ActiveMQ example source code file (LoadTestBurnIn.java)

This example ActiveMQ source code file (LoadTestBurnIn.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

brokerservice, countdownlatch, countdownlatch, exception, exception, io, ioexception, logger, messageconsumer, net, network, object, object, session, session, start, threading, threads, uri

The ActiveMQ LoadTestBurnIn.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;

import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;

import javax.jms.BytesMessage;
import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.DeliveryMode;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.jms.Topic;

import junit.framework.Test;
import org.apache.activemq.broker.BrokerFactory;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.TransportConnector;
import org.apache.activemq.command.ActiveMQDestination;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Small burn test moves sends a moderate amount of messages through the broker,
 * to checking to make sure that the broker does not lock up after a while of
 * sustained messaging.
 * 
 * 
 */
public class LoadTestBurnIn extends JmsTestSupport {
    private static final transient Logger LOG = LoggerFactory.getLogger(LoadTestBurnIn.class);

    public ActiveMQDestination destination;
    public int deliveryMode;
    public byte destinationType;
    public boolean durableConsumer;
    public int messageCount = 50000;
    public int messageSize = 1024;

    public static Test suite() {
        return suite(LoadTestBurnIn.class);
    }

    protected void setUp() throws Exception {
        LOG.info("Start: " + getName());
        super.setUp();
    }

    protected void tearDown() throws Exception {
        try {
            super.tearDown();
        } catch (Throwable e) {
            e.printStackTrace(System.out);
        } finally {
            LOG.info("End: " + getName());
        }
    }

    public static void main(String[] args) {
        junit.textui.TestRunner.run(suite());
    }

    protected BrokerService createBroker() throws Exception {
        return BrokerFactory.createBroker(new URI("broker://(tcp://localhost:0)?useJmx=true"));
        // return BrokerFactory.createBroker(new
        // URI("xbean:org/apache/activemq/broker/store/loadtester.xml"));
    }

    protected ConnectionFactory createConnectionFactory() throws URISyntaxException, IOException {
        return new ActiveMQConnectionFactory(((TransportConnector)broker.getTransportConnectors().get(0))
            .getServer().getConnectURI());
    }

    public void initCombosForTestSendReceive() {
        addCombinationValues("deliveryMode", new Object[] {Integer.valueOf(DeliveryMode.NON_PERSISTENT),
                                                           Integer.valueOf(DeliveryMode.PERSISTENT)});
        addCombinationValues("destinationType", new Object[] {Byte.valueOf(ActiveMQDestination.TOPIC_TYPE)});
        addCombinationValues("durableConsumer", new Object[] {Boolean.TRUE});
        addCombinationValues("messageSize", new Object[] {Integer.valueOf(101), Integer.valueOf(102),
                                                          Integer.valueOf(103), Integer.valueOf(104),
                                                          Integer.valueOf(105), Integer.valueOf(106),
                                                          Integer.valueOf(107), Integer.valueOf(108)});
    }

    public void testSendReceive() throws Exception {

        // Durable consumer combination is only valid with topics
        if (durableConsumer && destinationType != ActiveMQDestination.TOPIC_TYPE) {
            return;
        }

        connection.setClientID(getName());
        connection.getPrefetchPolicy().setAll(1000);
        connection.start();

        Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        destination = createDestination(session, destinationType);
        MessageConsumer consumer;
        if (durableConsumer) {
            consumer = session.createDurableSubscriber((Topic)destination, "sub1:"
                                                                           + System.currentTimeMillis());
        } else {
            consumer = session.createConsumer(destination);
        }
        profilerPause("Ready: ");

        final CountDownLatch producerDoneLatch = new CountDownLatch(1);

        // Send the messages, async
        new Thread() {
            public void run() {
                Connection connection2 = null;
                try {
                    connection2 = factory.createConnection();
                    Session session = connection2.createSession(false, Session.AUTO_ACKNOWLEDGE);
                    MessageProducer producer = session.createProducer(destination);
                    producer.setDeliveryMode(deliveryMode);
                    for (int i = 0; i < messageCount; i++) {
                        BytesMessage m = session.createBytesMessage();
                        m.writeBytes(new byte[messageSize]);
                        producer.send(m);
                    }
                    producer.close();
                } catch (JMSException e) {
                    e.printStackTrace();
                } finally {
                    safeClose(connection2);
                    producerDoneLatch.countDown();
                }

            }
        }.start();

        // Make sure all the messages were delivered.
        Message message = null;
        for (int i = 0; i < messageCount; i++) {
            message = consumer.receive(5000);
            assertNotNull("Did not get message: " + i, message);
        }

        profilerPause("Done: ");

        assertNull(consumer.receiveNoWait());
        message.acknowledge();

        // Make sure the producer thread finishes.
        assertTrue(producerDoneLatch.await(5, TimeUnit.SECONDS));
    }

}