/*
* 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.tx;
import com.hazelcast.map.operation.KeyBasedMapOperation;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.nio.serialization.Data;
import com.hazelcast.spi.BackupOperation;
import com.hazelcast.transaction.TransactionException;
import java.io.IOException;
public class TxnPrepareBackupOperation extends KeyBasedMapOperation implements BackupOperation {
private String lockOwner;
private long lockThreadId;
protected TxnPrepareBackupOperation(String name, Data dataKey, String lockOwner, long lockThreadId) {
super(name, dataKey);
this.lockOwner = lockOwner;
this.lockThreadId = lockThreadId;
}
public TxnPrepareBackupOperation() {
}
@Override
public void run() throws Exception {
if (!recordStore.txnLock(getKey(), lockOwner, lockThreadId, 10000L)) {
throw new TransactionException("Lock is not owned by the transaction! Caller: " + lockOwner + ", Owner: " + recordStore.getLockOwnerInfo(getKey()));
}
}
@Override
public Object getResponse() {
return Boolean.TRUE;
}
@Override
protected void writeInternal(ObjectDataOutput out) throws IOException {
super.writeInternal(out);
out.writeUTF(lockOwner);
out.writeLong(lockThreadId);
}
@Override
protected void readInternal(ObjectDataInput in) throws IOException {
super.readInternal(in);
lockOwner = in.readUTF();
lockThreadId = in.readLong();
}
}