ActiveMQ example source code file (AMQ2751Test.java)

This example ActiveMQ source code file (AMQ2751Test.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

activemqconnectionfactory, activemqconnectionfactory, countdownlatch, countdownlatch, embeddedbrokertestsupport, exception, exception, got, logger, messageconsumer, messagelistener, override, string, string, threading, threads

The ActiveMQ AMQ2751Test.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.bugs;

import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;

import javax.jms.Connection;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageListener;
import javax.jms.MessageProducer;
import javax.jms.Queue;
import javax.jms.Session;

import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.EmbeddedBrokerTestSupport;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class AMQ2751Test extends EmbeddedBrokerTestSupport {
    private static final Logger LOG = LoggerFactory.getLogger(AMQ2751Test.class);

    private static String clientIdPrefix = "consumer";
    private static String queueName = "FOO";

    public void testRecoverRedelivery() throws Exception {

        final CountDownLatch redelivery = new CountDownLatch(6);
        final ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory(
                "failover:(" + broker.getTransportConnectors().get(0).getConnectUri() + ")");
        try {

            Connection connection = factory.createConnection();
            String clientId = clientIdPrefix;
            connection.setClientID(clientId);

            final Session session = connection.createSession(false, Session.CLIENT_ACKNOWLEDGE);

            Queue queue = session.createQueue(queueName);

            MessageConsumer consumer = session.createConsumer(queue);

            consumer.setMessageListener(new MessageListener() {
                public void onMessage(Message message) {
                    try {
                        LOG.info("Got message: " + message.getJMSMessageID());
                        if (message.getJMSRedelivered()) {
                            LOG.info("It's a redelivery.");
                            redelivery.countDown();
                        }
                        LOG.info("calling recover() on the session to force redelivery.");
                        session.recover();
                    } catch (JMSException e) {
                        e.printStackTrace();
                    }
                }
            });

            System.out.println("Created queue consumer with clientId " + clientId);
            connection.start();

            MessageProducer producer = session.createProducer(queue);
            producer.send(session.createTextMessage("test"));

            assertTrue("we got 6 redeliveries", redelivery.await(20, TimeUnit.SECONDS));

        } finally {
            broker.stop();
        }

    }

    @Override
    protected void setUp() throws Exception {
        bindAddress = "tcp://localhost:0";
        super.setUp();
    }
}