cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/event/lcm/LcmEventsCmHandleStateHandlerImpl.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.impl.event.lcm;
  22
  23 import static org.onap.cps.ncmp.api.inventory.CmHandleState.ADVISED;
  24 import static org.onap.cps.ncmp.api.inventory.CmHandleState.DELETED;
  25 import static org.onap.cps.ncmp.api.inventory.CmHandleState.LOCKED;
  26 import static org.onap.cps.ncmp.api.inventory.CmHandleState.READY;
  27
  28 import lombok.RequiredArgsConstructor;
  29 import lombok.extern.slf4j.Slf4j;
  30 import org.onap.cps.ncmp.api.impl.utils.YangDataConverter;
  31 import org.onap.cps.ncmp.api.impl.yangmodels.YangModelCmHandle;
  32 import org.onap.cps.ncmp.api.inventory.CmHandleState;
  33 import org.onap.cps.ncmp.api.inventory.CompositeState;
  34 import org.onap.cps.ncmp.api.inventory.CompositeStateUtils;
  35 import org.onap.cps.ncmp.api.inventory.InventoryPersistence;
  36 import org.onap.cps.ncmp.api.models.NcmpServiceCmHandle;
  37 import org.onap.ncmp.cmhandle.event.lcm.LcmEvent;
  38 import org.springframework.stereotype.Service;
  39
  40 @Slf4j
  41 @Service
  42 @RequiredArgsConstructor
  43 public class LcmEventsCmHandleStateHandlerImpl implements LcmEventsCmHandleStateHandler {
  44
  45     private final InventoryPersistence inventoryPersistence;
  46     private final LcmEventsCreator lcmEventsCreator;
  47     private final LcmEventsService lcmEventsService;
  48
  49     @Override
  50     public void updateCmHandleState(final YangModelCmHandle yangModelCmHandle,
  51             final CmHandleState targetCmHandleState) {
  52
  53         final CompositeState compositeState = yangModelCmHandle.getCompositeState();
  54
  55         if (compositeState != null && compositeState.getCmHandleState() == targetCmHandleState) {
  56             log.debug("CmHandle with id : {} already in state : {}", yangModelCmHandle.getId(), targetCmHandleState);
  57         } else {
  58             final NcmpServiceCmHandle existingNcmpServiceCmHandle =
  59                     new NcmpServiceCmHandle(toNcmpServiceCmHandle(yangModelCmHandle));
  60             updateToSpecifiedCmHandleState(yangModelCmHandle, targetCmHandleState);
  61             final NcmpServiceCmHandle targetNcmpServiceCmHandle = toNcmpServiceCmHandle(yangModelCmHandle);
  62             publishLcmEvent(targetNcmpServiceCmHandle, existingNcmpServiceCmHandle);
  63         }
  64
  65     }
  66
  67     private void updateToSpecifiedCmHandleState(final YangModelCmHandle yangModelCmHandle,
  68             final CmHandleState targetCmHandleState) {
  69
  70         if (READY == targetCmHandleState) {
  71             CompositeStateUtils.setCompositeStateToReadyWithInitialDataStoreSyncState()
  72                     .accept(yangModelCmHandle.getCompositeState());
  73             inventoryPersistence.saveCmHandleState(yangModelCmHandle.getId(), yangModelCmHandle.getCompositeState());
  74         } else if (ADVISED == targetCmHandleState) {
  75             if (yangModelCmHandle.getCompositeState() == null) {
  76                 registerNewCmHandle(yangModelCmHandle);
  77             } else if (yangModelCmHandle.getCompositeState().getCmHandleState() == LOCKED) {
  78                 retryCmHandle(yangModelCmHandle);
  79             }
  80         } else if (DELETED == targetCmHandleState) {
  81             setCmHandleState(yangModelCmHandle, targetCmHandleState);
  82         } else {
  83             updateAndSaveCmHandleState(yangModelCmHandle, targetCmHandleState);
  84         }
  85     }
  86
  87     private void retryCmHandle(final YangModelCmHandle yangModelCmHandle) {
  88         CompositeStateUtils.setCompositeStateForRetry().accept(yangModelCmHandle.getCompositeState());
  89         inventoryPersistence.saveCmHandleState(yangModelCmHandle.getId(), yangModelCmHandle.getCompositeState());
  90     }
  91
  92     private void registerNewCmHandle(final YangModelCmHandle yangModelCmHandle) {
  93         yangModelCmHandle.setCompositeState(new CompositeState());
  94         setCmHandleState(yangModelCmHandle, ADVISED);
  95         inventoryPersistence.saveCmHandle(yangModelCmHandle);
  96     }
  97
  98     private void publishLcmEvent(final NcmpServiceCmHandle targetNcmpServiceCmHandle,
  99             final NcmpServiceCmHandle existingNcmpServiceCmHandle) {
 100         final String cmHandleId = targetNcmpServiceCmHandle.getCmHandleId();
 101         final LcmEvent lcmEvent =
 102                 lcmEventsCreator.populateLcmEvent(cmHandleId, targetNcmpServiceCmHandle, existingNcmpServiceCmHandle);
 103         lcmEventsService.publishLcmEvent(cmHandleId, lcmEvent);
 104     }
 105
 106     private void updateAndSaveCmHandleState(final YangModelCmHandle yangModelCmHandle,
 107             final CmHandleState targetCmHandleState) {
 108         setCmHandleState(yangModelCmHandle, targetCmHandleState);
 109         inventoryPersistence.saveCmHandleState(yangModelCmHandle.getId(), yangModelCmHandle.getCompositeState());
 110     }
 111
 112     private void setCmHandleState(final YangModelCmHandle yangModelCmHandle, final CmHandleState targetCmHandleState) {
 113         CompositeStateUtils.setCompositeState(targetCmHandleState).accept(yangModelCmHandle.getCompositeState());
 114     }
 115
 116     private NcmpServiceCmHandle toNcmpServiceCmHandle(final YangModelCmHandle yangModelCmHandle) {
 117         return YangDataConverter.convertYangModelCmHandleToNcmpServiceCmHandle(yangModelCmHandle);
 118     }
 119 }