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ActiveMQ example source code file (LoadTester.java)

This example ActiveMQ source code file (LoadTester.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

activemqdestination, activemqqueue, brokerservice, exception, exception, io, ioexception, ioexception, logger, messageconsumer, net, network, progressprinter, progressprinter, test, test, uri

The ActiveMQ LoadTester.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.broker.store;

import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;

import javax.jms.BytesMessage;
import javax.jms.ConnectionFactory;
import javax.jms.DeliveryMode;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Session;

import junit.framework.Test;

import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.JmsTestSupport;
import org.apache.activemq.broker.BrokerFactory;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.ProgressPrinter;
import org.apache.activemq.broker.TransportConnector;
import org.apache.activemq.command.ActiveMQDestination;
import org.apache.activemq.command.ActiveMQQueue;
import org.apache.activemq.memory.list.SimpleMessageList;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * 
 */
public class LoadTester extends JmsTestSupport {

    private static final Logger LOG = LoggerFactory.getLogger(LoadTester.class);
    
    protected int messageSize = 1024 * 64;
    protected int produceCount = 10000;

    protected BrokerService createBroker() throws Exception {
        return BrokerFactory.createBroker(new URI("xbean:org/apache/activemq/broker/store/loadtester.xml"));
    }

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

    public void testQueueSendThenAddConsumer() throws Exception {
        ProgressPrinter printer = new ProgressPrinter(produceCount, 20);

        ActiveMQDestination destination = new ActiveMQQueue("TEST");

        connection.setUseCompression(false);
        connection.getPrefetchPolicy().setAll(10);
        connection.start();
        Session session = connection.createSession(false, Session.DUPS_OK_ACKNOWLEDGE);
        MessageProducer producer = session.createProducer(destination);
        producer.setDeliveryMode(DeliveryMode.PERSISTENT);

        LOG.info("Sending " + produceCount + " messages that are " + (messageSize / 1024.0) + "k large, for a total of " + (produceCount * messageSize / (1024.0 * 1024.0))
                 + " megs of data.");
        // Send a message to the broker.
        long start = System.currentTimeMillis();
        for (int i = 0; i < produceCount; i++) {
            printer.increment();
            BytesMessage msg = session.createBytesMessage();
            msg.writeBytes(new byte[messageSize]);
            producer.send(msg);
        }
        long end1 = System.currentTimeMillis();

        LOG.info("Produced messages/sec: " + (produceCount * 1000.0 / (end1 - start)));

        printer = new ProgressPrinter(produceCount, 10);
        start = System.currentTimeMillis();
        MessageConsumer consumer = session.createConsumer(destination);
        for (int i = 0; i < produceCount; i++) {
            printer.increment();
            assertNotNull("Getting message: " + i, consumer.receive(20000));
        }
        end1 = System.currentTimeMillis();
        LOG.info("Consumed messages/sec: " + (produceCount * 1000.0 / (end1 - start)));

    }

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

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

}

Other ActiveMQ examples (source code examples)

Here is a short list of links related to this ActiveMQ LoadTester.java source code file:

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