ActiveMQ example source code file (Transaction.java)
This example ActiveMQ source code file (Transaction.java) is included in the DevDaily.com
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/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.activemq.transaction;
import java.io.IOException;
import java.io.InterruptedIOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.FutureTask;
import javax.transaction.xa.XAException;
import org.apache.activemq.command.TransactionId;
import org.slf4j.Logger;
/**
* Keeps track of all the actions the need to be done when a transaction does a
* commit or rollback.
*
*
*/
public abstract class Transaction {
public static final byte START_STATE = 0; // can go to: 1,2,3
public static final byte IN_USE_STATE = 1; // can go to: 2,3
public static final byte PREPARED_STATE = 2; // can go to: 3
public static final byte FINISHED_STATE = 3;
private final ArrayList<Synchronization> synchronizations = new ArrayList();
private byte state = START_STATE;
protected FutureTask<?> preCommitTask = new FutureTask