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.scheduling.annotation.Async;
  39 import org.springframework.stereotype.Service;
  40
  41 @Slf4j
  42 @Service
  43 @RequiredArgsConstructor
  44 public class LcmEventsCmHandleStateHandlerImpl implements LcmEventsCmHandleStateHandler {
  45
  46     private final InventoryPersistence inventoryPersistence;
  47     private final LcmEventsCreator lcmEventsCreator;
  48     private final LcmEventsService lcmEventsService;
  49
  50     @Override
  51     public void updateCmHandleState(final YangModelCmHandle yangModelCmHandle,
  52             final CmHandleState targetCmHandleState) {
  53
  54         final CompositeState compositeState = yangModelCmHandle.getCompositeState();
  55
  56         if (compositeState != null && compositeState.getCmHandleState() == targetCmHandleState) {
  57             log.debug("CmHandle with id : {} already in state : {}", yangModelCmHandle.getId(), targetCmHandleState);
  58         } else {
  59             final NcmpServiceCmHandle existingNcmpServiceCmHandle =
  60                     new NcmpServiceCmHandle(toNcmpServiceCmHandle(yangModelCmHandle));
  61             updateToSpecifiedCmHandleState(yangModelCmHandle, targetCmHandleState);
  62             final NcmpServiceCmHandle targetNcmpServiceCmHandle = toNcmpServiceCmHandle(yangModelCmHandle);
  63             publishLcmEvent(targetNcmpServiceCmHandle, existingNcmpServiceCmHandle);
  64         }
  65
  66     }
  67
  68     @Async("notificationExecutor")
  69     @Override
  70     public void publishLcmEvent(final NcmpServiceCmHandle targetNcmpServiceCmHandle,
  71             final NcmpServiceCmHandle existingNcmpServiceCmHandle) {
  72         final String cmHandleId = targetNcmpServiceCmHandle.getCmHandleId();
  73         final LcmEvent lcmEvent =
  74                 lcmEventsCreator.populateLcmEvent(cmHandleId, targetNcmpServiceCmHandle, existingNcmpServiceCmHandle);
  75         lcmEventsService.publishLcmEvent(cmHandleId, lcmEvent);
  76     }
  77
  78     private void updateToSpecifiedCmHandleState(final YangModelCmHandle yangModelCmHandle,
  79             final CmHandleState targetCmHandleState) {
  80
  81         if (READY == targetCmHandleState) {
  82             CompositeStateUtils.setCompositeStateToReadyWithInitialDataStoreSyncState()
  83                     .accept(yangModelCmHandle.getCompositeState());
  84             inventoryPersistence.saveCmHandleState(yangModelCmHandle.getId(), yangModelCmHandle.getCompositeState());
  85         } else if (ADVISED == targetCmHandleState) {
  86             if (yangModelCmHandle.getCompositeState() == null) {
  87                 registerNewCmHandle(yangModelCmHandle);
  88             } else if (yangModelCmHandle.getCompositeState().getCmHandleState() == LOCKED) {
  89                 retryCmHandle(yangModelCmHandle);
  90             }
  91         } else if (DELETED == targetCmHandleState) {
  92             setCmHandleState(yangModelCmHandle, targetCmHandleState);
  93         } else {
  94             updateAndSaveCmHandleState(yangModelCmHandle, targetCmHandleState);
  95         }
  96     }
  97
  98     private void retryCmHandle(final YangModelCmHandle yangModelCmHandle) {
  99         CompositeStateUtils.setCompositeStateForRetry().accept(yangModelCmHandle.getCompositeState());
 100         inventoryPersistence.saveCmHandleState(yangModelCmHandle.getId(), yangModelCmHandle.getCompositeState());
 101     }
 102
 103     private void registerNewCmHandle(final YangModelCmHandle yangModelCmHandle) {
 104         yangModelCmHandle.setCompositeState(new CompositeState());
 105         setCmHandleState(yangModelCmHandle, ADVISED);
 106         inventoryPersistence.saveCmHandle(yangModelCmHandle);
 107     }
 108
 109     private void updateAndSaveCmHandleState(final YangModelCmHandle yangModelCmHandle,
 110             final CmHandleState targetCmHandleState) {
 111         setCmHandleState(yangModelCmHandle, targetCmHandleState);
 112         inventoryPersistence.saveCmHandleState(yangModelCmHandle.getId(), yangModelCmHandle.getCompositeState());
 113     }
 114
 115     private void setCmHandleState(final YangModelCmHandle yangModelCmHandle, final CmHandleState targetCmHandleState) {
 116         CompositeStateUtils.setCompositeState(targetCmHandleState).accept(yangModelCmHandle.getCompositeState());
 117     }
 118
 119     private NcmpServiceCmHandle toNcmpServiceCmHandle(final YangModelCmHandle yangModelCmHandle) {
 120         return YangDataConverter.convertYangModelCmHandleToNcmpServiceCmHandle(yangModelCmHandle);
 121     }
 122 }