cps-ncmp-rest/src/main/java/org/onap/cps/ncmp/rest/controller/handlers/NcmpCachedResourceRequestHandler.java

   1 /*
   2  *  ============LICENSE_START=======================================================
   3  *  Copyright (C) 2022-2023 Nordix Foundation
   4  *  ================================================================================
   5  *  Licensed under the Apache License, Version 2.0 (the "License");
   6  *  you may not use this file except in compliance with the License.
   7  *  You may obtain a copy of the License at
   8  *
   9  *        http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  *  Unless required by applicable law or agreed to in writing, software
  12  *  distributed under the License is distributed on an "AS IS" BASIS,
  13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  *  See the License for the specific language governing permissions and
  15  *  limitations under the License.
  16  *
  17  *  SPDX-License-Identifier: Apache-2.0
  18  *  ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.cps.ncmp.rest.controller.handlers;
  22
  23 import java.util.function.Supplier;
  24 import org.onap.cps.ncmp.api.NetworkCmProxyDataService;
  25 import org.onap.cps.ncmp.api.NetworkCmProxyQueryService;
  26 import org.onap.cps.ncmp.rest.executor.CpsNcmpTaskExecutor;
  27 import org.onap.cps.spi.FetchDescendantsOption;
  28 import org.springframework.http.ResponseEntity;
  29 import org.springframework.stereotype.Component;
  30
  31 @Component
  32 public class NcmpCachedResourceRequestHandler extends NcmpDatastoreRequestHandler {
  33
  34     private final NetworkCmProxyDataService networkCmProxyDataService;
  35     private final NetworkCmProxyQueryService networkCmProxyQueryService;
  36
  37     /**
  38      * Constructor.
  39      *
  40      * @param cpsNcmpTaskExecutor        @see org.onap.cps.ncmp.rest.executor.CpsNcmpTaskExecutor
  41      * @param networkCmProxyDataService  @see org.onap.cps.ncmp.api.NetworkCmProxyDataService
  42      * @param networkCmProxyQueryService @see org.onap.cps.ncmp.api.NetworkCmProxyQueryService
  43      */
  44     public NcmpCachedResourceRequestHandler(final CpsNcmpTaskExecutor cpsNcmpTaskExecutor,
  45                                             final NetworkCmProxyDataService networkCmProxyDataService,
  46                                             final NetworkCmProxyQueryService networkCmProxyQueryService) {
  47         super(cpsNcmpTaskExecutor);
  48         this.networkCmProxyDataService = networkCmProxyDataService;
  49         this.networkCmProxyQueryService = networkCmProxyQueryService;
  50     }
  51
  52     /**
  53      * Executes a synchronous query request for given cm handle.
  54      * Note. Currently only ncmp-datastore:operational supports query operations.
  55      *
  56      * @param cmHandleId         the cm handle
  57      * @param resourceIdentifier the resource identifier
  58      * @param includeDescendants whether include descendants
  59      * @return the response entity
  60      */
  61     public ResponseEntity<Object> executeRequest(final String cmHandleId,
  62                                                  final String resourceIdentifier,
  63                                                  final boolean includeDescendants) {
  64
  65         final Supplier<Object> taskSupplier = getTaskSupplierForQueryRequest(cmHandleId, resourceIdentifier,
  66             includeDescendants);
  67         return executeTaskSync(taskSupplier);
  68     }
  69
  70     @Override
  71     protected Supplier<Object> getTaskSupplierForGetRequest(final String datastoreName,
  72                                                   final String cmHandleId,
  73                                                   final String resourceIdentifier,
  74                                                   final String optionsParamInQuery,
  75                                                   final String topicParamInQuery,
  76                                                   final String requestId,
  77                                                   final boolean includeDescendants) {
  78
  79         final FetchDescendantsOption fetchDescendantsOption = getFetchDescendantsOption(includeDescendants);
  80
  81         return () -> networkCmProxyDataService.getResourceDataForCmHandle(datastoreName, cmHandleId, resourceIdentifier,
  82             fetchDescendantsOption);
  83     }
  84
  85     private Supplier<Object> getTaskSupplierForQueryRequest(final String cmHandleId,
  86                                                             final String resourceIdentifier,
  87                                                             final boolean includeDescendants) {
  88
  89         final FetchDescendantsOption fetchDescendantsOption = getFetchDescendantsOption(includeDescendants);
  90
  91         return () -> networkCmProxyQueryService.queryResourceDataOperational(cmHandleId, resourceIdentifier,
  92             fetchDescendantsOption);
  93     }
  94
  95     private static FetchDescendantsOption getFetchDescendantsOption(final boolean includeDescendants) {
  96         return includeDescendants ? FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS
  97             : FetchDescendantsOption.OMIT_DESCENDANTS;
  98     }
  99
 100
 101 }