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ActiveMQ example source code file (SimpleTopicTest.java)

This example ActiveMQ source code file (SimpleTopicTest.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, brokerservice, destination, destination, exception, exception, jmsexception, perfconsumer, perfconsumer, perfproducer, perfrate, simpletopictest, string, string

The ActiveMQ SimpleTopicTest.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.perf;

import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.Session;
import junit.framework.TestCase;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.broker.BrokerService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * 
 */
public class SimpleTopicTest extends TestCase {

    private static final Logger LOG = LoggerFactory.getLogger(SimpleTopicTest.class);
    
    protected BrokerService broker;
    protected String clientURI="tcp://localhost:61616?wireFormat.cacheEnabled=true&wireFormat.tightEncodingEnabled=true&jms.useAsyncSend=false&wireFormat.maxInactivityDuration=0";
    //protected String clientURI="tcp://localhost:61616";
    protected String bindAddress="tcp://localhost:61616?wireFormat.maxInactivityDuration=0";
    //protected String bindAddress = "tcp://localhost:61616";
    //protected String bindAddress="vm://localhost?marshal=true";
    //protected String bindAddress="vm://localhost";
    protected PerfProducer[] producers;
    protected PerfConsumer[] consumers;
    protected String destinationName = getClass().getName();
    protected int sampleCount = 20;
    protected long sampleInternal = 10000;
    protected int numberOfDestinations=1;
    protected int numberOfConsumers = 1;
    protected int numberofProducers = 1;
    protected int totalNumberOfProducers;
    protected int totalNumberOfConsumers;
    protected int playloadSize = 12;
    protected byte[] array;
    protected ConnectionFactory factory;
    
     /**
     * Sets up a test where the producer and consumer have their own connection.
     * 
     * @see junit.framework.TestCase#setUp()
     */
    protected void setUp() throws Exception {
        if (broker == null) {
            broker = createBroker(bindAddress);
        }
        factory = createConnectionFactory(clientURI);
        Connection con = factory.createConnection();
        Session session = con.createSession(false, Session.AUTO_ACKNOWLEDGE);
       
        
        LOG.info("Running " + numberofProducers + " producer(s) and " + numberOfConsumers + " consumer(s) per " + numberOfDestinations + " Destination(s)");
       
        totalNumberOfConsumers=numberOfConsumers*numberOfDestinations;
        totalNumberOfProducers=numberofProducers*numberOfDestinations;
        producers = new PerfProducer[totalNumberOfProducers];
        consumers = new PerfConsumer[totalNumberOfConsumers];
        int consumerCount = 0;
        int producerCount = 0;
        for (int k =0; k < numberOfDestinations;k++) {
            Destination destination = createDestination(session, destinationName+":"+k);
            LOG.info("Testing against destination: " + destination);
            for (int i = 0; i < numberOfConsumers; i++) {
                consumers[consumerCount] = createConsumer(factory, destination, consumerCount);
                consumerCount++;
            }
            for (int i = 0; i < numberofProducers; i++) {
                array = new byte[playloadSize];
                for (int j = i; j < array.length; j++) {
                    array[j] = (byte)j;
                }
                producers[producerCount] = createProducer(factory, destination, i, array);
                producerCount++;
            }
        }
        con.close();
        super.setUp();
    }

    protected void tearDown() throws Exception {
        super.tearDown();
        for (int i = 0; i < numberOfConsumers; i++) {
            consumers[i].shutDown();
        }
        for (int i = 0; i < numberofProducers; i++) {
            producers[i].shutDown();
        }
        if (broker != null) {
            broker.stop();
            broker = null;
        }
    }

    protected Destination createDestination(Session s, String destinationName) throws JMSException {
        return s.createTopic(destinationName);
    }

    /**
     * Factory method to create a new broker
     * 
     * @throws Exception
     */
    protected BrokerService createBroker(String uri) throws Exception {
        BrokerService answer = new BrokerService();
        configureBroker(answer,uri);
        answer.start();
        return answer;
    }

    protected PerfProducer createProducer(ConnectionFactory fac, Destination dest, int number, byte[] payload) throws JMSException {
        return new PerfProducer(fac, dest, payload);
    }

    protected PerfConsumer createConsumer(ConnectionFactory fac, Destination dest, int number) throws JMSException {
        return new PerfConsumer(fac, dest);
    }
    
    
    protected void configureBroker(BrokerService answer,String uri) throws Exception {
        answer.setDeleteAllMessagesOnStartup(true);
        answer.addConnector(uri);
        answer.setUseShutdownHook(false);
    }

    protected ActiveMQConnectionFactory createConnectionFactory(String uri) throws Exception {
        return new ActiveMQConnectionFactory(uri);
    }

    public void testPerformance() throws JMSException, InterruptedException {
        for (int i = 0; i < totalNumberOfConsumers; i++) {
            consumers[i].start();
        }
        for (int i = 0; i < totalNumberOfProducers; i++) {
            producers[i].start();
        }
        LOG.info("Sampling performance " + sampleCount + " times at a " + sampleInternal + " ms interval.");
        for (int i = 0; i < sampleCount; i++) {
            Thread.sleep(sampleInternal);
            dumpProducerRate();
            dumpConsumerRate();
        }
        for (int i = 0; i < totalNumberOfProducers; i++) {
            producers[i].stop();
        }
        for (int i = 0; i < totalNumberOfConsumers; i++) {
            consumers[i].stop();
        }
    }

    protected void dumpProducerRate() {
        int totalRate = 0;
        int totalCount = 0;
        String producerString="Producers:";
        for (int i = 0; i < producers.length; i++) {
            PerfRate rate = producers[i].getRate().cloneAndReset();
            totalRate += rate.getRate();
            totalCount += rate.getTotalCount();
            producerString+="["+i+":"+rate.getRate() + ","+rate.getTotalCount()+"];";
        }
        if (producers != null && producers.length > 0) {
            int avgRate = totalRate / producers.length;
            System.out.println("Avg producer rate = " + avgRate
                    + " msg/sec | Total rate = " + totalRate + ", sent = "
                    + totalCount);
           // System.out.println(producerString);
        }
    }

    protected void dumpConsumerRate() {
        int totalRate = 0;
        int totalCount = 0;
        String consumerString="Consumers:";
        for (int i = 0; i < consumers.length; i++) {
            PerfRate rate = consumers[i].getRate().cloneAndReset();
            totalRate += rate.getRate();
            totalCount += rate.getTotalCount();
            consumerString+="["+i+":"+rate.getRate() + ","+rate.getTotalCount()+"];";
        }
        if (consumers != null && consumers.length > 0) {
            int avgRate = totalRate / consumers.length;
            System.out.println("Avg consumer rate = " + avgRate + " msg/sec | Total rate = " + totalRate + ", received = " + totalCount);
            System.out.println(consumerString);
        }
    }
}

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