/*
* 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.operation;
import com.hazelcast.map.MapKeySet;
import com.hazelcast.map.RecordStore;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.nio.serialization.Data;
import com.hazelcast.spi.BackupAwareOperation;
import com.hazelcast.spi.Operation;
import com.hazelcast.spi.PartitionAwareOperation;
import java.io.IOException;
import java.util.Set;
import static com.hazelcast.map.MapService.SERVICE_NAME;
/**
* User: ahmetmircik
* Date: 11/1/13
*/
public class EvictKeysOperation extends AbstractMapOperation implements BackupAwareOperation, PartitionAwareOperation {
MapKeySet mapKeySet;
boolean shouldBackup = true;
public EvictKeysOperation() {
}
public EvictKeysOperation(String name, Set<Data> keys) {
super(name);
this.mapKeySet = new MapKeySet(keys);
}
public void run() {
final RecordStore recordStore = mapService.getRecordStore(getPartitionId(), name);
final Set<Data> keys = mapKeySet.getKeySet();
if (keys.isEmpty()) {
shouldBackup = false;
}
for (Data key : keys) {
if (!recordStore.isLocked(key)) {
recordStore.evict(key);
}
}
}
public boolean shouldBackup() {
return shouldBackup;
}
public int getSyncBackupCount() {
return mapService.getMapContainer(name).getBackupCount();
}
public int getAsyncBackupCount() {
return mapService.getMapContainer(name).getAsyncBackupCount();
}
@Override
public boolean returnsResponse() {
return false;
}
public Operation getBackupOperation() {
EvictKeysBackupOperation evictKeysBackupOperation = new EvictKeysBackupOperation(name, mapKeySet.getKeySet());
evictKeysBackupOperation.setServiceName(SERVICE_NAME);
return evictKeysBackupOperation;
}
@Override
public String toString() {
return "EvictKeysOperation{" +
'}';
}
@Override
protected void writeInternal(ObjectDataOutput out) throws IOException {
super.writeInternal(out);
mapKeySet.writeData(out);
}
@Override
protected void readInternal(ObjectDataInput in) throws IOException {
super.readInternal(in);
mapKeySet = new MapKeySet();
mapKeySet.readData(in);
}
}