Java Code Examples for javax.jms.QueueBrowser#getEnumeration()

The following examples show how to use javax.jms.QueueBrowser#getEnumeration() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: JmsQueueBrowserTest.java From qpid-jms with Apache License 2.0

6 votes

@Test(timeout = 40000)
public void testNoMessagesBrowserHasNoElements() throws Exception {
    connection = createAmqpConnection();
    connection.start();

    Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    assertNotNull(session);
    Queue queue = session.createQueue(getDestinationName());
    session.createConsumer(queue).close();

    QueueBrowser browser = session.createBrowser(queue);
    assertNotNull(browser);

    QueueViewMBean proxy = getProxyToQueue(getDestinationName());
    assertEquals(0, proxy.getQueueSize());

    Enumeration enumeration = browser.getEnumeration();
    assertFalse(enumeration.hasMoreElements());
}

Example 2

Source File: MessageListenerTest.java From cxf with Apache License 2.0

6 votes

private static void assertNumMessagesInQueue(String message, Connection connection, Queue queue,
                                      int expectedNum, long timeout) throws JMSException, InterruptedException {
    Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    QueueBrowser browser = session.createBrowser(queue);
    int actualNum = 0;
    for (long startTime = System.currentTimeMillis(); System.currentTimeMillis() - startTime < timeout;
        Thread.sleep(100L)) {
        actualNum = 0;
        for (Enumeration<?> messages = browser.getEnumeration(); messages.hasMoreElements(); actualNum++) {
            messages.nextElement();
        }
        if (actualNum == expectedNum) {
            break;
        }
        //System.out.println("Messages in queue " + queue.getQueueName() + ": " + actualNum
        //                   + ", expecting: " + expectedNum);
    }
    browser.close();
    session.close();
    assertEquals(message + " -> number of messages on queue", expectedNum, actualNum);
}

Example 3

Source File: AbstractPersistentStatTestSupport.java From activemq-artemis with Apache License 2.0

6 votes

protected void browseTestQueueMessages(String queueName) throws Exception {
   // Start the connection
   Connection connection = cf.createConnection();
   connection.setClientID("clientId2" + queueName);
   connection.start();
   Session session = connection.createSession(false, QueueSession.AUTO_ACKNOWLEDGE);
   Queue queue = session.createQueue(queueName);

   try {
      QueueBrowser queueBrowser = session.createBrowser(queue);
      @SuppressWarnings("unchecked")
      Enumeration<Message> messages = queueBrowser.getEnumeration();
      while (messages.hasMoreElements()) {
         messages.nextElement();
      }

   } finally {
      connection.close();
   }

}

Example 4

Source File: JmsQueueBrowserTest.java From qpid-jms with Apache License 2.0

6 votes

@Test(timeout = 40000)
public void testBrowseAllInQueueTxSession() throws Exception {
    connection = createAmqpConnection();
    connection.start();

    Session session = connection.createSession(true, Session.SESSION_TRANSACTED);
    assertNotNull(session);
    Queue queue = session.createQueue(getDestinationName());
    sendToAmqQueue(5);

    QueueViewMBean proxy = getProxyToQueue(getDestinationName());
    assertEquals(5, proxy.getQueueSize());

    QueueBrowser browser = session.createBrowser(queue);
    assertNotNull(browser);
    Enumeration enumeration = browser.getEnumeration();
    int count = 0;
    while (enumeration.hasMoreElements()) {
        Message msg = (Message) enumeration.nextElement();
        assertNotNull(msg);
        LOG.debug("Recv: {}", msg);
        count++;
    }
    assertFalse(enumeration.hasMoreElements());
    assertEquals(5, count);
}

Example 5

Source File: JMSQueueBrowserTest.java From activemq-artemis with Apache License 2.0

6 votes

@Test(timeout = 40000)
public void testNoMessagesBrowserHasNoElements() throws Exception {
   Connection connection = createConnection();
   connection.start();

   Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
   assertNotNull(session);
   javax.jms.Queue queue = session.createQueue(getQueueName());
   session.createConsumer(queue).close();

   QueueBrowser browser = session.createBrowser(queue);
   assertNotNull(browser);

   Queue queueView = getProxyToQueue(getQueueName());
   assertEquals(0, queueView.getMessageCount());

   Enumeration<?> enumeration = browser.getEnumeration();
   assertFalse(enumeration.hasMoreElements());
}

Example 6

Source File: JMSUsecaseTest.java From activemq-artemis with Apache License 2.0

6 votes

@Test
public void testQueueBrowser() throws Exception {
   // Send a message to the broker.
   connection.start();
   Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
   ActiveMQDestination destination = createDestination(session, destinationType);
   MessageProducer producer = session.createProducer(destination);
   producer.setDeliveryMode(this.deliveryMode);
   sendMessages(session, producer, 5);
   producer.close();

   QueueBrowser browser = session.createBrowser((Queue) destination);
   Enumeration<?> enumeration = browser.getEnumeration();
   for (int i = 0; i < 5; i++) {
      Thread.sleep(100);
      assertTrue(enumeration.hasMoreElements());
      Message m = (Message) enumeration.nextElement();
      assertNotNull(m);
      assertEquals("" + i, ((TextMessage) m).getText());
   }
   assertFalse(enumeration.hasMoreElements());
}

Example 7

Source File: QueueBrowserIntegrationTest.java From qpid-jms with Apache License 2.0

5 votes

@Test(timeout=30000)
public void testQueueBrowserNextElementWithNoMessage() throws IOException, Exception {
    try (TestAmqpPeer testPeer = new TestAmqpPeer();) {
        Connection connection = testFixture.establishConnecton(testPeer);
        connection.start();

        testPeer.expectBegin();

        Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        Queue queue = session.createQueue("myQueue");

        // Expected the browser to create a consumer and send credit, then drain it when
        // no message is there to satisfy an internal hasMoreElements check, then send more
        // credit to reopen a window.
        testPeer.expectQueueBrowserAttach();
        testPeer.expectLinkFlow(false, false, equalTo(UnsignedInteger.valueOf(JmsDefaultPrefetchPolicy.DEFAULT_QUEUE_BROWSER_PREFETCH)));
        testPeer.expectLinkFlow(true, true, equalTo(UnsignedInteger.valueOf(JmsDefaultPrefetchPolicy.DEFAULT_QUEUE_BROWSER_PREFETCH)));
        testPeer.expectLinkFlow(false, false, equalTo(UnsignedInteger.valueOf(JmsDefaultPrefetchPolicy.DEFAULT_QUEUE_BROWSER_PREFETCH)));
        testPeer.expectDetach(true, true, true);

        QueueBrowser browser = session.createBrowser(queue);
        Enumeration<?> queueView = browser.getEnumeration();
        assertNotNull(queueView);

        try {
            queueView.nextElement();
            fail("Should have thrown an exception due to there being no more elements");
        } catch (NoSuchElementException nsee) {
            // expected
        }

        browser.close();

        testPeer.expectClose();
        connection.close();

        testPeer.waitForAllHandlersToComplete(3000);
    }
}

Example 8

Source File: QueueBrowsingTest.java From activemq-artemis with Apache License 2.0

5 votes

@Test
public void testBrowsing() throws JMSException {

   int messageToSend = 370;

   ActiveMQQueue queue = new ActiveMQQueue("TEST");
   Connection connection = factory.createConnection();
   connection.start();
   Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
   MessageProducer producer = session.createProducer(queue);

   String data = "";
   for (int i = 0; i < 1024 * 2; i++) {
      data += "x";
   }

   for (int i = 0; i < messageToSend; i++) {
      producer.send(session.createTextMessage(data));
   }

   QueueBrowser browser = session.createBrowser(queue);
   Enumeration<?> enumeration = browser.getEnumeration();
   int received = 0;
   while (enumeration.hasMoreElements()) {
      Message m = (Message) enumeration.nextElement();
      received++;
      LOG.info("Browsed message " + received + ": " + m.getJMSMessageID());
   }

   browser.close();

   assertEquals(messageToSend, received);
}

Example 9

Source File: JMSQueueBrowserTest.java From activemq-artemis with Apache License 2.0

5 votes

@Test(timeout = 60000)
public void testBrowseAllInQueue() throws Exception {
   Connection connection = createConnection();
   connection.start();

   Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
   assertNotNull(session);
   javax.jms.Queue queue = session.createQueue(getQueueName());
   sendMessages(name.getMethodName(), 5, false);

   Queue queueView = getProxyToQueue(getQueueName());
   Wait.assertEquals(5, queueView::getMessageCount);

   QueueBrowser browser = session.createBrowser(queue);
   assertNotNull(browser);
   Enumeration<?> enumeration = browser.getEnumeration();
   int count = 0;
   while (enumeration.hasMoreElements()) {
      Message msg = (Message) enumeration.nextElement();
      assertNotNull(msg);
      LOG.debug("Recv: {}", msg);
      count++;
      TimeUnit.MILLISECONDS.sleep(50);
   }
   assertFalse(enumeration.hasMoreElements());
   assertEquals(5, count);
}

Example 10

Source File: JMSQueueBrowserTest.java From activemq-artemis with Apache License 2.0

5 votes

@Test(timeout = 60000)
public void testBrowseAllInQueueZeroPrefetch() throws Exception {

   final int MSG_COUNT = 5;

   JmsConnection connection = (JmsConnection) createConnection();
   ((JmsDefaultPrefetchPolicy) connection.getPrefetchPolicy()).setAll(0);

   connection.start();

   Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
   assertNotNull(session);
   javax.jms.Queue queue = session.createQueue(getQueueName());
   sendMessages(name.getMethodName(), MSG_COUNT, false);

   Queue queueView = getProxyToQueue(getQueueName());
   Wait.assertEquals(MSG_COUNT, queueView::getMessageCount);

   QueueBrowser browser = session.createBrowser(queue);
   assertNotNull(browser);
   Enumeration<?> enumeration = browser.getEnumeration();
   int count = 0;
   while (count < MSG_COUNT && enumeration.hasMoreElements()) {
      Message msg = (Message) enumeration.nextElement();
      assertNotNull(msg);
      LOG.debug("Recv: {}", msg);
      count++;
   }

   LOG.debug("Received all expected message, checking that hasMoreElements returns false");
   assertFalse(enumeration.hasMoreElements());
   assertEquals(5, count);
}

Example 11

Source File: JmsQueueBrowserTest.java From qpid-jms with Apache License 2.0

5 votes

@Test(timeout = 60000)
public void testBrowseAllInQueueSmallPrefetch() throws Exception {
    connection = createAmqpConnection();
    ((JmsDefaultPrefetchPolicy) ((JmsConnection) connection).getPrefetchPolicy()).setQueueBrowserPrefetch(1);
    connection.start();

    final int MSG_COUNT = 30;

    Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    assertNotNull(session);
    Queue queue = session.createQueue(getDestinationName());
    sendToAmqQueue(MSG_COUNT);

    QueueViewMBean proxy = getProxyToQueue(getDestinationName());
    assertEquals(MSG_COUNT, proxy.getQueueSize());

    QueueBrowser browser = session.createBrowser(queue);
    assertNotNull(browser);
    Enumeration enumeration = browser.getEnumeration();
    int count = 0;
    while (enumeration.hasMoreElements()) {
        Message msg = (Message) enumeration.nextElement();
        assertNotNull(msg);
        LOG.debug("Recv: {}", msg);
        count++;
    }
    assertFalse(enumeration.hasMoreElements());
    assertEquals(MSG_COUNT, count);
}

Example 12

Source File: A.java From a with Apache License 2.0

5 votes

protected void executeCopy(CommandLine cmdLine) throws JMSException, ScriptException, IOException {
	Queue tq = sess.createQueue(cmdLine.getArgs()[0]);
	Queue q = sess.createQueue(cmdLine.getOptionValue(CMD_COPY_QUEUE)); // Source
	QueueBrowser qb = null;
	MessageProducer mp = sess.createProducer(tq);
	if (cmdLine.hasOption(CMD_SELECTOR)) { // Selectors
		qb = sess.createBrowser(q, cmdLine.getOptionValue(CMD_SELECTOR));
	} else {
		qb = sess.createBrowser(q);
	}
	int count = Integer.parseInt(cmdLine.getOptionValue(CMD_COUNT,
			DEFAULT_COUNT_ALL));
	int i = 0, j = 0;
	@SuppressWarnings("unchecked")
	Enumeration<Message> en = qb.getEnumeration();
	while ((i < count || count == 0) && en.hasMoreElements()) {
		Message msg = en.nextElement();
		if (msg == null) {
			break;
		} else {
			// if search is enabled
			if (cmdLine.hasOption(CMD_FIND)) {
				if (msg instanceof TextMessage) {
					String haystack = ((TextMessage) msg).getText();
					String needle = cmdLine.getOptionValue(CMD_FIND);
					if (haystack != null && haystack.contains(needle)) {
						sendWithOptionalTransformer(cmdLine, msg, mp);
						++j;
					}
				}
			} else {
				sendWithOptionalTransformer(cmdLine, msg, mp);
				++j;
			}
			++i;
		}
	}
	output(j, " msgs copied from ", cmdLine.getOptionValue(CMD_COPY_QUEUE),
			" to ", cmdLine.getArgs()[0]);
}

Example 13

Source File: JmsConsumerTest.java From activemq-artemis with Apache License 2.0

5 votes

@Test
public void testBrowserOnly() throws Exception {
   ((ActiveMQConnectionFactory) cf).setConsumerWindowSize(0);
   conn = cf.createConnection();

   Session session = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
   jBossQueue = ActiveMQJMSClient.createQueue(JmsConsumerTest.Q_NAME);
   MessageProducer producer = session.createProducer(jBossQueue);
   int noOfMessages = 10;
   for (int i = 0; i < noOfMessages; i++) {
      TextMessage textMessage = session.createTextMessage("m" + i);
      textMessage.setIntProperty("i", i);
      producer.send(textMessage);
   }

   QueueBrowser browser = session.createBrowser(jBossQueue);
   Enumeration enumMessages = browser.getEnumeration();

   for (int i = 0; i < noOfMessages; i++) {
      Assert.assertTrue(enumMessages.hasMoreElements());
      TextMessage msg = (TextMessage) enumMessages.nextElement();
      Assert.assertNotNull(msg);
      Assert.assertEquals(i, msg.getIntProperty("i"));

   }

   Assert.assertFalse(enumMessages.hasMoreElements());

   conn.close();

   // Asserting delivering count is zero is bogus since messages might still be being delivered and expired at this
   // point
   // which can cause delivering count to flip to 1
}

Example 14

Source File: JmsConsumerTest.java From activemq-artemis with Apache License 2.0

5 votes

@Test
public void testBrowserAndConsumerSimultaneousDifferentConnections() throws Exception {
   ((ActiveMQConnectionFactory) cf).setConsumerWindowSize(0);
   conn = cf.createConnection();

   Connection connConsumer = cf.createConnection();
   Session sessionConsumer = connConsumer.createSession(false, Session.AUTO_ACKNOWLEDGE);

   Session session = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
   jBossQueue = ActiveMQJMSClient.createQueue(JmsConsumerTest.Q_NAME);
   MessageProducer producer = session.createProducer(jBossQueue);
   MessageConsumer consumer = sessionConsumer.createConsumer(jBossQueue);
   int noOfMessages = 1000;
   for (int i = 0; i < noOfMessages; i++) {
      TextMessage textMessage = session.createTextMessage("m" + i);
      textMessage.setIntProperty("i", i);
      producer.send(textMessage);
   }

   connConsumer.start();

   QueueBrowser browser = session.createBrowser(jBossQueue);
   Enumeration enumMessages = browser.getEnumeration();

   for (int i = 0; i < noOfMessages; i++) {
      TextMessage msg = (TextMessage) enumMessages.nextElement();
      Assert.assertNotNull(msg);
      Assert.assertEquals(i, msg.getIntProperty("i"));

      TextMessage recvMessage = (TextMessage) consumer.receiveNoWait();
      Assert.assertNotNull(recvMessage);
      Assert.assertEquals(i, msg.getIntProperty("i"));
   }

   Message m = consumer.receiveNoWait();
   Assert.assertFalse(enumMessages.hasMoreElements());
   Assert.assertNull(m);

   conn.close();
}

Example 15

Source File: JmsQueueBrowserTest.java From qpid-jms with Apache License 2.0

5 votes

@Test(timeout = 40000)
public void testBrowseAllInQueuePrefetchOne() throws Exception {
    connection = createAmqpConnection();

    JmsConnection jmsConnection = (JmsConnection) connection;
    ((JmsDefaultPrefetchPolicy) jmsConnection.getPrefetchPolicy()).setQueueBrowserPrefetch(1);

    connection.start();

    Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    assertNotNull(session);
    Queue queue = session.createQueue(getDestinationName());
    sendToAmqQueue(5);

    QueueViewMBean proxy = getProxyToQueue(getDestinationName());
    assertEquals(5, proxy.getQueueSize());

    QueueBrowser browser = session.createBrowser(queue);
    assertNotNull(browser);
    Enumeration enumeration = browser.getEnumeration();
    int count = 0;
    while (enumeration.hasMoreElements()) {
        Message msg = (Message) enumeration.nextElement();
        assertNotNull(msg);
        LOG.debug("Recv: {}", msg);
        count++;
    }
    assertFalse(enumeration.hasMoreElements());
    assertEquals(5, count);
}

Example 16

Source File: JMSSenderBean.java From tomee with Apache License 2.0

5 votes

public int countMessagesInQueue(final String queueName) throws Exception {
    final Queue queue = jmsContext.createQueue(queueName);
    final QueueBrowser browser = jmsContext.createBrowser(queue);
    final Enumeration<?> msgEnumeration = browser.getEnumeration();
    int count = 0;
    while (msgEnumeration.hasMoreElements()) {
        msgEnumeration.nextElement();
        count++;
    }
    return count;
}

Example 17

Source File: JmsQueueTransactionTest.java From activemq-artemis with Apache License 2.0

4 votes

/**
 * Tests the queue browser. Browses the messages then the consumer tries to
 * receive them. The messages should still be in the queue even when it was
 * browsed.
 *
 * @throws Exception
 */
public void testReceiveBrowseReceive() throws Exception {
   Message[] outbound = new Message[]{session.createTextMessage("First Message"), session.createTextMessage("Second Message"), session.createTextMessage("Third Message")};

   // lets consume any outstanding messages from previous test runs
   beginTx();
   while (consumer.receive(1000) != null) {
   }
   commitTx();

   beginTx();
   producer.send(outbound[0]);
   producer.send(outbound[1]);
   producer.send(outbound[2]);
   commitTx();

   // Get the first.
   beginTx();
   assertEquals(outbound[0], consumer.receive(1000));
   consumer.close();
   commitTx();

   beginTx();
   QueueBrowser browser = session.createBrowser((Queue) destination);
   Enumeration enumeration = browser.getEnumeration();

   // browse the second
   assertTrue("should have received the second message", enumeration.hasMoreElements());
   assertEquals(outbound[1], (Message) enumeration.nextElement());

   // browse the third.
   assertTrue("Should have received the third message", enumeration.hasMoreElements());
   assertEquals(outbound[2], (Message) enumeration.nextElement());

   LOG.info("Check for more...");
   // There should be no more.
   boolean tooMany = false;
   while (enumeration.hasMoreElements()) {
      LOG.info("Got extra message: " + ((TextMessage) enumeration.nextElement()).getText());
      tooMany = true;
   }
   assertFalse(tooMany);
   LOG.info("close browser...");
   browser.close();

   LOG.info("reopen and consume...");
   // Re-open the consumer.
   consumer = resourceProvider.createConsumer(session, destination);
   // Receive the second.
   assertEquals(outbound[1], consumer.receive(1000));
   // Receive the third.
   assertEquals(outbound[2], consumer.receive(1000));
   consumer.close();

   commitTx();
}

Example 18

Source File: JMSQueueBrowserTest.java From activemq-artemis with Apache License 2.0

4 votes

@Test(timeout = 40000)
public void testQueueBrowserInTxSessionLeavesOtherWorkUnaffected() throws Exception {
   Connection connection = createConnection();
   connection.start();

   Session session = connection.createSession(true, Session.SESSION_TRANSACTED);
   assertNotNull(session);
   javax.jms.Queue queue = session.createQueue(getQueueName());
   sendMessages(name.getMethodName(), 5, false);

   Queue queueView = getProxyToQueue(getQueueName());
   Wait.assertEquals(5, queueView::getMessageCount);

   // Send some TX work but don't commit.
   MessageProducer txProducer = session.createProducer(queue);
   for (int i = 0; i < 5; ++i) {
      txProducer.send(session.createMessage());
   }

   assertEquals(5, queueView.getMessageCount());

   QueueBrowser browser = session.createBrowser(queue);
   assertNotNull(browser);
   Enumeration<?> enumeration = browser.getEnumeration();
   int count = 0;
   while (enumeration.hasMoreElements()) {
      Message msg = (Message) enumeration.nextElement();
      assertNotNull(msg);
      LOG.debug("Recv: {}", msg);
      count++;
   }

   assertFalse(enumeration.hasMoreElements());
   assertEquals(5, count);

   browser.close();

   // Now check that all browser work did not affect the session transaction.
   Wait.assertEquals(5, queueView::getMessageCount);
   session.commit();
   Wait.assertEquals(10, queueView::getMessageCount);
}

Example 19

Source File: SuperTestPayload.java From jqm with Apache License 2.0

4 votes

@Override
public void start()
{
	System.out.println("Thread context class loader is: " + Thread.currentThread().getContextClassLoader());
	System.out.println("Class class loader used for loading test class is: " + this.getClass().getClassLoader());
	int nb = 0;

	try
	{
		// Get the QCF
		Object o = NamingManager.getInitialContext(null).lookup("jms/qcf");
		System.out.println("Received a " + o.getClass());

		// Do as cast & see if no errors
		QueueConnectionFactory qcf = (QueueConnectionFactory) o;

		// Get the Queue
		Object p = NamingManager.getInitialContext(null).lookup("jms/testqueue");
		System.out.println("Received a " + p.getClass());
		Queue q = (Queue) p;

		// Now that we are sure that JNDI works, let's write a message
		System.out.println("Opening connection & session to the broker");
		Connection connection = qcf.createConnection();
		connection.start();
		Session session = connection.createSession(true, Session.AUTO_ACKNOWLEDGE);

		System.out.println("Creating producer");
		MessageProducer producer = session.createProducer(q);
		TextMessage message = session.createTextMessage("HOUBA HOP. SIGNED: MARSUPILAMI");

		System.out.println("Sending message");
		producer.send(message);
		producer.close();
		session.commit();
		System.out.println("A message was sent to the broker");

		// Browse and check the message is there
		Connection connection2 = qcf.createConnection();
		connection2.start();
		Session session2 = connection2.createSession(false, Session.AUTO_ACKNOWLEDGE);
		QueueBrowser qb = session2.createBrowser(q);
		Enumeration<TextMessage> msgs = qb.getEnumeration();
		while (msgs.hasMoreElements())
		{
			TextMessage msg = msgs.nextElement();
			System.out.println("Message received: " + msg.getText());
			nb++;
		}
		System.out.println("Browsing will end here");
		qb.close();
		System.out.println("End of browsing. Nb of message read: " + nb);

		// We are done!
		connection.close();
		connection2.close();

	} catch (Exception e)
	{
		e.printStackTrace();
	}

	if (nb == 0)
		throw new RuntimeException("test has failed - no messages were received.");
}

Example 20

Source File: JmsQueueBrowserTest.java From activemq-artemis with Apache License 2.0

4 votes

/**
 * Tests the queue browser. Browses the messages then the consumer tries to receive them. The messages should still
 * be in the queue even when it was browsed.
 *
 * @throws Exception
 */
public void testReceiveBrowseReceive() throws Exception {
   Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
   ActiveMQQueue destination = new ActiveMQQueue("TEST");
   MessageProducer producer = session.createProducer(destination);
   MessageConsumer consumer = session.createConsumer(destination);
   connection.start();

   Message[] outbound = new Message[]{session.createTextMessage("First Message"), session.createTextMessage("Second Message"), session.createTextMessage("Third Message")};

   // lets consume any outstanding messages from previous test runs
   while (consumer.receive(1000) != null) {
   }

   producer.send(outbound[0]);
   producer.send(outbound[1]);
   producer.send(outbound[2]);

   // Get the first.
   assertEquals(outbound[0], consumer.receive(1000));
   consumer.close();

   QueueBrowser browser = session.createBrowser(destination);
   Enumeration<?> enumeration = browser.getEnumeration();

   // browse the second
   assertTrue("should have received the second message", enumeration.hasMoreElements());
   assertEquals(outbound[1], enumeration.nextElement());

   // browse the third.
   assertTrue("Should have received the third message", enumeration.hasMoreElements());
   assertEquals(outbound[2], enumeration.nextElement());

   // There should be no more.
   boolean tooMany = false;
   while (enumeration.hasMoreElements()) {
      LOG.info("Got extra message: " + ((TextMessage) enumeration.nextElement()).getText());
      tooMany = true;
   }
   assertFalse(tooMany);
   browser.close();

   // Re-open the consumer.
   consumer = session.createConsumer(destination);
   // Receive the second.
   assertEquals(outbound[1], consumer.receive(1000));
   // Receive the third.
   assertEquals(outbound[2], consumer.receive(1000));
   consumer.close();
}