ActiveMQ example source code file (KahaBulkLoadingTest.java)

This example ActiveMQ source code file (KahaBulkLoadingTest.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

activemqqueue, atomicboolean, atomicboolean, brokerservice, brokerservice, bytesmessage, consumed, exception, file, io, ioexception, kahadbstore, kahadbstore, net, network, test, test

The ActiveMQ KahaBulkLoadingTest.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.store.kahadb.perf;

import java.io.File;
import java.io.IOException;
import java.net.URISyntaxException;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;

import javax.jms.BytesMessage;
import javax.jms.ConnectionFactory;
import javax.jms.DeliveryMode;
import javax.jms.Message;
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.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.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.activemq.store.kahadb.KahaDBStore;

/**
 * This tests bulk loading and unloading of messages to a Queue.s
 * 
 * 
 */
public class KahaBulkLoadingTest extends JmsTestSupport {

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

    protected int messageSize = 1024 * 4;

    protected BrokerService createBroker() throws Exception {
        BrokerService broker = new BrokerService();
        KahaDBStore kaha = new KahaDBStore();
        kaha.setDirectory(new File("target/activemq-data/kahadb"));
        // kaha.deleteAllMessages();
        broker.setPersistenceAdapter(kaha);
        broker.addConnector("tcp://localhost:0");
        return broker;
    }

    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 {
        long start;
        long end;
        ActiveMQDestination destination = new ActiveMQQueue("TEST");

        connection.setUseCompression(false);
        connection.getPrefetchPolicy().setAll(10);
        connection.start();

        Session session = connection.createSession(false, Session.DUPS_OK_ACKNOWLEDGE);

        LOG.info("Receiving messages that are in the queue");
        MessageConsumer consumer = session.createConsumer(destination);
        BytesMessage msg = (BytesMessage)consumer.receive(2000);
        int consumed = 0;
        if( msg!=null ) {
            consumed++;
        }
        while (true) {
            int counter = 0;
            if (msg == null) {
                break;
            }
            end = start = System.currentTimeMillis();
            int size = 0;
            while ((end - start) < 5000) {
                msg = (BytesMessage)consumer.receive(5000);
                if (msg == null) {
                    break;
                }
                counter++;
                consumed++;
                end = System.currentTimeMillis();
                size += msg.getBodyLength();
            }
            LOG.info("Consumed: " + (counter * 1000.0 / (end - start)) + " " + " messages/sec, " + (1.0 * size / (1024.0 * 1024.0)) * ((1000.0 / (end - start))) + " megs/sec ");
        }
        consumer.close();
        LOG.info("Consumed " + consumed + " messages from the queue.");

        MessageProducer producer = session.createProducer(destination);
        producer.setDeliveryMode(DeliveryMode.PERSISTENT);

        LOG.info("Sending messages that are " + (messageSize / 1024.0) + "k large");
        // Send a message to the broker.
        start = System.currentTimeMillis();

        final AtomicBoolean stop = new AtomicBoolean();
        Runtime.getRuntime().addShutdownHook(new Thread() {
            @Override
            public void run() {
                stop.set(true);
            }
        });

        int produced = 0;
        while (!stop.get()) {
            end = start = System.currentTimeMillis();
            int produceCount = 0;
            while ((end - start) < 5000 && !stop.get()) {
                BytesMessage bm = session.createBytesMessage();
                bm.writeBytes(new byte[messageSize]);
                producer.send(bm);
                produceCount++;
                produced++;
                end = System.currentTimeMillis();
            }
            LOG.info("Produced: " + (produceCount * 1000.0 / (end - start)) + " messages/sec, " + (1.0 * produceCount * messageSize / (1024.0 * 1024.0)) * ((1000.0 / (end - start))) + " megs/sec");
        }
        LOG.info("Prodcued " + produced + " messages to the queue.");

    }

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

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

}