-        cpsDataService.saveListNodeData(getDataspaceName(), cmHandle, parentNodeXpath, jsonData);
+    public Object writeResourceDataPassThroughRunningForCmHandle(final String cmHandleId,
+                                                               final String resourceIdentifier,
+                                                               final OperationEnum operation,
+                                                               final String requestData,
+                                                               final String dataType) {
+        return handleResponse(
+            dmiDataOperations.writeResourceDataPassThroughRunningFromDmi(
+                cmHandleId, resourceIdentifier, operation, requestData, dataType),
+            "Not able to " + operation + " resource data.");
     }
 
+
     @Override
-    public void updateNodeLeaves(final String cmHandle, final String parentNodeXpath, final String jsonData) {
-        cpsDataService.updateNodeLeaves(getDataspaceName(), cmHandle, parentNodeXpath, jsonData);
+    public Collection<ModuleReference> getYangResourcesModuleReferences(final String cmHandleId) {
+        return cpsModuleService.getYangResourcesModuleReferences(NFP_OPERATIONAL_DATASTORE_DATASPACE_NAME, cmHandleId);
     }
 
+    /**
+     * Retrieve cm handle identifiers for the given list of module names.
+     *
+     * @param moduleNames module names.
+     * @return a collection of anchor identifiers
+     */
     @Override
-    public void replaceNodeTree(final String cmHandle, final String parentNodeXpath, final String jsonData) {
-        cpsDataService.replaceNodeTree(getDataspaceName(), cmHandle, parentNodeXpath, jsonData);
+    public Collection<String> executeCmHandleHasAllModulesSearch(final Collection<String> moduleNames) {
+        return cpsAdminService.queryAnchorNames(NFP_OPERATIONAL_DATASTORE_DATASPACE_NAME, moduleNames);
     }
 
+    /**
+     * Retrieve cm handle details for a given cm handle.
+     *
+     * @param cmHandleId cm handle identifier
+     * @return cm handle details
+     */
     @Override
-    public void updateDmiPluginRegistration(final DmiPluginRegistration dmiPluginRegistration) {
-        if (dmiPluginRegistration.getCreatedCmHandles() != null) {
-            parseAndCreateCmHandlesInDmiRegistration(dmiPluginRegistration);
-        }
-        if (dmiPluginRegistration.getUpdatedCmHandles() != null) {
-            parseAndUpdateCmHandlesInDmiRegistration(dmiPluginRegistration);
-        }
+    public NcmpServiceCmHandle getNcmpServiceCmHandle(final String cmHandleId) {
+        final NcmpServiceCmHandle ncmpServiceCmHandle = new NcmpServiceCmHandle();
+        final YangModelCmHandle yangModelCmHandle =
+            yangModelCmHandleRetriever.getDmiServiceNamesAndProperties(cmHandleId);
+        final List<YangModelCmHandle.Property> dmiProperties = yangModelCmHandle.getDmiProperties();
+        final List<YangModelCmHandle.Property> publicProperties = yangModelCmHandle.getPublicProperties();
+        ncmpServiceCmHandle.setCmHandleID(yangModelCmHandle.getId());
+        setDmiProperties(dmiProperties, ncmpServiceCmHandle);
+        setPublicProperties(publicProperties, ncmpServiceCmHandle);
+        return ncmpServiceCmHandle;
     }
 
-    private void parseAndCreateCmHandlesInDmiRegistration(final DmiPluginRegistration dmiPluginRegistration) {
-        try {
-            final List<PersistenceCmHandle> createdPersistenceCmHandles =
-                new LinkedList<>();
-            for (final CmHandle cmHandle : dmiPluginRegistration.getCreatedCmHandles()) {
-                createdPersistenceCmHandles.add(toPersistenceCmHandle(dmiPluginRegistration, cmHandle));
-            }
-            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 setDmiProperties(final List<YangModelCmHandle.Property> dmiProperties,
+                                  final NcmpServiceCmHandle ncmpServiceCmHandle) {
+        final Map<String, String> dmiPropertiesMap = new LinkedHashMap<>(dmiProperties.size());
+        asPropertiesMap(dmiProperties, dmiPropertiesMap);
+        ncmpServiceCmHandle.setDmiProperties(dmiPropertiesMap);
     }
 
-    private void parseAndUpdateCmHandlesInDmiRegistration(final DmiPluginRegistration dmiPluginRegistration) {
-        try {
-            final List<PersistenceCmHandle> updatedPersistenceCmHandles =
-                new LinkedList<>();
-            for (final CmHandle cmHandle : dmiPluginRegistration.getUpdatedCmHandles()) {
-                updatedPersistenceCmHandles.add(toPersistenceCmHandle(dmiPluginRegistration, cmHandle));
-            }
-            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);
-        }
+    private void setPublicProperties(final List<YangModelCmHandle.Property> publicProperties,
+                                     final NcmpServiceCmHandle ncmpServiceCmHandle) {
+        final Map<String, String> publicPropertiesMap = new LinkedHashMap<>();
+        asPropertiesMap(publicProperties, publicPropertiesMap);
+        ncmpServiceCmHandle.setPublicProperties(publicPropertiesMap);
     }
 
-    @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,
-            cmHandle,
-            resourceIdentifier,
-            fieldsQueryParam,
-            depthQueryParam,
-            acceptParam,
-            jsonBody);
-        return handleResponse(response);
+    private void asPropertiesMap(final List<YangModelCmHandle.Property> properties,
+                                 final Map<String, String> propertiesMap) {
+        for (final YangModelCmHandle.Property property: properties) {
+            propertiesMap.put(property.getName(), property.getValue());
+        }
     }
 
-    @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,
-            cmHandle,
-            resourceIdentifier,
-            fields,
-            depth,
-            accept,
-            dmiRequesBody);
-        return handleResponse(response);
+    /**
+     * THis method registers a cm handle and initiates modules sync.
+     *
+     * @param dmiPluginRegistration dmi plugin registration information.
+     * @return cm-handle registration response for create cm-handle requests.
+     */
+    public List<CmHandleRegistrationResponse> parseAndCreateCmHandlesInDmiRegistrationAndSyncModules(
+        final DmiPluginRegistration dmiPluginRegistration) {
+        return dmiPluginRegistration.getCreatedCmHandles().stream()
+            .map(cmHandle ->
+                YangModelCmHandle.toYangModelCmHandle(
+                    dmiPluginRegistration.getDmiPlugin(),
+                    dmiPluginRegistration.getDmiDataPlugin(),
+                    dmiPluginRegistration.getDmiModelPlugin(), cmHandle)
+            )
+            .map(this::registerAndSyncNewCmHandle)
+            .collect(Collectors.toList());
     }
 
-    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;
+    private static Object handleResponse(final ResponseEntity<?> responseEntity,
+                                         final String exceptionMessage) {
+        if (responseEntity.getStatusCode().is2xxSuccessful()) {
+            return responseEntity.getBody();
+        } else {
+            throw new ServerNcmpException(exceptionMessage,
+                    "DMI status code: " + responseEntity.getStatusCodeValue()
+                            + ", DMI response body: " + responseEntity.getBody());
+        }
     }
 
-    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);
+    private CmHandleRegistrationResponse registerAndSyncNewCmHandle(final YangModelCmHandle yangModelCmHandle) {
         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());
+            final String cmHandleJsonData = String.format("{\"cm-handles\":[%s]}",
+                jsonObjectMapper.asJsonString(yangModelCmHandle));
+            cpsDataService.saveListElements(NCMP_DATASPACE_NAME, NCMP_DMI_REGISTRY_ANCHOR, NCMP_DMI_REGISTRY_PARENT,
+                cmHandleJsonData, NO_TIMESTAMP);
+            syncModulesAndCreateAnchor(yangModelCmHandle);
+            return CmHandleRegistrationResponse.createSuccessResponse(yangModelCmHandle.getId());
+        } catch (final AlreadyDefinedException alreadyDefinedException) {
+            return CmHandleRegistrationResponse.createFailureResponse(
+                yangModelCmHandle.getId(), RegistrationError.CM_HANDLE_ALREADY_EXIST);
+        } catch (final Exception exception) {
+            return CmHandleRegistrationResponse.createFailureResponse(yangModelCmHandle.getId(), exception);
         }
     }
 
-    private Map<String, String> getAdditionalPropertiesMap(final Collection<DataNode> additionalPropertyList) {
-        if (additionalPropertyList == null || additionalPropertyList.size() == 0) {
-            return null;
+    protected void syncModulesAndCreateAnchor(final YangModelCmHandle yangModelCmHandle) {
+        syncAndCreateSchemaSet(yangModelCmHandle);
+        createAnchor(yangModelCmHandle);
+    }
+
+    protected List<CmHandleRegistrationResponse> parseAndRemoveCmHandlesInDmiRegistration(
+        final List<String> tobeRemovedCmHandles) {
+        final List<CmHandleRegistrationResponse> cmHandleRegistrationResponses =
+            new ArrayList<>(tobeRemovedCmHandles.size());
+        for (final String cmHandle : tobeRemovedCmHandles) {
+            try {
+                deleteSchemaSetWithCascade(cmHandle);
+                cpsDataService.deleteListOrListElement(NCMP_DATASPACE_NAME, NCMP_DMI_REGISTRY_ANCHOR,
+                    "/dmi-registry/cm-handles[@id='" + cmHandle + "']", NO_TIMESTAMP);
+                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));
+            }
         }
-        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")));
+        return cmHandleRegistrationResponses;
+    }
+
+    private void deleteSchemaSetWithCascade(final String schemaSetName) {
+        try {
+            cpsModuleService.deleteSchemaSet(NFP_OPERATIONAL_DATASTORE_DATASPACE_NAME, schemaSetName,
+                CASCADE_DELETE_ALLOWED);
+        } catch (final SchemaSetNotFoundException schemaSetNotFoundException) {
+            log.warn("Schema set {} does not exist or already deleted", schemaSetName);
         }
-        return additionalPropertyMap;
     }
 
-    private Object handleResponse(final ResponseEntity<Object> responseEntity) {
-        if (responseEntity.getStatusCode() == HttpStatus.OK) {
-            return responseEntity.getBody();
+    private void syncAndCreateSchemaSet(final YangModelCmHandle yangModelCmHandle) {
+        final Collection<ModuleReference> moduleReferencesFromCmHandle =
+            dmiModelOperations.getModuleReferences(yangModelCmHandle);
+
+        final Collection<ModuleReference> identifiedNewModuleReferencesFromCmHandle = cpsModuleService
+            .identifyNewModuleReferences(moduleReferencesFromCmHandle);
+
+        final Collection<ModuleReference> existingModuleReferencesFromCmHandle =
+            moduleReferencesFromCmHandle.stream().filter(moduleReferenceFromCmHandle ->
+                !identifiedNewModuleReferencesFromCmHandle.contains(moduleReferenceFromCmHandle)
+            ).collect(Collectors.toList());
+
+        final Map<String, String> newModuleNameToContentMap;
+        if (identifiedNewModuleReferencesFromCmHandle.isEmpty()) {
+            newModuleNameToContentMap = new HashMap<>();
         } else {
-            throw new NcmpException("Not able to get resource data.",
-                "DMI status code: " + responseEntity.getStatusCodeValue()
-                    + ", DMI response body: " + responseEntity.getBody());
+            newModuleNameToContentMap = dmiModelOperations.getNewYangResourcesFromDmi(yangModelCmHandle,
+                identifiedNewModuleReferencesFromCmHandle);
         }
+        cpsModuleService
+            .createSchemaSetFromModules(NFP_OPERATIONAL_DATASTORE_DATASPACE_NAME, yangModelCmHandle.getId(),
+                newModuleNameToContentMap, existingModuleReferencesFromCmHandle);
     }
 
-    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 createAnchor(final YangModelCmHandle yangModelCmHandle) {
+        cpsAdminService.createAnchor(NFP_OPERATIONAL_DATASTORE_DATASPACE_NAME, yangModelCmHandle.getId(),
+            yangModelCmHandle.getId());
+    }
+
+    private static boolean hasTopicParameter(final String topicName) {
+        if (topicName == null) {
+            return false;
+        }
+        if (TOPIC_NAME_PATTERN.matcher(topicName).matches()) {
+            return true;
         }
-        return persistenceCmHandle;
+        throw new InvalidTopicException("Topic name " + topicName + " is invalid", "invalid topic");
+    }
+
+    private Map<String, Object> buildDmiResponse(final String requestId) {
+        final Map<String, Object> dmiResponseMap = new HashMap<>();
+        dmiResponseMap.put("requestId", requestId);
+        return dmiResponseMap;
     }
 
-}
+    private Object validateTopicNameAndGetResourceData(final String cmHandleId,
+                                                       final String resourceIdentifier,
+                                                       final String acceptParamInHeader,
+                                                       final DmiOperations.DataStoreEnum dataStore,
+                                                       final String optionsParamInQuery,
+                                                       final String topicParamInQuery) {
+        final boolean processAsynchronously = hasTopicParameter(topicParamInQuery);
+        if (processAsynchronously) {
+            final String resourceDataRequestId = UUID.randomUUID().toString();
+            return ResponseEntity.status(HttpStatus.OK)
+                    .body(buildDmiResponse(resourceDataRequestId));
+        }
+        final ResponseEntity<?> responseEntity = dmiDataOperations.getResourceDataFromDmi(
+                cmHandleId, resourceIdentifier, optionsParamInQuery, acceptParamInHeader,
+                dataStore, NO_REQUEST_ID, NO_TOPIC);
+        return handleResponse(responseEntity, "Not able to get resource data.");
+    }
+}
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