com.hazelcast.map.impl.MapPartitionAwareService Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2020, Hazelcast, Inc. All Rights Reserved.
*
* 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.
*/
package com.hazelcast.map.impl;
import com.hazelcast.core.DistributedObject;
import com.hazelcast.map.impl.proxy.MapProxyImpl;
import com.hazelcast.cluster.Address;
import com.hazelcast.spi.impl.NodeEngine;
import com.hazelcast.internal.partition.PartitionAwareService;
import com.hazelcast.spi.impl.proxyservice.ProxyService;
import com.hazelcast.internal.partition.IPartitionLostEvent;
import java.util.Collection;
/**
* Defines partition-aware operations' behavior of map service.
* Currently, it only defines the behavior for partition lost occurrences
*
* @see IPartitionLostEvent
*/
class MapPartitionAwareService implements PartitionAwareService {
private final MapServiceContext mapServiceContext;
private final NodeEngine nodeEngine;
private final ProxyService proxyService;
MapPartitionAwareService(MapServiceContext mapServiceContext) {
this.mapServiceContext = mapServiceContext;
this.nodeEngine = mapServiceContext.getNodeEngine();
this.proxyService = this.nodeEngine.getProxyService();
}
@Override
public void onPartitionLost(IPartitionLostEvent partitionLostEvent) {
final Address thisAddress = nodeEngine.getThisAddress();
final int partitionId = partitionLostEvent.getPartitionId();
Collection result = proxyService.getDistributedObjects(MapService.SERVICE_NAME);
for (DistributedObject object : result) {
final MapProxyImpl mapProxy = (MapProxyImpl) object;
final String mapName = mapProxy.getName();
if (mapProxy.getTotalBackupCount() <= partitionLostEvent.getLostReplicaIndex()) {
mapServiceContext.getMapEventPublisher().publishMapPartitionLostEvent(thisAddress, mapName, partitionId);
}
}
}
}