cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/inventory/sync/ModuleSyncService.java

   1 /*
   2  *  ============LICENSE_START=======================================================
   3  *  Copyright (C) 2022 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.api.inventory.sync;
  22
  23 import static org.onap.cps.ncmp.api.impl.constants.DmiRegistryConstants.NFP_OPERATIONAL_DATASTORE_DATASPACE_NAME;
  24
  25 import java.util.Collection;
  26 import java.util.HashMap;
  27 import java.util.Map;
  28 import java.util.stream.Collectors;
  29 import lombok.RequiredArgsConstructor;
  30 import lombok.extern.slf4j.Slf4j;
  31 import org.onap.cps.api.CpsAdminService;
  32 import org.onap.cps.api.CpsModuleService;
  33 import org.onap.cps.ncmp.api.impl.operations.DmiModelOperations;
  34 import org.onap.cps.ncmp.api.impl.yangmodels.YangModelCmHandle;
  35 import org.onap.cps.spi.CascadeDeleteAllowed;
  36 import org.onap.cps.spi.exceptions.SchemaSetNotFoundException;
  37 import org.onap.cps.spi.model.ModuleReference;
  38 import org.springframework.stereotype.Service;
  39
  40 @Slf4j
  41 @Service
  42 @RequiredArgsConstructor
  43 public class ModuleSyncService {
  44
  45     private final DmiModelOperations dmiModelOperations;
  46     private final CpsModuleService cpsModuleService;
  47
  48     private final CpsAdminService cpsAdminService;
  49
  50     /**
  51      * This method registers a cm handle and initiates modules sync.
  52      *
  53      * @param yangModelCmHandle the yang model of cm handle.
  54      */
  55     public void syncAndCreateSchemaSetAndAnchor(final YangModelCmHandle yangModelCmHandle) {
  56
  57         final Collection<ModuleReference> moduleReferencesFromCmHandle =
  58                 dmiModelOperations.getModuleReferences(yangModelCmHandle);
  59
  60         final Collection<ModuleReference> identifiedNewModuleReferencesFromCmHandle = cpsModuleService
  61                 .identifyNewModuleReferences(moduleReferencesFromCmHandle);
  62
  63         final Collection<ModuleReference> existingModuleReferencesFromCmHandle =
  64                 moduleReferencesFromCmHandle.stream().filter(moduleReferenceFromCmHandle ->
  65                         !identifiedNewModuleReferencesFromCmHandle.contains(moduleReferenceFromCmHandle)
  66                 ).collect(Collectors.toList());
  67
  68         final Map<String, String> newModuleNameToContentMap;
  69         if (identifiedNewModuleReferencesFromCmHandle.isEmpty()) {
  70             newModuleNameToContentMap = new HashMap<>();
  71         } else {
  72             newModuleNameToContentMap = dmiModelOperations.getNewYangResourcesFromDmi(yangModelCmHandle,
  73                     identifiedNewModuleReferencesFromCmHandle);
  74         }
  75         createSchemaSetAndAnchor(yangModelCmHandle, newModuleNameToContentMap, existingModuleReferencesFromCmHandle);
  76     }
  77
  78     private void createSchemaSetAndAnchor(final YangModelCmHandle yangModelCmHandle,
  79                                           final Map<String, String> newModuleNameToContentMap,
  80                                           final Collection<ModuleReference> existingModuleReferencesFromCmHandle) {
  81         final String schemaSetAndAnchorName = yangModelCmHandle.getId();
  82         cpsModuleService.createSchemaSetFromModules(NFP_OPERATIONAL_DATASTORE_DATASPACE_NAME, schemaSetAndAnchorName,
  83                         newModuleNameToContentMap, existingModuleReferencesFromCmHandle);
  84         cpsAdminService.createAnchor(NFP_OPERATIONAL_DATASTORE_DATASPACE_NAME, schemaSetAndAnchorName,
  85             schemaSetAndAnchorName);
  86     }
  87
  88     /**
  89      * Deletes the SchemaSet for provided cmHandle if the SchemaSet Exists.
  90      *
  91      * @param yangModelCmHandle the yang model of cm handle.
  92      */
  93     public void deleteSchemaSetIfExists(final YangModelCmHandle yangModelCmHandle) {
  94         final String schemaSetAndAnchorName = yangModelCmHandle.getId();
  95         try {
  96             cpsModuleService.deleteSchemaSet(NFP_OPERATIONAL_DATASTORE_DATASPACE_NAME, schemaSetAndAnchorName,
  97                 CascadeDeleteAllowed.CASCADE_DELETE_ALLOWED);
  98             log.debug("SchemaSet for {} has been deleted. Ready to be recreated.", schemaSetAndAnchorName);
  99         } catch (final SchemaSetNotFoundException e) {
 100             log.debug("No SchemaSet for {}. Assuming CmHandle has not been previously Module Synced.",
 101                 schemaSetAndAnchorName);
 102         }
 103     }
 104
 105 }