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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2022 Nordix Foundation
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.cps.ncmp.api.impl.event.lcm;
import static org.onap.cps.ncmp.api.inventory.CmHandleState.ADVISED;
import static org.onap.cps.ncmp.api.inventory.CmHandleState.DELETED;
import static org.onap.cps.ncmp.api.inventory.CmHandleState.LOCKED;
import static org.onap.cps.ncmp.api.inventory.CmHandleState.READY;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.onap.cps.ncmp.api.impl.utils.YangDataConverter;
import org.onap.cps.ncmp.api.impl.yangmodels.YangModelCmHandle;
import org.onap.cps.ncmp.api.inventory.CmHandleState;
import org.onap.cps.ncmp.api.inventory.CompositeState;
import org.onap.cps.ncmp.api.inventory.CompositeStateUtils;
import org.onap.cps.ncmp.api.inventory.InventoryPersistence;
import org.onap.cps.ncmp.api.models.NcmpServiceCmHandle;
import org.onap.ncmp.cmhandle.event.lcm.LcmEvent;
import org.springframework.scheduling.annotation.Async;
import org.springframework.stereotype.Service;
@Slf4j
@Service
@RequiredArgsConstructor
public class LcmEventsCmHandleStateHandlerImpl implements LcmEventsCmHandleStateHandler {
private final InventoryPersistence inventoryPersistence;
private final LcmEventsCreator lcmEventsCreator;
private final LcmEventsService lcmEventsService;
@Override
public void updateCmHandleState(final YangModelCmHandle yangModelCmHandle,
final CmHandleState targetCmHandleState) {
final CompositeState compositeState = yangModelCmHandle.getCompositeState();
if (compositeState != null && compositeState.getCmHandleState() == targetCmHandleState) {
log.debug("CmHandle with id : {} already in state : {}", yangModelCmHandle.getId(), targetCmHandleState);
} else {
final NcmpServiceCmHandle existingNcmpServiceCmHandle =
new NcmpServiceCmHandle(toNcmpServiceCmHandle(yangModelCmHandle));
updateToSpecifiedCmHandleState(yangModelCmHandle, targetCmHandleState);
final NcmpServiceCmHandle targetNcmpServiceCmHandle = toNcmpServiceCmHandle(yangModelCmHandle);
publishLcmEvent(targetNcmpServiceCmHandle, existingNcmpServiceCmHandle);
}
}
@Async("notificationExecutor")
@Override
public void publishLcmEvent(final NcmpServiceCmHandle targetNcmpServiceCmHandle,
final NcmpServiceCmHandle existingNcmpServiceCmHandle) {
final String cmHandleId = targetNcmpServiceCmHandle.getCmHandleId();
final LcmEvent lcmEvent =
lcmEventsCreator.populateLcmEvent(cmHandleId, targetNcmpServiceCmHandle, existingNcmpServiceCmHandle);
lcmEventsService.publishLcmEvent(cmHandleId, lcmEvent);
}
private void updateToSpecifiedCmHandleState(final YangModelCmHandle yangModelCmHandle,
final CmHandleState targetCmHandleState) {
if (READY == targetCmHandleState) {
CompositeStateUtils.setCompositeStateToReadyWithInitialDataStoreSyncState()
.accept(yangModelCmHandle.getCompositeState());
inventoryPersistence.saveCmHandleState(yangModelCmHandle.getId(), yangModelCmHandle.getCompositeState());
} else if (ADVISED == targetCmHandleState) {
if (yangModelCmHandle.getCompositeState() == null) {
registerNewCmHandle(yangModelCmHandle);
} else if (yangModelCmHandle.getCompositeState().getCmHandleState() == LOCKED) {
retryCmHandle(yangModelCmHandle);
}
} else if (DELETED == targetCmHandleState) {
setCmHandleState(yangModelCmHandle, targetCmHandleState);
} else {
updateAndSaveCmHandleState(yangModelCmHandle, targetCmHandleState);
}
}
private void retryCmHandle(final YangModelCmHandle yangModelCmHandle) {
CompositeStateUtils.setCompositeStateForRetry().accept(yangModelCmHandle.getCompositeState());
inventoryPersistence.saveCmHandleState(yangModelCmHandle.getId(), yangModelCmHandle.getCompositeState());
}
private void registerNewCmHandle(final YangModelCmHandle yangModelCmHandle) {
yangModelCmHandle.setCompositeState(new CompositeState());
setCmHandleState(yangModelCmHandle, ADVISED);
inventoryPersistence.saveCmHandle(yangModelCmHandle);
}
private void updateAndSaveCmHandleState(final YangModelCmHandle yangModelCmHandle,
final CmHandleState targetCmHandleState) {
setCmHandleState(yangModelCmHandle, targetCmHandleState);
inventoryPersistence.saveCmHandleState(yangModelCmHandle.getId(), yangModelCmHandle.getCompositeState());
}
private void setCmHandleState(final YangModelCmHandle yangModelCmHandle, final CmHandleState targetCmHandleState) {
CompositeStateUtils.setCompositeState(targetCmHandleState).accept(yangModelCmHandle.getCompositeState());
}
private NcmpServiceCmHandle toNcmpServiceCmHandle(final YangModelCmHandle yangModelCmHandle) {
return YangDataConverter.convertYangModelCmHandleToNcmpServiceCmHandle(yangModelCmHandle);
}
}
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