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ActiveMQ example source code file (ObjectMessageNotSerializableTest.java)

This example ActiveMQ source code file (ObjectMessageNotSerializableTest.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, activemqobjectmessage, connection, connection, exception, got, myobject, myobject, session, thread, thread, threading, threads, throwable, util, vector

The ActiveMQ ObjectMessageNotSerializableTest.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.util.Vector;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
import javax.jms.Connection;
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.ActiveMQSession;
import org.apache.activemq.CombinationTestSupport;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.command.ActiveMQDestination;
import org.apache.activemq.command.ActiveMQObjectMessage;
import org.apache.activemq.command.ActiveMQQueue;
import org.apache.activemq.command.ActiveMQTopic;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;


public class ObjectMessageNotSerializableTest extends CombinationTestSupport {

    private static final Logger LOG = LoggerFactory.getLogger(ObjectMessageNotSerializableTest.class);
    
    BrokerService broker;
    AtomicInteger numReceived = new AtomicInteger(0);
    final Vector<Throwable> exceptions = new Vector();

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

    public static void main(String[] args) {
        junit.textui.TestRunner.run(suite());
    }
	
	protected void setUp() throws Exception {
        exceptions.clear();
        broker = createBroker();
    }
	
	public void testSendNotSerializeableObjectMessage() throws Exception {

        final  ActiveMQDestination destination = new ActiveMQQueue("testQ");
        final MyObject obj = new MyObject("A message");

        final CountDownLatch consumerStarted = new CountDownLatch(1);

		Thread vmConsumerThread = new Thread("Consumer Thread") {
			public void run() {
				try {
                    ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory("vm://localhost");
                    factory.setOptimizedMessageDispatch(true);
                    factory.setObjectMessageSerializationDefered(true);
                    factory.setCopyMessageOnSend(false);

                    Connection connection = factory.createConnection();
		            Session session = (ActiveMQSession)connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
		            MessageConsumer consumer = session.createConsumer(destination);
		            connection.start();
                    consumerStarted.countDown();
                    ActiveMQObjectMessage message = (ActiveMQObjectMessage)consumer.receive(30000);
                    if ( message != null ) {
                        MyObject object = (MyObject)message.getObject();
                        LOG.info("Got message " + object.getMessage());
                        numReceived.incrementAndGet();
                    }
					consumer.close();
				} catch (Throwable ex) {
					exceptions.add(ex);
				}
			}
		};
        vmConsumerThread.start();

		Thread producingThread = new Thread("Producing Thread") {
            public void run() {
                try {
                    ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory("vm://localhost");
                    factory.setOptimizedMessageDispatch(true);
                    factory.setObjectMessageSerializationDefered(true);
                    factory.setCopyMessageOnSend(false);

                    Connection connection = factory.createConnection();
		            Session session = (ActiveMQSession)connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
		            MessageProducer producer = session.createProducer(destination);
                    ActiveMQObjectMessage message = (ActiveMQObjectMessage)session.createObjectMessage();
                    message.setObject(obj);
                    producer.send(message);
                	producer.close();
                } catch (Throwable ex) {
                    exceptions.add(ex);
                }
            }
		};

        assertTrue("consumers started", consumerStarted.await(10, TimeUnit.SECONDS));
		producingThread.start();

        vmConsumerThread.join();
        producingThread.join();

        assertEquals("writeObject called", 0, obj.getWriteObjectCalled());
        assertEquals("readObject called", 0, obj.getReadObjectCalled());
        assertEquals("readObjectNoData called", 0, obj.getReadObjectNoDataCalled());

        assertEquals("Got expected messages", 1, numReceived.get());
        assertTrue("no unexpected exceptions: " + exceptions, exceptions.isEmpty());
	}

    public void testSendNotSerializeableObjectMessageOverTcp() throws Exception {
        final  ActiveMQDestination destination = new ActiveMQTopic("testTopic");
        final MyObject obj = new MyObject("A message");

        final CountDownLatch consumerStarted = new CountDownLatch(3);
        final Vector<Throwable> exceptions = new Vector();
		Thread vmConsumerThread = new Thread("Consumer Thread") {
			public void run() {
				try {
                    ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory("vm://localhost");
                    factory.setOptimizedMessageDispatch(true);
                    factory.setObjectMessageSerializationDefered(true);
                    factory.setCopyMessageOnSend(false);

                    Connection connection = factory.createConnection();
		            Session session = (ActiveMQSession)connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
		            MessageConsumer consumer = session.createConsumer(destination);
		            connection.start();
                    consumerStarted.countDown();
                    ActiveMQObjectMessage message = (ActiveMQObjectMessage)consumer.receive(30000);
                    if ( message != null ) {                  
                        MyObject object = (MyObject)message.getObject();
                        LOG.info("Got message " + object.getMessage());
                        numReceived.incrementAndGet();
                    }
					consumer.close();
				} catch (Throwable ex) {
					exceptions.add(ex);
				}
			}
		};
        vmConsumerThread.start();

        Thread tcpConsumerThread = new Thread("Consumer Thread") {
			public void run() {
				try {

                    ActiveMQConnectionFactory factory =
                            new ActiveMQConnectionFactory(broker.getTransportConnectors().get(0).getConnectUri());
                    factory.setOptimizedMessageDispatch(true);

                    Connection connection = factory.createConnection();
		            Session session = (ActiveMQSession)connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
		            MessageConsumer consumer = session.createConsumer(destination);
		            connection.start();
                    consumerStarted.countDown();
                    ActiveMQObjectMessage message = (ActiveMQObjectMessage)consumer.receive(30000);
                    if ( message != null ) {
                        MyObject object = (MyObject)message.getObject();
                        LOG.info("Got message " + object.getMessage());
                        numReceived.incrementAndGet();
                        assertEquals("readObject called", 1, object.getReadObjectCalled());
                    }
					consumer.close();
				} catch (Throwable ex) {
					exceptions.add(ex);
				}
			}
		};
        tcpConsumerThread.start();


        Thread notherVmConsumerThread = new Thread("Consumer Thread") {
            public void run() {
                try {
                    ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory("vm://localhost");
                    factory.setOptimizedMessageDispatch(true);
                    factory.setObjectMessageSerializationDefered(true);
                    factory.setCopyMessageOnSend(false);

                    Connection connection = factory.createConnection();
                    Session session = (ActiveMQSession)connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
                    MessageConsumer consumer = session.createConsumer(destination);
                    connection.start();
                    consumerStarted.countDown();
                    ActiveMQObjectMessage message = (ActiveMQObjectMessage)consumer.receive(30000);
                    if ( message != null ) {
                        MyObject object = (MyObject)message.getObject();
                        LOG.info("Got message " + object.getMessage());
                        numReceived.incrementAndGet();
                    }
                    consumer.close();
                } catch (Throwable ex) {
                    exceptions.add(ex);
                }
            }
        };
        notherVmConsumerThread.start();

		Thread producingThread = new Thread("Producing Thread") {
            public void run() {
                try {
                    ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory("vm://localhost");
                    factory.setOptimizedMessageDispatch(true);
                    factory.setObjectMessageSerializationDefered(true);
                    factory.setCopyMessageOnSend(false);

                    Connection connection = factory.createConnection();
		            Session session = (ActiveMQSession)connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
		            MessageProducer producer = session.createProducer(destination);
                    ActiveMQObjectMessage message = (ActiveMQObjectMessage)session.createObjectMessage();
                    message.setObject(obj);
                    producer.send(message);
                	producer.close();
                } catch (Throwable ex) {
                    exceptions.add(ex);
                }
            }
		};

        assertTrue("consumers started", consumerStarted.await(10, TimeUnit.SECONDS));
		producingThread.start();
		
        vmConsumerThread.join();
        tcpConsumerThread.join();
        notherVmConsumerThread.join();
        producingThread.join();

        assertEquals("writeObject called", 1, obj.getWriteObjectCalled());
        assertEquals("readObject called", 0, obj.getReadObjectCalled());
        assertEquals("readObjectNoData called", 0, obj.getReadObjectNoDataCalled());

        assertEquals("Got expected messages", 3, numReceived.get());
        assertTrue("no unexpected exceptions: " + exceptions, exceptions.isEmpty());
	}

	private BrokerService createBroker() throws Exception {
	    BrokerService broker = new BrokerService();
        broker.setPersistent(false);
        broker.setUseJmx(false);
        broker.addConnector("tcp://localhost:0");
        
        broker.start();
        broker.waitUntilStarted();
        return broker;
	}

	protected void tearDown() throws Exception {
		broker.stop();
		broker.waitUntilStopped();
	}
}

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