/*
* 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.multimap.txn;
import com.hazelcast.multimap.MultiMapDataSerializerHook;
import com.hazelcast.multimap.MultiMapWrapper;
import com.hazelcast.multimap.operations.MultiMapBackupAwareOperation;
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.Notifier;
import com.hazelcast.spi.Operation;
import com.hazelcast.spi.WaitNotifyKey;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
/**
* @author ali 4/12/13
*/
public class TxnCommitOperation extends MultiMapBackupAwareOperation implements Notifier {
List<Operation> opList;
long version;
boolean notify = true;
public TxnCommitOperation() {
}
public TxnCommitOperation(String name, Data dataKey, long threadId, long version, List<Operation> opList) {
super(name, dataKey, threadId);
this.version = version;
this.opList = opList;
}
public void run() throws Exception {
MultiMapWrapper wrapper = getCollectionWrapper();
if (wrapper == null || wrapper.getVersion() != version){
notify = false;
return;
}
wrapper.incrementAndGetVersion();
for (Operation op: opList){
op.setNodeEngine(getNodeEngine()).setServiceName(getServiceName()).setPartitionId(getPartitionId());
op.beforeRun();
op.run();
op.afterRun();
}
getOrCreateContainer().unlock(dataKey, getCallerUuid(), threadId);
}
public boolean shouldBackup() {
return notify;
}
public Operation getBackupOperation() {
List<Operation> backupOpList = new ArrayList<Operation>();
for (Operation operation : opList) {
if (operation instanceof BackupAwareOperation){
BackupAwareOperation backupAwareOperation = (BackupAwareOperation) operation;
if (backupAwareOperation.shouldBackup()){
backupOpList.add(backupAwareOperation.getBackupOperation());
}
}
}
return new TxnCommitBackupOperation(name, dataKey, backupOpList, getCallerUuid(), threadId);
}
public boolean shouldNotify() {
return notify;
}
public WaitNotifyKey getNotifiedKey() {
return getWaitKey();
}
protected void writeInternal(ObjectDataOutput out) throws IOException {
super.writeInternal(out);
out.writeLong(version);
out.writeInt(opList.size());
for (Operation op: opList){
out.writeObject(op);
}
}
protected void readInternal(ObjectDataInput in) throws IOException {
super.readInternal(in);
version = in.readLong();
int size = in.readInt();
opList = new ArrayList<Operation>(size);
for (int i=0; i<size; i++){
opList.add((Operation)in.readObject());
}
}
public int getId() {
return MultiMapDataSerializerHook.TXN_COMMIT;
}
}