/*
* 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.queue.impl;
import com.hazelcast.partition.InternalPartitionService;
import com.hazelcast.queue.impl.operations.CheckAndEvictOperation;
import com.hazelcast.spi.NodeEngine;
import com.hazelcast.spi.OperationService;
import com.hazelcast.util.scheduler.EntryTaskScheduler;
import com.hazelcast.util.scheduler.ScheduledEntry;
import com.hazelcast.util.scheduler.ScheduledEntryProcessor;
import java.util.Collection;
/**
* Eviction Processor for the Queue.
*/
public class QueueEvictionProcessor implements ScheduledEntryProcessor<String, Void> {
private final NodeEngine nodeEngine;
private final QueueService service;
public QueueEvictionProcessor(NodeEngine nodeEngine, QueueService service) {
this.nodeEngine = nodeEngine;
this.service = service;
}
@Override
public void process(EntryTaskScheduler<String, Void> scheduler, Collection<ScheduledEntry<String, Void>> entries) {
if (entries.isEmpty()) {
return;
}
InternalPartitionService partitionService = nodeEngine.getPartitionService();
OperationService operationService = nodeEngine.getOperationService();
for (ScheduledEntry<String, Void> entry : entries) {
String name = entry.getKey();
int partitionId = partitionService.getPartitionId(nodeEngine.toData(name));
CheckAndEvictOperation op = new CheckAndEvictOperation(entry.getKey());
operationService.invokeOnPartition(QueueService.SERVICE_NAME, op, partitionId).getSafely();
}
}
}