Java Code Examples for javax.jms.Session

public void doTestSendJMSReceiveMQTT(String destinationName) throws Exception {
   final MQTTClientProvider provider = getMQTTClientProvider();
   initializeConnection(provider);
   provider.subscribe("foo/+", AT_MOST_ONCE);

   Connection connection = cf.createConnection();
   connection.start();

   Session s = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
   javax.jms.Topic topic = s.createTopic(destinationName);
   MessageProducer producer = s.createProducer(topic);

   // send retained message from JMS
   final byte[] bytes = new byte[]{1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
   BytesMessage bytesMessage = s.createBytesMessage();
   bytesMessage.writeBytes(bytes);
   producer.send(bytesMessage);

   byte[] message = provider.receive(10000);
   assertNotNull("Should get retained message", message);
   assertArrayEquals(bytes, message);

   provider.disconnect();
   connection.close();
}
 

@Test(timeout = 20000)
public void testCloseSender() throws Exception {
    try (TestAmqpPeer testPeer = new TestAmqpPeer();) {
        Connection connection = testFixture.establishConnecton(testPeer);
        testPeer.expectBegin();
        testPeer.expectSenderAttach();

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

        testPeer.expectDetach(true, true, true);
        testPeer.expectClose();

        producer.close();
        connection.close();

        testPeer.waitForAllHandlersToComplete(1000);
    }
}
 

/**
 * Create a MessageConsumer. In this overloaded function the selector is taken into account.
 * This ensures that listeners (or other extensions of this class) do not influence how the selector
 * is used: when a correlationID should be in the filter the  <code>getMessageConsumerForCorrelationId</code>
 * should be used, other wise the <code>getMessageConsumer</code> function which has no attribute for
 * <code>selector</code>. When a MessageSelector is set, it will be used when no correlation id is required.
 * @param session the Session
 * @param destination the Destination
 * @param selector the MessageSelector
 * @return MessageConsumer
 */
public MessageConsumer getMessageConsumer(Session session, Destination destination, String selector) throws NamingException, JMSException {
	if (useTopicFunctions) {
		if (useJms102()) {
			return getTopicSubscriber((TopicSession)session, (Topic)destination, selector);
		} else {
			return getTopicSubscriber(session, (Topic)destination, selector);
		}
	} else {
		if (useJms102()) {
			return getQueueReceiver((QueueSession)session, (Queue)destination, selector);
		} else {
			return session.createConsumer(destination, selector);
		}
	}
}
 

/**
 * Apply the specified acknowledge mode to the ActivationSpec object.
 * <p>This implementation applies the standard JCA 1.5 acknowledge modes
 * "Auto-acknowledge" and "Dups-ok-acknowledge". It throws an exception in
 * case of {@code CLIENT_ACKNOWLEDGE} or {@code SESSION_TRANSACTED}
 * having been requested.
 * @param bw the BeanWrapper wrapping the ActivationSpec object
 * @param ackMode the configured acknowledge mode
 * (according to the constants in {@link javax.jms.Session}
 * @see javax.jms.Session#AUTO_ACKNOWLEDGE
 * @see javax.jms.Session#DUPS_OK_ACKNOWLEDGE
 * @see javax.jms.Session#CLIENT_ACKNOWLEDGE
 * @see javax.jms.Session#SESSION_TRANSACTED
 */
protected void applyAcknowledgeMode(BeanWrapper bw, int ackMode) {
	if (ackMode == Session.SESSION_TRANSACTED) {
		throw new IllegalArgumentException("No support for SESSION_TRANSACTED: Only \"Auto-acknowledge\" " +
				"and \"Dups-ok-acknowledge\" supported in standard JCA 1.5");
	}
	else if (ackMode == Session.CLIENT_ACKNOWLEDGE) {
		throw new IllegalArgumentException("No support for CLIENT_ACKNOWLEDGE: Only \"Auto-acknowledge\" " +
				"and \"Dups-ok-acknowledge\" supported in standard JCA 1.5");
	}
	else if (bw.isWritableProperty("acknowledgeMode")) {
		bw.setPropertyValue("acknowledgeMode",
				ackMode == Session.DUPS_OK_ACKNOWLEDGE ? "Dups-ok-acknowledge" : "Auto-acknowledge");
	}
	else if (ackMode == Session.DUPS_OK_ACKNOWLEDGE) {
		// Standard JCA 1.5 "acknowledgeMode" apparently not supported (e.g. WebSphere MQ 6.0.2.1)
		throw new IllegalArgumentException("Dups-ok-acknowledge not supported by underlying provider");
	}
}
 

private void sendJMSMessageToTestingMessageBean(Object messageData) throws JMSException, NamingException {
    Context c = new InitialContext();
    ConnectionFactory cf = (ConnectionFactory) c.lookup("java:comp/env/jms/TestingMessageBeanFactory");
    Connection conn = null;
    Session s = null;
    try {
        conn = cf.createConnection();
        s = conn.createSession(false, s.AUTO_ACKNOWLEDGE);
        Destination destination = (Destination) c.lookup("java:comp/env/jms/TestingMessageBean");
        MessageProducer mp = s.createProducer(destination);
        mp.send(createJMSMessageForjmsTestingMessageBean(s, messageData));
    } finally {
        if (s != null) {
            try {
                s.close();
            } catch (JMSException e) {
                Logger.getLogger(this.getClass().getName()).log(Level.WARNING, "Cannot close session", e);
            }
        }
        if (conn != null) {
            conn.close();
        }
    }
}
 

@Test
public void testGetSelector() throws Exception {
   Connection consumerConnection = null;

   try {
      consumerConnection = createConnection();

      Session consumerSession = consumerConnection.createSession(false, Session.AUTO_ACKNOWLEDGE);

      String selector = "JMSType = 'something'";

      MessageConsumer topicConsumer = consumerSession.createConsumer(ActiveMQServerTestCase.topic1, selector);

      ProxyAssertSupport.assertEquals(selector, topicConsumer.getMessageSelector());
   } finally {
      if (consumerConnection != null) {
         consumerConnection.close();
      }
   }
}
 

@Test
public void testUnsubscribeDurable() throws Exception {
   conn = cf.createConnection();
   conn.setClientID("C1");
   conn.start();
   Session session = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);

   MessageConsumer cons = session.createSharedDurableConsumer(topic, "c1");

   MessageProducer prod = session.createProducer(topic);

   for (int i = 0; i < 100; i++) {
      prod.send(session.createTextMessage("msg" + i));
   }

   Assert.assertNotNull(cons.receive(5000));

   cons.close();

   session.unsubscribe("c1");

   cons = session.createSharedDurableConsumer(topic, "c1");

   // it should be null since the queue was deleted through unsubscribe
   Assert.assertNull(cons.receiveNoWait());
}
 

@Test
public void publishEmptyMessage() throws Exception
{
    Map<String, Object> messageBody = new HashMap<>();
    messageBody.put("address", QUEUE_NAME);

    getHelper().submitRequest("virtualhost/publishMessage",
                              "POST",
                              Collections.singletonMap("message", messageBody),
                              SC_OK);

    Connection connection = getConnection();
    try
    {
        connection.start();
        Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        Queue queue = session.createQueue(QUEUE_NAME);
        MessageConsumer consumer = session.createConsumer(queue);
        Message message = consumer.receive(getReceiveTimeout());
        assertThat(message, is(notNullValue()));
    }
    finally
    {
        connection.close();
    }
}
 

public Map<String,Object> updateEntityUsingAmqpManagementAndReceiveResponse(final String name,
                                                              final String type,
                                                              Map<String, Object> attributes,
                                                              final Session session)
        throws JMSException
{

    Destination replyToDestination;
    Destination replyConsumerDestination;
    if (_protocol == Protocol.AMQP_1_0)
    {
        replyToDestination = session.createTemporaryQueue();
        replyConsumerDestination = replyToDestination;
    }
    else
    {
        replyToDestination = session.createQueue(AMQP_0_X_REPLY_TO_DESTINATION);
        replyConsumerDestination = session.createQueue(AMQP_0_X_CONSUMER_REPLY_DESTINATION);
    }

    MessageConsumer consumer = session.createConsumer(replyConsumerDestination);

    updateEntityUsingAmqpManagement(name, type, attributes, replyToDestination, session);

    return receiveManagementResponse(consumer, replyToDestination, 200);
}
 

@Test
public void testDeliveringStats() throws Exception {
   AtomicLong publishedMessageSize = new AtomicLong();

   Connection connection = cf.createConnection();
   connection.start();
   Session session = connection.createSession(false, Session.CLIENT_ACKNOWLEDGE);
   MessageProducer producer = session.createProducer(session.createQueue(defaultQueueName));
   producer.send(session.createTextMessage("test"));

   verifyPendingStats(defaultQueueName, 1, publishedMessageSize.get());
   verifyPendingDurableStats(defaultQueueName, 1, publishedMessageSize.get());
   verifyDeliveringStats(defaultQueueName, 0, 0);

   MessageConsumer consumer = session.createConsumer(session.createQueue(defaultQueueName));
   Message msg = consumer.receive();
   verifyDeliveringStats(defaultQueueName, 1, publishedMessageSize.get());
   msg.acknowledge();

   verifyPendingStats(defaultQueueName, 0, 0);
   verifyPendingDurableStats(defaultQueueName, 0, 0);
   verifyDeliveringStats(defaultQueueName, 0, 0);

   connection.close();
}
 

protected CountDownLatch asyncSendTo(final ActiveMQQueue queue, final String message) throws JMSException {
   final CountDownLatch done = new CountDownLatch(1);
   new Thread("Send thread.") {
      @Override
      public void run() {
         Session session = null;
         try {
            session = flowControlConnection.createSession(false, Session.AUTO_ACKNOWLEDGE);
            MessageProducer producer = session.createProducer(queue);
            producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
            producer.send(session.createTextMessage(message));
            done.countDown();
         } catch (JMSException e) {
            e.printStackTrace();
         } finally {
            safeClose(session);
         }
      }
   }.start();
   return done;
}
 

/**
 * Create a browser
 *
 * @param queue           The queue
 * @param messageSelector The message selector
 * @return The browser
 * @throws JMSException Thrown if an error occurs
 */
@Override
public QueueBrowser createBrowser(final Queue queue, final String messageSelector) throws JMSException {
   if (cri.getType() == ActiveMQRAConnectionFactory.TOPIC_CONNECTION || cri.getType() == ActiveMQRAConnectionFactory.XA_TOPIC_CONNECTION) {
      throw new IllegalStateException("Cannot create browser for javax.jms.TopicSession");
   }

   Session session = getSessionInternal();

   if (ActiveMQRALogger.LOGGER.isTraceEnabled()) {
      ActiveMQRALogger.LOGGER.trace("createBrowser " + session + " queue=" + queue + " selector=" + messageSelector);
   }

   QueueBrowser result = session.createBrowser(queue, messageSelector);

   if (ActiveMQRALogger.LOGGER.isTraceEnabled()) {
      ActiveMQRALogger.LOGGER.trace("createdBrowser " + session + " browser=" + result);
   }

   return result;
}
 

@Test
public void testProduceRateToTopic() throws Exception {

    connection = createActiveMQConnection();
    Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    Topic topic = session.createTopic(getDestinationName());

    // Warm Up the broker.
    produceMessages(topic, MSG_COUNT);

    List<Long> sendTimes = new ArrayList<Long>();
    long cumulative = 0;

    for (int i = 0; i < NUM_RUNS; ++i) {
        long result = produceMessages(topic, MSG_COUNT);
        sendTimes.add(result);
        cumulative += result;
        LOG.info("Time to send {} topic messages: {} ms", MSG_COUNT, result);
    }

    long smoothed = cumulative / NUM_RUNS;
    LOG.info("Smoothed send time for {} messages: {}", MSG_COUNT, smoothed);
}
 

protected void readMessagesOnBroker(String queueName, Connection connection, int count, AtomicInteger sequence, BiConsumer<Integer, Message> additionalCheck) throws Exception {
   Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
   Queue queue = session.createQueue(queueName);
   MessageConsumer consumer = session.createConsumer(queue);

   for (int i = 0; i < MESSAGE_COUNT; ++i) {
      Message message = consumer.receive(RECEIVE_TIMEOUT);
      assertNotNull(message);
      LOG.debug("Read message #{}: type = {}", i, message.getClass().getSimpleName());
      String gid = message.getStringProperty("JMSXGroupID");
      int seq = message.getIntProperty("JMSXGroupSeq");
      LOG.debug("Message assigned JMSXGroupID := {}", gid);
      LOG.debug("Message assigned JMSXGroupSeq := {}", seq);
      assertEquals("Sequence order should match", sequence.incrementAndGet(), seq);
      if (additionalCheck != null) {
         additionalCheck.accept(i, message);
      }
   }

   session.close();
}
 

private void addSubscription(String subscriptionName, Session session)
{
    if(_testSubscriptions.putIfAbsent(subscriptionName, session) != null)
    {
        throw new DistributedTestException("Subscribing session '" + subscriptionName + "' is already registered");
    }
}
 

private void internalTestSendDirectToQueue(RoutingType routingType) throws Exception {

      String address = "test";
      String queue1Name = "queue1";
      String queue2Name = "queue2";

      createQueue(routingType, address, queue1Name);
      createQueue(routingType, address, queue2Name);

      try (ActiveMQConnectionFactory cf = new ActiveMQConnectionFactory("tcp://localhost:61616"); Connection connection = cf.createConnection("admin", "admin");) {

         // send messages to queue
         Session session = createSession(connection);

         Destination queue1 = session.createQueue(CompositeAddress.toFullyQualified(address, queue1Name));
         Destination queue2 = session.createQueue(CompositeAddress.toFullyQualified(address, queue2Name));

         MessageConsumer consumer1 = session.createConsumer(queue1);
         MessageConsumer consumer2 = session.createConsumer(queue2);

         new Producer()
            .setDestination((routingType == RoutingType.ANYCAST ? ActiveMQDestination.QUEUE_QUALIFIED_PREFIX : ActiveMQDestination.TOPIC_QUALIFIED_PREFIX) + CompositeAddress.toFullyQualified(address, queue1Name))
            .setMessageCount(5)
            .setUser("admin")
            .setPassword("admin")
            .execute(new TestActionContext());

         assertNull(consumer2.receive(1000));
         assertNotNull(consumer1.receive(1000));
      }
   }
 

@Test
public void testSendTextToQueue() throws Exception {
    PutJMS putJms = new PutJMS();
    TestRunner putRunner = TestRunners.newTestRunner(putJms);
    putRunner.setProperty(JmsProperties.JMS_PROVIDER, JmsProperties.ACTIVEMQ_PROVIDER);
    putRunner.setProperty(JmsProperties.URL, "vm://localhost?broker.persistent=false");
    putRunner.setProperty(JmsProperties.DESTINATION_TYPE, JmsProperties.DESTINATION_TYPE_QUEUE);
    putRunner.setProperty(JmsProperties.DESTINATION_NAME, "queue.testing");
    putRunner.setProperty(JmsProperties.ACKNOWLEDGEMENT_MODE, JmsProperties.ACK_MODE_AUTO);

    WrappedMessageProducer wrappedProducer = JmsFactory.createMessageProducer(putRunner.getProcessContext(), true);
    final Session jmsSession = wrappedProducer.getSession();
    final MessageProducer producer = wrappedProducer.getProducer();
    final Message message = jmsSession.createTextMessage("Hello World");

    producer.send(message);
    jmsSession.commit();

    GetJMSQueue getJmsQueue = new GetJMSQueue();
    TestRunner runner = TestRunners.newTestRunner(getJmsQueue);
    runner.setProperty(JmsProperties.JMS_PROVIDER, JmsProperties.ACTIVEMQ_PROVIDER);
    runner.setProperty(JmsProperties.URL, "vm://localhost?broker.persistent=false");
    runner.setProperty(JmsProperties.DESTINATION_NAME, "queue.testing");
    runner.setProperty(JmsProperties.ACKNOWLEDGEMENT_MODE, JmsProperties.ACK_MODE_AUTO);

    runner.run();

    List<MockFlowFile> flowFiles = runner
            .getFlowFilesForRelationship(new Relationship.Builder().name("success").build());

    assertTrue(flowFiles.size() == 1);
    MockFlowFile successFlowFile = flowFiles.get(0);
    successFlowFile.assertContentEquals("Hello World");
    successFlowFile.assertAttributeEquals("jms.JMSDestination", "queue.testing");
    producer.close();
    jmsSession.close();
}
 

private int drain(Connection connection, String queueName) throws JMSException
{
    int counter = 0;
    Session session = null;
    try
    {
        session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        MessageConsumer messageConsumer = session.createConsumer(session.createQueue(queueName));
        try
        {
            while (messageConsumer.receive(_drainPollTimeout) != null)
            {
                counter++;
            }
        }
        finally
        {
            messageConsumer.close();
        }
    }
    finally
    {
        if (session != null)
        {
            session.close();
        }
    }
    return counter;
}
 

private void testJmsConnection(final javax.jms.Connection connection) throws JMSException {
    final Session session = connection.createSession(false, Session.DUPS_OK_ACKNOWLEDGE);
    final Topic topic = session.createTopic("test");
    final MessageProducer producer = session.createProducer(topic);
    producer.send(session.createMessage());
    producer.close();
    session.close();
    connection.close();
}
 

@Test
public void testTempDestinations() throws Exception {
   ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory("vm://localhost");
   Connection conn = factory.createQueueConnection("jdoe", "sunflower");
   Session sess = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
   conn.start();
   Queue queue = sess.createTemporaryQueue();

   MessageProducer producer = sess.createProducer(queue);
   MessageConsumer consumer = sess.createConsumer(queue);

   producer.send(sess.createTextMessage("test"));
   Message msg = consumer.receive(1000);
   assertNotNull(msg);
}
 

public void internalTestDurableSubscriber(final boolean largeMessage, final int batchSize) throws Exception {
   JMSBridgeImpl bridge = null;

   try {
      final int NUM_MESSAGES = 10;

      bridge = new JMSBridgeImpl(cff0, cff1, sourceTopicFactory, targetQueueFactory, null, null, null, null, null, 5000, 10, QualityOfServiceMode.AT_MOST_ONCE, batchSize, -1, "subTest", "clientid123", false).setBridgeName("test-bridge");

      bridge.start();

      sendMessages(cf0, sourceTopic, 0, NUM_MESSAGES, true, largeMessage);

      checkAllMessageReceivedInOrder(cf1, targetQueue, 0, NUM_MESSAGES, largeMessage);
      Assert.assertEquals(0L, bridge.getAbortedMessageCount());
      Assert.assertEquals("We didn't get the correct number processed messages", NUM_MESSAGES, bridge.getMessageCount());
   } finally {
      if (bridge != null) {
         bridge.stop();
      }

      // Now unsubscribe
      Connection conn = cf0.createConnection();
      conn.setClientID("clientid123");
      Session sess = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
      sess.unsubscribe("subTest");
      conn.close();
   }
}
 

@Test(timeout=20000)
public void testRollbackErrorCoordinatorClosedOnCommit() throws Exception {
    try (TestAmqpPeer testPeer = new TestAmqpPeer();) {
        Connection connection = testFixture.establishConnecton(testPeer);
        connection.start();

        testPeer.expectBegin();
        testPeer.expectCoordinatorAttach();

        Binary txnId1 = new Binary(new byte[]{ (byte) 5, (byte) 6, (byte) 7, (byte) 8});
        Binary txnId2 = new Binary(new byte[]{ (byte) 1, (byte) 2, (byte) 3, (byte) 4});

        testPeer.expectDeclare(txnId1);
        testPeer.remotelyCloseLastCoordinatorLinkOnDischarge(txnId1, false, true, txnId2);
        testPeer.expectCoordinatorAttach();
        testPeer.expectDeclare(txnId2);
        testPeer.expectDischarge(txnId2, true);

        Session session = connection.createSession(true, Session.SESSION_TRANSACTED);

        try {
            session.commit();
            fail("Transaction should have rolled back");
        } catch (TransactionRolledBackException ex) {
            LOG.info("Caught expected TransactionRolledBackException");
        }

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

        testPeer.waitForAllHandlersToComplete(1000);
    }
}
 

@Test
public void sendToUnknownQueue() throws Exception
{
    QueueConnection connection = ((QueueConnection) getConnectionBuilder().build());

    try
    {
        QueueSession session = connection.createQueueSession(false, Session.AUTO_ACKNOWLEDGE);
        Queue invalidDestination = session.createQueue("unknown");

        try
        {
            QueueSender sender = session.createSender(invalidDestination);
            sender.send(session.createMessage());
            fail("Exception not thrown");
        }
        catch (InvalidDestinationException e)
        {
            //PASS
        }
    }
    finally
    {
        connection.close();
    }
}
 

private void produceMsg(int numMessages) throws Exception
{
  // Create a ConnectionFactory
  ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory("vm://localhost");

  // Create a Connection
  Connection connection = connectionFactory.createConnection();
  connection.start();

  // Create a Session
  Session session = connection.createSession(false, Session.CLIENT_ACKNOWLEDGE);

  // Create the destination (Topic or Queue)
  Destination destination = session.createQueue("TEST.FOO");

  // Create a MessageProducer from the Session to the Topic or Queue
  MessageProducer producer = session.createProducer(destination);
  producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);

  // Create a messages
  String text = "Hello world! From tester producer";
  TextMessage message = session.createTextMessage(text);
  for (int i = 0; i < numMessages; i++) {
    producer.send(message);
  }

  // Clean up
  session.close();
  connection.close();

}
 

/**
 * Create a message consumer
 *
 * @param destination     The destination
 * @param messageSelector The message selector
 * @param noLocal         If true inhibits the delivery of messages published by its own connection
 * @return The message consumer
 * @throws JMSException Thrown if an error occurs
 */
@Override
public MessageConsumer createConsumer(final Destination destination,
                                      final String messageSelector,
                                      final boolean noLocal) throws JMSException {
   lock();
   try {
      Session session = getSessionInternal();

      if (ActiveMQRALogger.LOGGER.isTraceEnabled()) {
         ActiveMQRALogger.LOGGER.trace("createConsumer " + session +
                                          " dest=" +
                                          destination +
                                          " messageSelector=" +
                                          messageSelector +
                                          " noLocal=" +
                                          noLocal);
      }

      MessageConsumer result = session.createConsumer(destination, messageSelector, noLocal);
      result = new ActiveMQRAMessageConsumer(result, this);

      if (ActiveMQRALogger.LOGGER.isTraceEnabled()) {
         ActiveMQRALogger.LOGGER.trace("createdConsumer " + session + " consumer=" + result);
      }

      addConsumer(result);

      return result;
   } finally {
      unlock();
   }
}
 

@Test(timeout=20000)
public void testJMSExceptionOnRollbackWhenCoordinatorRemotelyClosed() throws Exception {
    try (TestAmqpPeer testPeer = new TestAmqpPeer();) {
        Connection connection = testFixture.establishConnecton(testPeer);
        connection.start();

        testPeer.expectBegin();
        testPeer.expectCoordinatorAttach();

        Binary txnId = new Binary(new byte[]{ (byte) 5, (byte) 6, (byte) 7, (byte) 8});
        testPeer.expectDeclare(txnId);
        testPeer.remotelyCloseLastCoordinatorLink();

        Session session = connection.createSession(true, Session.SESSION_TRANSACTED);

        testPeer.waitForAllHandlersToComplete(2000);

        testPeer.expectCoordinatorAttach();
        testPeer.expectDeclare(txnId);

        testPeer.expectDischarge(txnId, true);

        try {
            session.rollback();
            fail("Rollback should have thrown a JMSException");
        } catch (JMSException ex) {
            LOG.info("Caught expected JMSException");
        }

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

        testPeer.waitForAllHandlersToComplete(1000);
    }
}
 

/**
 * Method to establish the connection with the given Queue, with message persistance as specified.
 * This must be called before calling pushMessage() to send messages.
 *
 * @param persistMessage whether or not messages need to be persisted
 * @param queueName name of the queue
 * @throws JMSException if connection to the queue fails
 */
public void connect(String queueName, boolean persistMessage) throws JMSException {
    connection = connectionFactory.createConnection();
    connection.start();
    session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    Destination destination = session.createQueue(queueName);
    producer = session.createProducer(destination);
    if (persistMessage) {
        producer.setDeliveryMode(DeliveryMode.PERSISTENT);
    } else {
        producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
    }
}
 

@Override
public Session createSession(boolean transacted, int acknowledgeMode) throws JMSException {
    checkClosedOrFailed();
    createJmsConnection();
    int ackMode = getSessionAcknowledgeMode(transacted, acknowledgeMode);
    JmsSession result = new JmsSession(this, getNextSessionId(), ackMode);
    if (started.get()) {
        result.start();
    }
    return result;
}
 

/**
 * The test queue is filled with QUEUE_SIZE test messages, each with a
 * numeric id property beginning at 0. Once the queue is filled, the last
 * message (id = QUEUE_SIZE-1) is moved to another queue. The test succeeds
 * if the move completes within TEST_TIMEOUT milliseconds.
 *
 * @throws Exception
 */
public void testMoveMessages() throws Exception {
   final int QUEUE_SIZE = 30000;
   final String MOVE_TO_DESTINATION_NAME = getDestinationString() + ".dest";
   final long TEST_TIMEOUT = 20000;

   // Populate a test queue with uniquely-identifiable messages.
   Connection conn = createConnection();
   try {
      conn.start();
      Session session = conn.createSession(true, Session.SESSION_TRANSACTED);
      MessageProducer producer = session.createProducer(destination);
      for (int i = 0; i < QUEUE_SIZE; i++) {
         Message message = session.createMessage();
         message.setIntProperty("id", i);
         producer.send(message);
      }
      session.commit();
   } finally {
      conn.close();
   }

   // Access the implementation of the test queue and move the last message
   // to another queue. Verify that the move occurred within the limits of
   // the test.
   Queue queue = (Queue) broker.getRegionBroker().getDestinationMap().get(destination);

   ConnectionContext context = new ConnectionContext(new NonCachedMessageEvaluationContext());
   context.setBroker(broker.getBroker());
   context.getMessageEvaluationContext().setDestination(destination);

   long startTimeMillis = System.currentTimeMillis();
   Assert.assertEquals(1, queue.moveMatchingMessagesTo(context, "id=" + (QUEUE_SIZE - 1), createDestination(MOVE_TO_DESTINATION_NAME)));

   long durationMillis = System.currentTimeMillis() - startTimeMillis;

   LOG.info("It took " + durationMillis + "ms to move the last message from a queue a " + QUEUE_SIZE + " messages.");

   Assert.assertTrue("Moving the message took too long: " + durationMillis + "ms", durationMillis < TEST_TIMEOUT);
}
 

@Test
public void incomingMessageUsesMessageConverter() throws JMSException {
	javax.jms.Message jmsMessage = mock(javax.jms.Message.class);
	Session session = mock(Session.class);
	MessageConverter messageConverter = mock(MessageConverter.class);
	given(messageConverter.fromMessage(jmsMessage)).willReturn("FooBar");
	MessagingMessageListenerAdapter listener = getSimpleInstance("simple", Message.class);
	listener.setMessageConverter(messageConverter);
	listener.onMessage(jmsMessage, session);
	verify(messageConverter, times(1)).fromMessage(jmsMessage);
	assertEquals(1, sample.simples.size());
	assertEquals("FooBar", sample.simples.get(0).getPayload());
}