Add bearer token to NCMP passthrough operations (CPS-2126 #2)
[cps.git] / cps-ncmp-rest / src / main / java / org / onap / cps / ncmp / rest / controller / NetworkCmProxyController.java
index ccb1e9b..1c6aaf2 100755 (executable)
@@ -1,7 +1,7 @@
 /*
  *  ============LICENSE_START=======================================================
  *  Copyright (C) 2021 Pantheon.tech
- *  Modifications Copyright (C) 2021-2022 Nordix Foundation
+ *  Modifications Copyright (C) 2021-2024 Nordix Foundation
  *  Modifications Copyright (C) 2021 highstreet technologies GmbH
  *  Modifications Copyright (C) 2021-2022 Bell Canada
  *  ================================================================================
 
 package org.onap.cps.ncmp.rest.controller;
 
-import static org.onap.cps.ncmp.api.impl.operations.DmiRequestBody.OperationEnum.CREATE;
-import static org.onap.cps.ncmp.api.impl.operations.DmiRequestBody.OperationEnum.DELETE;
-import static org.onap.cps.ncmp.api.impl.operations.DmiRequestBody.OperationEnum.PATCH;
-import static org.onap.cps.ncmp.api.impl.operations.DmiRequestBody.OperationEnum.UPDATE;
+import static org.onap.cps.ncmp.api.impl.operations.DatastoreType.OPERATIONAL;
+import static org.onap.cps.ncmp.api.impl.operations.DatastoreType.PASSTHROUGH_RUNNING;
+import static org.onap.cps.ncmp.api.impl.operations.OperationType.CREATE;
+import static org.onap.cps.ncmp.api.impl.operations.OperationType.DELETE;
+import static org.onap.cps.ncmp.api.impl.operations.OperationType.PATCH;
+import static org.onap.cps.ncmp.api.impl.operations.OperationType.UPDATE;
 
-import java.util.HashMap;
+import io.micrometer.core.annotation.Timed;
+import java.util.ArrayList;
+import java.util.Collection;
 import java.util.List;
 import java.util.Map;
-import java.util.Set;
-import java.util.UUID;
 import java.util.stream.Collectors;
-import javax.validation.Valid;
-import javax.validation.constraints.NotNull;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.onap.cps.ncmp.api.NetworkCmProxyDataService;
-import org.onap.cps.ncmp.api.impl.exception.InvalidTopicException;
+import org.onap.cps.ncmp.api.impl.exception.InvalidDatastoreException;
+import org.onap.cps.ncmp.api.impl.inventory.CompositeState;
+import org.onap.cps.ncmp.api.impl.operations.DatastoreType;
+import org.onap.cps.ncmp.api.impl.trustlevel.TrustLevel;
 import org.onap.cps.ncmp.api.models.CmHandleQueryApiParameters;
 import org.onap.cps.ncmp.api.models.NcmpServiceCmHandle;
 import org.onap.cps.ncmp.rest.api.NetworkCmProxyApi;
-import org.onap.cps.ncmp.rest.executor.CpsNcmpTaskExecutor;
-import org.onap.cps.ncmp.rest.mapper.RestOutputCmHandleStateMapper;
+import org.onap.cps.ncmp.rest.controller.handlers.NcmpCachedResourceRequestHandler;
+import org.onap.cps.ncmp.rest.controller.handlers.NcmpDatastoreRequestHandler;
+import org.onap.cps.ncmp.rest.controller.handlers.NcmpPassthroughResourceRequestHandler;
+import org.onap.cps.ncmp.rest.mapper.CmHandleStateMapper;
+import org.onap.cps.ncmp.rest.mapper.DataOperationRequestMapper;
 import org.onap.cps.ncmp.rest.model.CmHandlePublicProperties;
 import org.onap.cps.ncmp.rest.model.CmHandleQueryParameters;
+import org.onap.cps.ncmp.rest.model.DataOperationRequest;
+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.util.DeprecationHelper;
-import org.onap.cps.utils.CpsValidator;
+import org.onap.cps.spi.model.ModuleDefinition;
 import org.onap.cps.utils.JsonObjectMapper;
-import org.springframework.beans.factory.annotation.Value;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
+import org.springframework.util.StringUtils;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
@@ -66,141 +75,174 @@ import org.springframework.web.bind.annotation.RestController;
 public class NetworkCmProxyController implements NetworkCmProxyApi {
 
     private static final String NO_BODY = null;
-    private static final String NO_REQUEST_ID = null;
-    private static final String NO_TOPIC = null;
     private final NetworkCmProxyDataService networkCmProxyDataService;
     private final JsonObjectMapper jsonObjectMapper;
-
     private final DeprecationHelper deprecationHelper;
     private final NcmpRestInputMapper ncmpRestInputMapper;
-    private final RestOutputCmHandleStateMapper restOutputCmHandleStateMapper;
-    private final CpsNcmpTaskExecutor cpsNcmpTaskExecutor;
-
-    @Value("${notification.async.executor.time-out-value-in-ms:2000}")
-    private int timeOutInMilliSeconds;
+    private final CmHandleStateMapper cmHandleStateMapper;
+    private final NcmpCachedResourceRequestHandler ncmpCachedResourceRequestHandler;
+    private final NcmpPassthroughResourceRequestHandler ncmpPassthroughResourceRequestHandler;
+    private final DataOperationRequestMapper dataOperationRequestMapper;
+    private final Map<String, TrustLevel> trustLevelPerCmHandle;
 
     /**
-     * Get resource data from operational datastore.
+     * Get resource data from datastore.
      *
-     * @param cmHandle cm handle identifier
-     * @param resourceIdentifier resource identifier
-     * @param optionsParamInQuery options query parameter
-     * @param topicParamInQuery topic query parameter
+     * @param datastoreName        name of the datastore
+     * @param cmHandle             cm handle identifier
+     * @param resourceIdentifier   resource identifier
+     * @param optionsParamInQuery  options query parameter
+     * @param topicParamInQuery    topic query parameter
+     * @param includeDescendants   whether to include descendants or not
+     * @param authorization        contents of Authorization header, or null if not present
      * @return {@code ResponseEntity} response from dmi plugin
      */
     @Override
-    public ResponseEntity<Object> getResourceDataOperationalForCmHandle(final String cmHandle,
-                                                                        final @NotNull @Valid String resourceIdentifier,
-                                                                        final @Valid String optionsParamInQuery,
-                                                                        final @Valid String topicParamInQuery) {
-        if (isValidTopic(topicParamInQuery)) {
-            final String requestId = UUID.randomUUID().toString();
-            cpsNcmpTaskExecutor.executeTask(() ->
-                networkCmProxyDataService.getResourceDataOperationalForCmHandle(
-                    cmHandle, resourceIdentifier, optionsParamInQuery, topicParamInQuery,
-                        requestId
-                ), timeOutInMilliSeconds
-            );
-            return acknowledgeAsyncRequest(requestId);
-        }
+    @Timed(value = "cps.ncmp.controller.get", description = "Time taken to get resource data from datastore")
+    public ResponseEntity<Object> getResourceDataForCmHandle(final String datastoreName,
+                                                             final String cmHandle,
+                                                             final String resourceIdentifier,
+                                                             final String optionsParamInQuery,
+                                                             final String topicParamInQuery,
+                                                             final Boolean includeDescendants,
+                                                             final String authorization) {
+        final NcmpDatastoreRequestHandler ncmpDatastoreRequestHandler = getNcmpDatastoreRequestHandler(datastoreName);
+        return ncmpDatastoreRequestHandler.executeRequest(datastoreName, cmHandle, resourceIdentifier,
+                optionsParamInQuery, topicParamInQuery, includeDescendants, authorization);
+    }
 
-        final Object responseObject = networkCmProxyDataService.getResourceDataOperationalForCmHandle(
-            cmHandle, resourceIdentifier, optionsParamInQuery, NO_TOPIC, NO_REQUEST_ID);
+    @Override
+    public ResponseEntity<Object> executeDataOperationForCmHandles(final String topicParamInQuery,
+                                                                   final DataOperationRequest dataOperationRequest,
+                                                                   final String authorization) {
+        return ncmpPassthroughResourceRequestHandler.executeRequest(topicParamInQuery,
+                dataOperationRequestMapper.toDataOperationRequest(dataOperationRequest));
+    }
 
-        return ResponseEntity.ok(responseObject);
+    /**
+     * Query resource data from datastore.
+     *
+     * @param datastoreName        name of the datastore
+     * @param cmHandle             cm handle identifier
+     * @param cpsPath              CPS Path
+     * @param optionsParamInQuery  options query parameter
+     * @param topicParamInQuery    topic query parameter
+     * @param includeDescendants   whether to include descendants or not
+     * @return {@code ResponseEntity} response from dmi plugin
+     */
+
+    @Override
+    public ResponseEntity<Object> queryResourceDataForCmHandle(final String datastoreName,
+                                                               final String cmHandle,
+                                                               final String cpsPath,
+                                                               final String optionsParamInQuery,
+                                                               final String topicParamInQuery,
+                                                               final Boolean includeDescendants) {
+        validateDataStore(OPERATIONAL, datastoreName);
+        return ncmpCachedResourceRequestHandler.executeRequest(cmHandle, cpsPath, includeDescendants);
     }
 
     /**
-     * Get resource data from pass-through running datastore.
+     * Patch resource data from passthrough-running.
      *
-     * @param cmHandle cm handle identifier
+     * @param datastoreName      name of the datastore
+     * @param cmHandle           cm handle identifier
      * @param resourceIdentifier resource identifier
-     * @param optionsParamInQuery options query parameter
-     * @param topicParamInQuery topic query parameter
+     * @param requestBody        the request body
+     * @param contentType        content type of body
+     * @param authorization      contents of Authorization header, or null if not present
      * @return {@code ResponseEntity} response from dmi plugin
      */
-    @Override
-    public ResponseEntity<Object> getResourceDataRunningForCmHandle(final String cmHandle,
-                                                                    final @NotNull @Valid String resourceIdentifier,
-                                                                    final @Valid String optionsParamInQuery,
-                                                                    final @Valid String topicParamInQuery) {
-        if (isValidTopic(topicParamInQuery)) {
-            final String resourceDataRequestId = UUID.randomUUID().toString();
-            cpsNcmpTaskExecutor.executeTask(() ->
-                networkCmProxyDataService.getResourceDataPassThroughRunningForCmHandle(
-                    cmHandle, resourceIdentifier, optionsParamInQuery, topicParamInQuery,
-                        resourceDataRequestId
-                ), timeOutInMilliSeconds
-            );
-            return acknowledgeAsyncRequest(resourceDataRequestId);
-        }
 
-        final Object responseObject = networkCmProxyDataService.getResourceDataPassThroughRunningForCmHandle(
-            cmHandle, resourceIdentifier, optionsParamInQuery, NO_TOPIC, NO_REQUEST_ID);
+    @Override
+    public ResponseEntity<Object> patchResourceDataRunningForCmHandle(final String datastoreName,
+                                                                      final String cmHandle,
+                                                                      final String resourceIdentifier,
+                                                                      final Object requestBody,
+                                                                      final String contentType,
+                                                                      final String authorization) {
 
-        return ResponseEntity.ok(responseObject);
-    }
+        validateDataStore(PASSTHROUGH_RUNNING, datastoreName);
 
-    @Override
-    public ResponseEntity<Object> patchResourceDataRunningForCmHandle(final String resourceIdentifier,
-        final String cmHandle,
-        final Object requestBody, final String contentType) {
-        final Object responseObject = networkCmProxyDataService.writeResourceDataPassThroughRunningForCmHandle(cmHandle,
-            resourceIdentifier, PATCH, jsonObjectMapper.asJsonString(requestBody), contentType);
+        final Object responseObject = networkCmProxyDataService
+                .writeResourceDataPassThroughRunningForCmHandle(
+                        cmHandle, resourceIdentifier, PATCH,
+                        jsonObjectMapper.asJsonString(requestBody), contentType, authorization);
         return ResponseEntity.ok(responseObject);
     }
 
     /**
      * Create resource data in datastore pass-through running for given cm-handle.
      *
+     * @param datastoreName      name of the datastore
+     * @param cmHandle           cm handle identifier
      * @param resourceIdentifier resource identifier
-     * @param cmHandle cm handle identifier
-     * @param requestBody the request body
-     * @param contentType content type of body
+     * @param requestBody        the request body
+     * @param contentType        content type of body
+     * @param authorization      contents of Authorization header, or null if not present
      * @return {@code ResponseEntity} response from dmi plugin
      */
     @Override
-    public ResponseEntity<Void> createResourceDataRunningForCmHandle(final String resourceIdentifier,
-        final String cmHandle, final Object requestBody, final String contentType) {
+    public ResponseEntity<Void> createResourceDataRunningForCmHandle(final String datastoreName,
+                                                                     final String cmHandle,
+                                                                     final String resourceIdentifier,
+                                                                     final Object requestBody,
+                                                                     final String contentType,
+                                                                     final String authorization) {
+        validateDataStore(PASSTHROUGH_RUNNING, datastoreName);
+
         networkCmProxyDataService.writeResourceDataPassThroughRunningForCmHandle(cmHandle,
-                resourceIdentifier, CREATE, jsonObjectMapper.asJsonString(requestBody), contentType);
+                resourceIdentifier, CREATE, jsonObjectMapper.asJsonString(requestBody), contentType, authorization);
         return new ResponseEntity<>(HttpStatus.CREATED);
     }
 
     /**
      * Update resource data in datastore pass-through running for given cm-handle.
      *
+     * @param datastoreName      name of the datastore
+     * @param cmHandle           cm handle identifier
      * @param resourceIdentifier resource identifier
-     * @param cmHandle cm handle identifier
-     * @param requestBody the request body
-     * @param contentType content type of the body
+     * @param requestBody        the request body
+     * @param contentType        content type of the body
+     * @param authorization      contents of Authorization header, or null if not present
      * @return response entity
      */
+
     @Override
-    public ResponseEntity<Object> updateResourceDataRunningForCmHandle(final String resourceIdentifier,
+    public ResponseEntity<Object> updateResourceDataRunningForCmHandle(final String datastoreName,
                                                                        final String cmHandle,
+                                                                       final String resourceIdentifier,
                                                                        final Object requestBody,
-                                                                       final String contentType) {
+                                                                       final String contentType,
+                                                                       final String authorization) {
+        validateDataStore(PASSTHROUGH_RUNNING, datastoreName);
+
         networkCmProxyDataService.writeResourceDataPassThroughRunningForCmHandle(cmHandle,
-                resourceIdentifier, UPDATE, jsonObjectMapper.asJsonString(requestBody), contentType);
+                resourceIdentifier, UPDATE, jsonObjectMapper.asJsonString(requestBody), contentType, authorization);
         return new ResponseEntity<>(HttpStatus.OK);
     }
 
-
     /**
-     *  Delete resource data in datastore pass-through running for a given cm-handle.
+     * Delete resource data in datastore pass-through running for a given cm-handle.
      *
+     * @param datastoreName      name of the datastore
+     * @param cmHandle           cm handle identifier
      * @param resourceIdentifier resource identifier
-     * @param cmHandle cm handle identifier
-     * @param contentType content type of the body
+     * @param contentType        content type of the body
+     * @param authorization      contents of Authorization header, or null if not present
      * @return response entity no content if request is successful
      */
     @Override
-    public ResponseEntity<Void> deleteResourceDataRunningForCmHandle(final String cmHandle,
+    public ResponseEntity<Void> deleteResourceDataRunningForCmHandle(final String datastoreName,
+                                                                     final String cmHandle,
                                                                      final String resourceIdentifier,
-                                                                     final String contentType) {
+                                                                     final String contentType,
+                                                                     final String authorization) {
+
+        validateDataStore(PASSTHROUGH_RUNNING, datastoreName);
+
         networkCmProxyDataService.writeResourceDataPassThroughRunningForCmHandle(cmHandle,
-            resourceIdentifier, DELETE, NO_BODY, contentType);
+                resourceIdentifier, DELETE, NO_BODY, contentType, authorization);
         return new ResponseEntity<>(HttpStatus.NO_CONTENT);
     }
 
@@ -211,11 +253,12 @@ public class NetworkCmProxyController implements NetworkCmProxyApi {
      * @return collection of cm handles
      */
     @Override
+    @SuppressWarnings("deprecation") // mapOldConditionProperties method will be removed in Release 12
     public ResponseEntity<List<RestOutputCmHandle>> searchCmHandles(
             final CmHandleQueryParameters cmHandleQueryParameters) {
         final CmHandleQueryApiParameters cmHandleQueryApiParameters =
                 deprecationHelper.mapOldConditionProperties(cmHandleQueryParameters);
-        final Set<NcmpServiceCmHandle> cmHandles = networkCmProxyDataService
+        final Collection<NcmpServiceCmHandle> cmHandles = networkCmProxyDataService
                 .executeCmHandleSearch(cmHandleQueryApiParameters);
         final List<RestOutputCmHandle> outputCmHandles =
                 cmHandles.stream().map(this::toRestOutputCmHandle).collect(Collectors.toList());
@@ -230,15 +273,17 @@ public class NetworkCmProxyController implements NetworkCmProxyApi {
      */
     @Override
     public ResponseEntity<List<String>> searchCmHandleIds(
-        final CmHandleQueryParameters cmHandleQueryParameters) {
+            final CmHandleQueryParameters cmHandleQueryParameters) {
         final CmHandleQueryApiParameters cmHandleQueryApiParameters =
                 jsonObjectMapper.convertToValueType(cmHandleQueryParameters, CmHandleQueryApiParameters.class);
-        final Set<String> cmHandleIds = networkCmProxyDataService.executeCmHandleIdSearch(cmHandleQueryApiParameters);
+        final Collection<String> cmHandleIds
+            = networkCmProxyDataService.executeCmHandleIdSearch(cmHandleQueryApiParameters);
         return ResponseEntity.ok(List.copyOf(cmHandleIds));
     }
 
     /**
      * Search for Cm Handle and Properties by Name.
+     *
      * @param cmHandleId cm-handle identifier
      * @return cm handle and its properties
      */
@@ -251,20 +296,67 @@ public class NetworkCmProxyController implements NetworkCmProxyApi {
 
     /**
      * Get Cm Handle Properties by Cm Handle Id.
+     *
      * @param cmHandleId cm-handle identifier
-     * @return cm handle and its properties
+     * @return cm handle properties
      */
     @Override
     public ResponseEntity<RestOutputCmHandlePublicProperties> getCmHandlePublicPropertiesByCmHandleId(
-        final String cmHandleId) {
+            final String cmHandleId) {
         final CmHandlePublicProperties cmHandlePublicProperties = new CmHandlePublicProperties();
         cmHandlePublicProperties.add(networkCmProxyDataService.getCmHandlePublicProperties(cmHandleId));
         final RestOutputCmHandlePublicProperties restOutputCmHandlePublicProperties =
-            new RestOutputCmHandlePublicProperties();
+                new RestOutputCmHandlePublicProperties();
         restOutputCmHandlePublicProperties.setPublicCmHandleProperties(cmHandlePublicProperties);
         return ResponseEntity.ok(restOutputCmHandlePublicProperties);
     }
 
+    /**
+     * Get Cm Handle State by Cm Handle Id.
+     *
+     * @param cmHandleId cm-handle identifier
+     * @return cm handle state
+     */
+    @Override
+    public ResponseEntity<RestOutputCmHandleCompositeState> getCmHandleStateByCmHandleId(
+            final String cmHandleId) {
+        final CompositeState cmHandleState = networkCmProxyDataService.getCmHandleCompositeState(cmHandleId);
+        final RestOutputCmHandleCompositeState restOutputCmHandleCompositeState =
+                new RestOutputCmHandleCompositeState();
+        restOutputCmHandleCompositeState.setState(
+                cmHandleStateMapper.toCmHandleCompositeStateExternalLockReason(cmHandleState));
+        return ResponseEntity.ok(restOutputCmHandleCompositeState);
+    }
+
+    /**
+     * Return module definitions.
+     *
+     * @param cmHandleId    cm-handle identifier
+     * @param moduleName    module name
+     * @param revision      the revision of the module
+     * @return list of module definitions (module name, revision, yang resource content)
+     */
+    @Override
+    public ResponseEntity<List<RestModuleDefinition>> getModuleDefinitions(final String cmHandleId,
+                                                                           final String moduleName,
+                                                                           final String revision) {
+        final Collection<ModuleDefinition> moduleDefinitions;
+        if (StringUtils.hasText(moduleName)) {
+            moduleDefinitions =
+                networkCmProxyDataService.getModuleDefinitionsByCmHandleAndModule(cmHandleId, moduleName, revision);
+        } else {
+            moduleDefinitions = networkCmProxyDataService.getModuleDefinitionsByCmHandleId(cmHandleId);
+            if (StringUtils.hasText(revision)) {
+                log.warn("Ignoring revision filter as no module name is provided");
+            }
+        }
+        final List<RestModuleDefinition> response = new ArrayList<>();
+        for (final ModuleDefinition moduleDefinition: moduleDefinitions) {
+            response.add(ncmpRestInputMapper.toRestModuleDefinition(moduleDefinition));
+        }
+        return new ResponseEntity<>(response, HttpStatus.OK);
+    }
+
     /**
      * Return module references for a cm handle.
      *
@@ -273,38 +365,57 @@ public class NetworkCmProxyController implements NetworkCmProxyApi {
      */
     public ResponseEntity<List<RestModuleReference>> getModuleReferencesByCmHandle(final String cmHandle) {
         final List<RestModuleReference> restModuleReferences =
-            networkCmProxyDataService.getYangResourcesModuleReferences(cmHandle).stream()
-            .map(ncmpRestInputMapper::toRestModuleReference)
-                .collect(Collectors.toList());
+                networkCmProxyDataService.getYangResourcesModuleReferences(cmHandle).stream()
+                        .map(ncmpRestInputMapper::toRestModuleReference)
+                        .collect(Collectors.toList());
         return new ResponseEntity<>(restModuleReferences, HttpStatus.OK);
     }
 
+    /**
+     * Set the data sync enabled flag, along with the data sync state for the specified cm handle.
+     *
+     * @param cmHandleId          cm handle id
+     * @param dataSyncEnabledFlag data sync enabled flag
+     * @return response entity ok if request is successful
+     */
+    @Override
+    public ResponseEntity<Object> setDataSyncEnabledFlagForCmHandle(final String cmHandleId,
+                                                                    final Boolean dataSyncEnabledFlag) {
+        networkCmProxyDataService.setDataSyncEnabled(cmHandleId, dataSyncEnabledFlag);
+        return new ResponseEntity<>(HttpStatus.OK);
+    }
+
+
     private RestOutputCmHandle toRestOutputCmHandle(final NcmpServiceCmHandle ncmpServiceCmHandle) {
         final RestOutputCmHandle restOutputCmHandle = new RestOutputCmHandle();
         final CmHandlePublicProperties cmHandlePublicProperties = new CmHandlePublicProperties();
+        final TrustLevel cmHandleCurrentTrustLevel = trustLevelPerCmHandle.get(ncmpServiceCmHandle.getCmHandleId());
         restOutputCmHandle.setCmHandle(ncmpServiceCmHandle.getCmHandleId());
         cmHandlePublicProperties.add(ncmpServiceCmHandle.getPublicProperties());
         restOutputCmHandle.setPublicCmHandleProperties(cmHandlePublicProperties);
-        restOutputCmHandle.setState(restOutputCmHandleStateMapper.toRestOutputCmHandleState(
+        restOutputCmHandle.setState(cmHandleStateMapper.toCmHandleCompositeStateExternalLockReason(
                 ncmpServiceCmHandle.getCompositeState()));
+        if (cmHandleCurrentTrustLevel != null) {
+            restOutputCmHandle.setTrustLevel(cmHandleCurrentTrustLevel.toString());
+        }
         return restOutputCmHandle;
     }
 
-    private static boolean isValidTopic(final String topicName) {
-        if (topicName == null) {
-            return false;
-        }
-        if (CpsValidator.validateTopicName(topicName)) {
-            return true;
+    private void validateDataStore(final DatastoreType acceptableDataStoreType, final String requestedDatastoreName) {
+        final DatastoreType datastoreType = DatastoreType.fromDatastoreName(requestedDatastoreName);
+
+        if (acceptableDataStoreType != datastoreType) {
+            throw new InvalidDatastoreException(requestedDatastoreName + " is not supported");
         }
-        throw new InvalidTopicException("Topic name " + topicName + " is invalid", "invalid topic");
     }
 
-    private ResponseEntity<Object> acknowledgeAsyncRequest(final String requestId) {
-        final Map<String, Object> acknowledgeData = new HashMap<>(1);
-        acknowledgeData.put("requestId", requestId);
-        return ResponseEntity.ok(acknowledgeData);
+    private NcmpDatastoreRequestHandler getNcmpDatastoreRequestHandler(final String datastoreName) {
+        if (OPERATIONAL.equals(DatastoreType.fromDatastoreName(datastoreName))) {
+            return ncmpCachedResourceRequestHandler;
+        }
+        return ncmpPassthroughResourceRequestHandler;
     }
 
+
 }