/*
* 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.tx;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.queue.QueueBackupAwareOperation;
import com.hazelcast.queue.QueueContainer;
import com.hazelcast.queue.QueueDataSerializerHook;
import com.hazelcast.spi.Operation;
import java.io.IOException;
/**
* Prepare operation for the transactional queue.
*/
public class TxnPrepareOperation extends QueueBackupAwareOperation {
private long itemId;
private boolean pollOperation;
private String transactionId;
public TxnPrepareOperation() {
}
public TxnPrepareOperation(String name, long itemId, boolean pollOperation, String transactionId) {
super(name);
this.itemId = itemId;
this.pollOperation = pollOperation;
this.transactionId = transactionId;
}
@Override
public void run() throws Exception {
QueueContainer container = getOrCreateContainer();
response = container.txnEnsureReserve(itemId);
}
@Override
public boolean shouldBackup() {
return true;
}
@Override
public Operation getBackupOperation() {
return new TxnPrepareBackupOperation(name, itemId, pollOperation, transactionId);
}
@Override
protected void writeInternal(ObjectDataOutput out) throws IOException {
super.writeInternal(out);
out.writeLong(itemId);
out.writeBoolean(pollOperation);
out.writeUTF(transactionId);
}
@Override
protected void readInternal(ObjectDataInput in) throws IOException {
super.readInternal(in);
itemId = in.readLong();
pollOperation = in.readBoolean();
transactionId = in.readUTF();
}
@Override
public int getId() {
return QueueDataSerializerHook.TXN_PREPARE;
}
}