/*
* Copyright (c) 2008-2013, 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;
import com.hazelcast.logging.ILogger;
import com.hazelcast.map.operation.EvictOperation;
import com.hazelcast.nio.serialization.Data;
import com.hazelcast.spi.NodeEngine;
import com.hazelcast.spi.Operation;
import com.hazelcast.util.scheduler.EntryTaskScheduler;
import com.hazelcast.util.scheduler.ScheduledEntry;
import com.hazelcast.util.scheduler.ScheduledEntryProcessor;
import java.util.ArrayList;
import java.util.Collection;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import static com.hazelcast.map.MapService.SERVICE_NAME;
public class EvictionProcessor implements ScheduledEntryProcessor<Data, Object> {
final NodeEngine nodeEngine;
final MapService mapService;
final String mapName;
public EvictionProcessor(NodeEngine nodeEngine, MapService mapService, String mapName) {
this.nodeEngine = nodeEngine;
this.mapService = mapService;
this.mapName = mapName;
}
public void process(EntryTaskScheduler<Data, Object> scheduler, Collection<ScheduledEntry<Data, Object>> entries) {
final Collection<Future> futures = new ArrayList<Future>(entries.size());
final ILogger logger = nodeEngine.getLogger(getClass());
for (ScheduledEntry<Data, Object> entry : entries) {
Data key = entry.getKey();
int partitionId = nodeEngine.getPartitionService().getPartitionId(key);
// execute eviction if the node is owner of the key (it can be backup)
if (nodeEngine.getThisAddress().equals(nodeEngine.getPartitionService().getPartitionOwner(partitionId))) {
Operation operation = new EvictOperation(mapName, key, true);
try {
Future f = nodeEngine.getOperationService().invokeOnPartition(SERVICE_NAME, operation, partitionId);
futures.add(f);
} catch (Throwable t) {
logger.warning(t);
}
}
}
for (Future future : futures) {
try {
future.get(30, TimeUnit.SECONDS);
} catch (TimeoutException e) {
logger.finest(e);
} catch (Exception e) {
logger.warning(e);
}
}
}
}