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ActiveMQ example source code file (QueueSubscriptionTest.java)

This example ActiveMQ source code file (QueueSubscriptionTest.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, activemqdestination, exception, exception, jmsmultipleclientstestsupport, kb, kb, mb, mb, messages, queuesubscriptiontest

The ActiveMQ QueueSubscriptionTest.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;

import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.JmsMultipleClientsTestSupport;
import org.apache.activemq.command.ActiveMQDestination;

public class QueueSubscriptionTest extends JmsMultipleClientsTestSupport {
    protected int messageCount = 1000; // 1000 Messages per producer
    protected int prefetchCount = 10;

    protected void setUp() throws Exception {
        super.setUp();
        durable = false;
        topic = false;
    }

    public void testManyProducersOneConsumer() throws Exception {
        consumerCount = 1;
        producerCount = 10;
        messageCount = 100;
        messageSize = 1; // 1 byte
        prefetchCount = 10;

        doMultipleClientsTest();

        assertTotalMessagesReceived(messageCount * producerCount);
    }

    public void testOneProducerTwoConsumersSmallMessagesOnePrefetch() throws Exception {
        consumerCount = 2;
        producerCount = 1;
        messageCount = 1000;
        messageSize = 1024; // 1 Kb
        configurePrefetchOfOne();

        doMultipleClientsTest();

        assertTotalMessagesReceived(messageCount * producerCount);
    }

    public void testOneProducerTwoConsumersSmallMessagesLargePrefetch() throws Exception {
        consumerCount = 2;
        producerCount = 1;
        messageCount = 1000;
        prefetchCount = messageCount * 2;
        messageSize = 1024; // 1 Kb

        doMultipleClientsTest();

        assertTotalMessagesReceived(messageCount * producerCount);
    }

    public void testOneProducerTwoConsumersLargeMessagesOnePrefetch() throws Exception {
        consumerCount = 2;
        producerCount = 1;
        messageCount = 10;
        messageSize = 1024 * 1024 * 1; // 2 MB
        configurePrefetchOfOne();

        doMultipleClientsTest();

        assertTotalMessagesReceived(messageCount * producerCount);
    }

    public void testOneProducerTwoConsumersLargeMessagesLargePrefetch() throws Exception {
        consumerCount = 2;
        producerCount = 1;
        messageCount = 10;
        prefetchCount = messageCount * 2;
        messageSize = 1024 * 1024 * 1; // 2 MB

        doMultipleClientsTest();

        assertTotalMessagesReceived(messageCount * producerCount);
    }

    public void testOneProducerManyConsumersFewMessages() throws Exception {
        consumerCount = 50;
        producerCount = 1;
        messageCount = 10;
        messageSize = 1; // 1 byte
        prefetchCount = 10;

        doMultipleClientsTest();

        assertTotalMessagesReceived(messageCount * producerCount);
    }

    public void testOneProducerManyConsumersManyMessages() throws Exception {
        consumerCount = 50;
        producerCount = 1;
        messageCount = 1000;
        messageSize = 1; // 1 byte
        prefetchCount = messageCount / consumerCount;
        allMessagesList.setMaximumDuration(allMessagesList.getMaximumDuration() * 20);
        doMultipleClientsTest();

        assertTotalMessagesReceived(messageCount * producerCount);
    }

    public void testManyProducersManyConsumers() throws Exception {
        consumerCount = 200;
        producerCount = 50;
        messageCount = 100;
        messageSize = 1; // 1 byte
        prefetchCount = 100;
        allMessagesList.setMaximumDuration(allMessagesList.getMaximumDuration() * 20);
        doMultipleClientsTest();

        assertTotalMessagesReceived(messageCount * producerCount);
    }

    protected void configurePrefetchOfOne() {
        prefetchCount = 1;

        // this is gonna be a bit slow what with the low prefetch so bump up the
        // wait time
        allMessagesList.setMaximumDuration(allMessagesList.getMaximumDuration() * 20);
    }

    public void doMultipleClientsTest() throws Exception {
        // Create destination
        final ActiveMQDestination dest = createDestination();

        // Create consumers
        ActiveMQConnectionFactory consumerFactory = (ActiveMQConnectionFactory)createConnectionFactory();
        consumerFactory.getPrefetchPolicy().setAll(prefetchCount);

        startConsumers(consumerFactory, dest);

        startProducers(dest, messageCount);

        // Wait for messages to be received. Make it proportional to the
        // messages delivered.
        int totalMessageCount = messageCount * producerCount;
        if (dest.isTopic()) {
            totalMessageCount *= consumerCount;
        }
        waitForAllMessagesToBeReceived(totalMessageCount);
    }
}

Other ActiveMQ examples (source code examples)

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

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