Package javax.jms

Examples of javax.jms.MessageConsumer

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    AdminModule.disconnect();

    Connection cnx = cf.createConnection("anonymous", "anonymous");
    Session sess = cnx.createSession(false, Session.AUTO_ACKNOWLEDGE);
    MessageConsumer sub = sess.createConsumer(topic);

    sub.setMessageListener(new Listener());

    cnx.start();

    System.in.read();
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    ictx.close();

    Connection cnx = cf.createConnection();
    Session sess = cnx.createSession(false, Session.AUTO_ACKNOWLEDGE);
    MessageProducer prod = sess.createProducer(queue);
    MessageConsumer cons = sess.createConsumer(queue);
    cnx.start();

    Message msg1 = sess.createMessage();
    msg1.setStringProperty("Joram#0:type=Destination,name=*",
                           "NbMsgsReceiveSinceCreation,NbMsgsSentToDMQSinceCreation");
    prod.send(msg1);
    System.out.println(" --> Monitoring message sent: " + msg1.getJMSMessageID());
   
    Message msg2 = cons.receive();
   
    System.out.println(" --> Monitoring message received: " + msg2.getJMSMessageID());
    try {
      Monitor.doReport(msg2);
    } catch (JMSException exc) {
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    protected Responder(String selector) {
      this.selector = selector;
    }
   
    public void run() {
      MessageConsumer consumer = null;
      try {
        consumer = session.createConsumer(responseQueue, " " + TaskServiceConstants.SELECTOR_NAME + " like '" + selector + "%' ");
        ObjectMessage serverMessage = (ObjectMessage) consumer.receive();
        if (serverMessage != null) {
          ((JMSTaskClientHandler) handler).messageReceived(session, readMessage(serverMessage), responseQueue, selector);
        }
      } catch (JMSException e) {
        if (!"102".equals(e.getErrorCode())) {
          throw new RuntimeException("No se pudo recibir respuesta JMS", e);
        }
        logger.info(e.getMessage());
        return;
      } catch (Exception e) {
        throw new RuntimeException("Error inesperado recibiendo respuesta JMS", e);
      } finally {
        if (consumer != null) {
          try {
            consumer.close();
          } catch (Exception e) {
            logger.info("No se pudo cerrar el consumer: " + e.getMessage());
          }
        }
      }
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    protected void subscribeToQueue(JmsServiceExporter exporter, String queueName) throws JMSException {
        Session serverSession = createSession();
        Queue queue = serverSession.createQueue(queueName);
        MessageConsumer consumer = serverSession.createConsumer(queue);
        consumer.setMessageListener(exporter);
    }
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   private void async(int ackMode, String type) {
      // Session.AUTO_ACKNOWLEDGE
      try {
         boolean transacted = false;
         Session consumerSession = connection.createSession(transacted, ackMode);
         MessageConsumer subscriber = consumerSession.createConsumer(this.topic);
         subscriber.setMessageListener(this);
         Session producerSession = connection.createSession(transacted, ackMode);
         MessageProducer publisher = producerSession.createProducer(this.topic);
         connection.start();

         for (int i=0; i < this.nmax; i++) {
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   }
  
   public void testSyncReceiver() {
      try {
         Session consumerSession = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
         MessageConsumer consumer = consumerSession.createConsumer(this.topic);
         Session publisherSession = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
         MessageProducer publisher = publisherSession.createProducer(this.topic);
         int nmax = 3;

         // test receiveNoWait()
         TextMessage[] msgIn = new TextMessage[nmax];
         Message msg2 = null;
         for (int i=0; i < nmax; i++) {
            msgIn[i] = publisherSession.createTextMessage();
            msgIn[i].setText("msg " + i);
            publisher.send(this.topic, msgIn[i]);
         }
         for (int i=0; i < nmax; i++) {
            msg2 = consumer.receiveNoWait();
            if (!(msg2 instanceof TextMessage)) {
               assertTrue("received message if of wrong type, should be TextMessage but is '" + msg2.getClass().getName() + "'", false);
            }
            assertEquals("receive(): messages are not the same", msgIn[i].getText(), ((TextMessage)msg2).getText());        
         }
         msg2 = consumer.receiveNoWait();
         if (msg2 != null) {
            assertTrue("no message was sent, so null should have been returned here but it was " + msg.toString(), false);
         }
        
         // test receive(long)
         msgIn = new TextMessage[nmax];
         for (int i=0; i < nmax; i++) {
            msgIn[i] = publisherSession.createTextMessage();
            msgIn[i].setText("msg " + i);
            publisher.send(this.topic, msgIn[i]);
         }
         for (int i=0; i < nmax; i++) {
            msg2 = consumer.receive(200L);
            if (!(msg2 instanceof TextMessage)) {
               assertTrue("received message if of wrong type, should be TextMessage but is '" + msg2.getClass().getName() + "'", false);
            }
            assertEquals("receive(): messages are not the same", msgIn[i].getText(), ((TextMessage)msg2).getText());        
         }
         msg2 = consumer.receive(200L);
         if (msg2 != null) {
            assertTrue("no message was sent, so null should have been returned here but it was " + msg.toString(), false);
         }

         // test receive()
         msgIn = new TextMessage[nmax];
         for (int i=0; i < nmax; i++) {
            msgIn[i] = publisherSession.createTextMessage();
            msgIn[i].setText("msg " + i);
            publisher.send(this.topic, msgIn[i]);
         }
         for (int i=0; i < nmax; i++) {
            msg2 = consumer.receive();
            if (!(msg2 instanceof TextMessage)) {
               assertTrue("received message if of wrong type, should be TextMessage but is '" + msg2.getClass().getName() + "'", false);
            }
            assertEquals("receive(): messages are not the same", msgIn[i].getText(), ((TextMessage)msg2).getText());        
         }
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                            selector = "JMSCorrelationID = '" + generateUniqueSelector(ret) + "'";
                        }
                       
                        ret.destination(destination);
                        MessageConsumer consumer = session.createReceiver(destination, selector);
                        ret.consumer(consumer);
                    } else {
                        // no pooled session available in either cache => create one in
                        // in the reply capable cache
                        //
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        } else {
            destination = session.createTemporaryQueue();
        }
       
        MessageConsumer consumer = session.createReceiver((Queue)destination, selector);
        return new PooledSession(session,
                                 destination,
                                 session.createSender(null),
                                 consumer);
    }
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    public void testTimeout() throws Exception {
        SingleThreadedRequestor requestor = (SingleThreadedRequestor) createRequestor(getDestinationName());

        Session session = createSession();
        MessageConsumer receiver = session.createConsumer(session.createQueue(getDestinationName()));

        // clear old messages
        while (receiver.receive(1) != null) {
            ;
        }

        requestor.oneWay(null, session.createTextMessage("bonson"), 1);
        Thread.sleep(50);
        assertNull(receiver.receive(1));

        requestor.oneWay(null, session.createTextMessage("bonson2"), -1);
        TextMessage message = (TextMessage) receiver.receive(1000);
        assertNotNull(message);
        assertEquals("bonson2", message.getText());
    }
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    public void testTimeouUsingPermanentQueue() throws Exception {
        SingleThreadedRequestor requestor = (SingleThreadedRequestor) createRequestor(getDestinationName(), getDestinationName() + ".ClientInbound");

        Session session = createSession();
        MessageConsumer receiver = session.createConsumer(session.createQueue(getDestinationName()));

        // clear old messages
        while (receiver.receive(1) != null) {
            ;
        }

        requestor.oneWay(null, session.createTextMessage("bonson"), 1);
        Thread.sleep(50);
        assertNull(receiver.receive(1));

        requestor.oneWay(null, session.createTextMessage("bonson2"), -1);
        TextMessage message = (TextMessage) receiver.receive(1000);
        assertNotNull(message);
        assertEquals("bonson2", message.getText());
    }
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