ActiveMQ example source code file (TwoBrokerMulticastQueueTest.java)

This example ActiveMQ source code file (TwoBrokerMulticastQueueTest.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

broker_count, brokerservice, connection, connectionfactory, connectionfactory, destination, exception, exception, jmsexception, message_count, net, network, object, object, string, string, util

The ActiveMQ TwoBrokerMulticastQueueTest.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.usecases;

import java.net.URI;
import java.util.Arrays;

import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.jms.TextMessage;

import junit.framework.Test;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.CombinationTestSupport;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.command.ActiveMQQueue;
import org.apache.activemq.util.MessageIdList;
import org.apache.activemq.xbean.XBeanBrokerFactory;

public class TwoBrokerMulticastQueueTest extends CombinationTestSupport {

    public static final int MESSAGE_COUNT = 100;
    public static final int BROKER_COUNT = 2;
    public static final int CONSUMER_COUNT = 20;

    public String sendUri;
    public String recvUri;
    private BrokerService[] brokers;
    private String groupId;

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

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

    public void setUp() throws Exception {
    	groupId = getClass().getName()+"-"+System.currentTimeMillis();
    	System.setProperty("groupId", groupId);
        super.setAutoFail(true);
        super.setUp();
    }

    public void tearDown() throws Exception {
        if (brokers != null) {
            for (int i = 0; i < BROKER_COUNT; i++) {
                if (brokers[i] != null) {
                    brokers[i].stop();
                }
            }
            super.tearDown();
        }
    }

    private void doSendReceiveTest() throws Exception {
        Destination dest = new ActiveMQQueue("TEST.FOO");

        ConnectionFactory sendFactory = createConnectionFactory(sendUri);

        Connection conn = createConnection(sendFactory);
        sendMessages(conn, dest, MESSAGE_COUNT);

        Thread.sleep(500);

        ConnectionFactory recvFactory = createConnectionFactory(recvUri);
        assertEquals(MESSAGE_COUNT, receiveMessages(createConnection(recvFactory), dest, 0));
    }

    private void doMultipleConsumersConnectTest() throws Exception {
        Destination dest = new ActiveMQQueue("TEST.FOO");

        ConnectionFactory sendFactory = createConnectionFactory(sendUri);

        Connection conn = createConnection(sendFactory);
        sendMessages(conn, dest, MESSAGE_COUNT);

        Thread.sleep(500);

        ConnectionFactory recvFactory = createConnectionFactory(recvUri);
        assertEquals(MESSAGE_COUNT, receiveMessages(createConnection(recvFactory), dest, 0));

        for (int i = 0; i < (CONSUMER_COUNT - 1); i++) {
            assertEquals(0, receiveMessages(createConnection(recvFactory), dest, 200));
        }
    }

    public void initCombosForTestSendReceive() {
        addCombinationValues("sendUri", new Object[] {"tcp://localhost:61616", "tcp://localhost:61617"});
        addCombinationValues("recvUri", new Object[] {"tcp://localhost:61616", "tcp://localhost:61617"});
    }

    public void testSendReceive() throws Exception {
        createMulticastBrokerNetwork();
        doSendReceiveTest();
    }

    public void initCombosForTestMultipleConsumersConnect() {
        addCombinationValues("sendUri", new Object[] {"tcp://localhost:61616", "tcp://localhost:61617"});
        addCombinationValues("recvUri", new Object[] {"tcp://localhost:61616", "tcp://localhost:61617"});
    }

    public void testMultipleConsumersConnect() throws Exception {
        createMulticastBrokerNetwork();
        doMultipleConsumersConnectTest();
    }

    public void testSendReceiveUsingFailover() throws Exception {
        sendUri = "failover:(tcp://localhost:61616,tcp://localhost:61617)";
        recvUri = "failover:(tcp://localhost:61616,tcp://localhost:61617)";
        createMulticastBrokerNetwork();
        doSendReceiveTest();
    }

    public void testMultipleConsumersConnectUsingFailover() throws Exception {
        sendUri = "failover:(tcp://localhost:61616,tcp://localhost:61617)";
        recvUri = "failover:(tcp://localhost:61616,tcp://localhost:61617)";
        createMulticastBrokerNetwork();
        doMultipleConsumersConnectTest();
    }

    public void testSendReceiveUsingDiscovery() throws Exception {
        sendUri = "discovery:multicast://default?group="+groupId;
        recvUri = "discovery:multicast://default?group="+groupId;
        createMulticastBrokerNetwork();
        doSendReceiveTest();
    }

    public void testMultipleConsumersConnectUsingDiscovery() throws Exception {
        sendUri = "discovery:multicast://default?group="+groupId;
        recvUri = "discovery:multicast://default?group="+groupId;
        createMulticastBrokerNetwork();
        doMultipleConsumersConnectTest();
    }

    public void testSendReceiveUsingAutoAssignFailover() throws Exception {
        sendUri = "failover:(discovery:multicast:default?group=//"+groupId+")";
        recvUri = "failover:(discovery:multicast:default?group=//"+groupId+")";
        createAutoAssignMulticastBrokerNetwork();
        doSendReceiveTest();
    }

    public void testMultipleConsumersConnectUsingAutoAssignFailover() throws Exception {
        sendUri = "failover:(discovery:multicast:default?group=//"+groupId+")";
        recvUri = "failover:(discovery:multicast:default?group=//"+groupId+")";
        createAutoAssignMulticastBrokerNetwork();
        doMultipleConsumersConnectTest();
    }

    public void testSendReceiveUsingAutoAssignDiscovery() throws Exception {
        sendUri = "discovery:multicast://default?group="+groupId;
        recvUri = "discovery:multicast://default?group="+groupId;
        createAutoAssignMulticastBrokerNetwork();
        doSendReceiveTest();
    }

    public void testMultipleConsumersConnectUsingAutoAssignDiscovery() throws Exception {
        sendUri = "discovery:multicast://default?group="+groupId;
        recvUri = "discovery:multicast://default?group="+groupId;
        createAutoAssignMulticastBrokerNetwork();
        doMultipleConsumersConnectTest();
    }

    protected void createMulticastBrokerNetwork() throws Exception {
        brokers = new BrokerService[BROKER_COUNT];
        for (int i = 0; i < BROKER_COUNT; i++) {
            brokers[i] = createBroker("org/apache/activemq/usecases/multicast-broker-" + (i + 1) + ".xml");
            brokers[i].start();
        }

        // Let the brokers discover each other first
        Thread.sleep(1000);
    }

    protected void createAutoAssignMulticastBrokerNetwork() throws Exception {
        brokers = new BrokerService[BROKER_COUNT];
        for (int i = 0; i < BROKER_COUNT; i++) {
            brokers[i] = createBroker("org/apache/activemq/usecases/multicast-broker-auto.xml");
            brokers[i].start();
        }

        // Let the brokers discover each other first
        Thread.sleep(1000);
    }

    protected BrokerService createBroker(String uri) throws Exception {
        return (new XBeanBrokerFactory()).createBroker(new URI(uri));
    }

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

    protected Connection createConnection(ConnectionFactory factory) throws JMSException {
        Connection conn = factory.createConnection();
        return conn;
    }

    protected int receiveMessages(Connection conn, Destination dest, int waitTime) throws JMSException, InterruptedException {
        conn.start();
        MessageIdList list = new MessageIdList();
        Session sess = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
        MessageConsumer consumer = sess.createConsumer(dest);
        consumer.setMessageListener(list);

        if (waitTime > 0) {
            Thread.sleep(waitTime);
        } else {
            list.waitForMessagesToArrive(MESSAGE_COUNT);
        }

        conn.close();

        return list.getMessageCount();
    }

    protected void sendMessages(Connection conn, Destination dest, int count) throws JMSException {
        conn.start();
        Session sess = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
        MessageProducer prod = sess.createProducer(dest);

        for (int i = 0; i < count; i++) {
            prod.send(createTextMessage(sess, "Message " + i, 1024));
        }

        conn.close();
    }

    protected TextMessage createTextMessage(Session session, String initText, int messageSize) throws JMSException {
        TextMessage msg = session.createTextMessage();

        // Pad message text
        if (initText.length() < messageSize) {
            char[] data = new char[messageSize - initText.length()];
            Arrays.fill(data, '*');
            String str = new String(data);
            msg.setText(initText + str);

            // Do not pad message text
        } else {
            msg.setText(initText);
        }

        return msg;
    }

}