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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.inventory.sync;
import com.hazelcast.map.IMap;
import java.time.OffsetDateTime;
import java.util.concurrent.TimeUnit;
import java.util.function.Consumer;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.onap.cps.api.CpsDataService;
import org.onap.cps.ncmp.api.impl.config.embeddedcache.SynchronizationCacheConfig;
import org.onap.cps.ncmp.api.inventory.CompositeState;
import org.onap.cps.ncmp.api.inventory.DataStoreSyncState;
import org.onap.cps.ncmp.api.inventory.InventoryPersistence;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Service;
@Slf4j
@RequiredArgsConstructor
@Service
public class DataSyncWatchdog {
private static final boolean DATA_SYNC_IN_PROGRESS = false;
private static final boolean DATA_SYNC_DONE = true;
private final InventoryPersistence inventoryPersistence;
private final CpsDataService cpsDataService;
private final SyncUtils syncUtils;
private final IMap<String, Boolean> dataSyncSemaphores;
/**
* Execute Cm Handle poll which queries the cm handle state in 'READY' and Operational Datastore Sync State in
* 'UNSYNCHRONIZED'.
*/
@Scheduled(fixedDelayString = "${ncmp.timers.cm-handle-data-sync.sleep-time-ms:30000}")
public void executeUnSynchronizedReadyCmHandlePoll() {
syncUtils.getUnsynchronizedReadyCmHandles().forEach(unSynchronizedReadyCmHandle -> {
final String cmHandleId = unSynchronizedReadyCmHandle.getId();
if (hasPushedIntoSemaphoreMap(cmHandleId)) {
log.debug("Executing data sync on {}", cmHandleId);
final CompositeState compositeState = inventoryPersistence
.getCmHandleState(cmHandleId);
final String resourceData = syncUtils.getResourceData(cmHandleId);
if (resourceData == null) {
log.debug("Error retrieving resource data for Cm-Handle: {}", cmHandleId);
} else {
cpsDataService.saveData("NFP-Operational", cmHandleId,
resourceData, OffsetDateTime.now());
setSyncStateToSynchronized().accept(compositeState);
inventoryPersistence.saveCmHandleState(cmHandleId, compositeState);
updateDataSyncSemaphoreMap(cmHandleId);
}
} else {
log.debug("{} already processed by another instance", cmHandleId);
}
});
log.debug("No Cm-Handles currently found in READY State and Operational Sync State is UNSYNCHRONIZED");
}
private Consumer<CompositeState> setSyncStateToSynchronized() {
return compositeState -> {
compositeState.setLastUpdateTimeNow();
compositeState.getDataStores()
.setOperationalDataStore(CompositeState.Operational.builder()
.dataStoreSyncState(DataStoreSyncState.SYNCHRONIZED)
.lastSyncTime(CompositeState.nowInSyncTimeFormat()).build());
};
}
private void updateDataSyncSemaphoreMap(final String cmHandleId) {
dataSyncSemaphores.replace(cmHandleId, DATA_SYNC_DONE);
}
private boolean hasPushedIntoSemaphoreMap(final String cmHandleId) {
return dataSyncSemaphores.putIfAbsent(cmHandleId, DATA_SYNC_IN_PROGRESS,
SynchronizationCacheConfig.DATA_SYNC_SEMAPHORE_TTL_SECS, TimeUnit.SECONDS) == null;
}
}
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