ActiveMQ example source code file (ParallelXATransactionTest.java)

This example ActiveMQ source code file (ParallelXATransactionTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - ActiveMQ tags/keywords

annotation, audit, exception, exception, jmstemplate, p1, platformtransactionmanager, platformtransactionmanager, producerthread, producerthread, queues, resource, sleep, string, string, util

The ActiveMQ ParallelXATransactionTest.java source code

/**
 * 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.spring;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.jms.core.JmsTemplate;
import org.springframework.jms.core.MessageCreator;
import org.springframework.test.annotation.DirtiesContext;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.transaction.TransactionConfiguration;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.TransactionException;
import org.springframework.transaction.TransactionStatus;
import org.springframework.transaction.support.TransactionCallbackWithoutResult;
import org.springframework.transaction.support.TransactionTemplate;

import javax.annotation.Resource;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.Session;
import java.util.Arrays;

@RunWith(SpringJUnit4ClassRunner.class)

@ContextConfiguration(locations = {"classpath:spring/xa.xml"})
@TransactionConfiguration(transactionManager = "transactionManager", defaultRollback = false)
public class ParallelXATransactionTest {

    private static final Logger LOG = LoggerFactory.getLogger(ParallelXATransactionTest.class);

    @Resource(name = "transactionManager")
    PlatformTransactionManager txManager = null;

    @Resource(name = "transactionManager2")
    PlatformTransactionManager txManager2 = null;


    @Resource(name = "jmsTemplate")
    JmsTemplate jmsTemplate = null;

    @Resource(name = "jmsTemplate2")
    JmsTemplate jmsTemplate2 = null;


    public static final int NB_MSG = 100;
    public static final String BODY = Arrays.toString(new int[1024]);
    private static final String[] QUEUES = {"TEST.queue1", "TEST.queue2", "TEST.queue3", "TEST.queue4", "TEST.queue5"};
    private static final String AUDIT = "TEST.audit";
    public static final int SLEEP = 500;

    @Test
    @DirtiesContext
    public void testParalellXaTx() throws Exception {


        class ProducerThread extends Thread {

            PlatformTransactionManager txManager;
            JmsTemplate jmsTemplate;
            Exception lastException;


            public ProducerThread(JmsTemplate jmsTemplate, PlatformTransactionManager txManager) {
               this.jmsTemplate = jmsTemplate;
               this.txManager = txManager;
            }

            public void run() {
                int i = 0;
                while (i++ < 10) {

                    try {
                        Thread.sleep((long) (Math.random() * SLEEP));
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                    TransactionTemplate tt = new TransactionTemplate(this.txManager);


                    try {
                        tt.execute(new TransactionCallbackWithoutResult() {
                            @Override
                            protected void doInTransactionWithoutResult(TransactionStatus status) {
                                try {

                                    for (final String queue : QUEUES) {
                                        jmsTemplate.send(queue + "," + AUDIT, new MessageCreator() {
                                            public Message createMessage(Session session) throws JMSException {
                                                return session.createTextMessage("P1: " + queue + " - " + BODY);
                                            }
                                        });
                                        Thread.sleep((long) (Math.random() * SLEEP));
                                        LOG.info("P1: Send msg to " + queue + "," + AUDIT);
                                    }

                                } catch (Exception e) {
                                    Assert.fail("Exception occurred " + e);
                                }


                            }
                        });
                    } catch (TransactionException e) {
                        lastException = e;
                        break;
                    }

                }
            }

            public Exception getLastException() {
                return lastException;
            }
        }


        ProducerThread t1 = new ProducerThread(jmsTemplate, txManager);
        ProducerThread t2 = new ProducerThread(jmsTemplate2, txManager2);

        t1.start();
        t2.start();

        t1.join();
        t2.join();

        if (t1.getLastException() != null) {
            Assert.fail("Exception occurred " + t1.getLastException());
        }

        if (t2.getLastException() != null) {
            Assert.fail("Exception occurred " + t2.getLastException());
        }

    }

}