List of receiveNoWait() Examples

Examples of receiveNoWait()

javax.jms.JMSConsumer.receiveNoWait()
Receives the next message if one is immediately available. @return the next message produced for this {@code JMSConsumer}, or null if one is not available @exception JMSRuntimeException if the JMS provider fails to receive the nextmessage due to some internal error.
javax.jms.MessageConsumer.receiveNoWait()
javax.jms.QueueReceiver.receiveNoWait()
javax.jms.TopicSubscriber.receiveNoWait()
org.apache.activemq.MessageAvailableConsumer.receiveNoWait()
org.apache.camel.ConsumerTemplate.receiveNoWait()
Receives from the endpoint, not waiting for a response if non exists.
Important: See {@link #doneUoW(Exchange)} @param endpointUri the endpoint to receive from @return the returned exchange, or null if no response
org.apache.camel.PollingConsumer.receiveNoWait()
Attempts to receive a message exchange immediately without waiting and returning null if a message exchange is not available yet. @return the message exchange if one is immediately available otherwisenull
org.jbpm.msg.db.DbMessageService.receiveNoWait()

Examples of javax.jms.MessageConsumer.receiveNoWait()

            try
            {
               c.start();
               Session s = c.createSession(true, Session.SESSION_TRANSACTED);
               MessageConsumer mc = s.createConsumer(queue);
               mc.receiveNoWait();
               mc.close();
               try
               {
                  Thread.sleep(10000);
               }

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Examples of javax.jms.MessageConsumer.receiveNoWait()

        MessageConsumer consumer = session.createConsumer(queue);


        connection.start();


        //Call receive to send the Flow On message
        consumer.receiveNoWait();


        //Wait for up to 2 seconds for message to appear
        // ignore response as we will use the findMatches afterwards just
        // incase it did take more than 2 seconds to log.
        _monitor.waitForMessage(CHANNEL_PREFIX, 2000);

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Examples of javax.jms.MessageConsumer.receiveNoWait()

            public Integer execute(Session session) throws JMSException {
                MessageConsumer consumer = session.createConsumer(session.createQueue(queueName), selector);
                Message message;
                int count = 0;
                do {
                    message = consumer.receiveNoWait();
                    if (message != null) {
                        count ++;
                    }
                } while (message != null);
                return count;

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Examples of javax.jms.MessageConsumer.receiveNoWait()


      Connection connection = JMSUtil.createConnection(InVMConnectorFactory.class.getName());
      connection.start();


      MessageConsumer consumer = JMSUtil.createConsumer(connection, queue);
      Assert.assertNull(consumer.receiveNoWait());


      connection.close();
   }


   public void testRemoveMatchingMessages() throws Exception

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Examples of javax.jms.MessageConsumer.receiveNoWait()

      message = consumer.receive(500);
      Assert.assertNotNull(message);
      Assert.assertEquals(msg_2.getJMSMessageID(), message.getJMSMessageID());
      Assert.assertEquals(unmatchingValue, message.getLongProperty(key));


      Assert.assertNull(consumer.receiveNoWait());


      connection.close();
   }


   public void testGetExpiryAddress() throws Exception

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Examples of javax.jms.MessageConsumer.receiveNoWait()

      connection.start();
      MessageConsumer consumer = session.createConsumer(queue);
      Message message = consumer.receive(500);
      Assert.assertNotNull(message);
      Assert.assertEquals(unmatchingValue, message.getLongProperty(key));
      Assert.assertNull(consumer.receiveNoWait());


      JMSUtil.consumeMessages(1, otherQueue);


      serverManager.destroyQueue(otherQueueName);

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Examples of javax.jms.MessageConsumer.receiveNoWait()


         MessageConsumer topicConsumer = consumerSession.createConsumer(HornetQServerTestCase.topic1);


         consumerConnection.start();


         Message m = topicConsumer.receiveNoWait();


         ProxyAssertSupport.assertNull(m);


         Message m1 = producerSession.createMessage();
         topicProducer.send(m1);

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Examples of javax.jms.MessageConsumer.receiveNoWait()

         topicProducer.send(m1);


         // block this thread for a while to allow ServerConsumerDelegate's delivery thread to kick in
         Thread.sleep(500);


         m = topicConsumer.receiveNoWait();


         ProxyAssertSupport.assertEquals(m1.getJMSMessageID(), m.getJMSMessageID());
      }
      finally
      {

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Examples of javax.jms.MessageConsumer.receiveNoWait()

         // To implement receiveNoWait otherwise would be very costly
         // Also other messaging systems e.g. Sun, ActiveMQ implement it this way


         Thread.sleep(500);


         TextMessage m = (TextMessage)queueConsumer.receiveNoWait();


         ProxyAssertSupport.assertEquals(tm.getText(), m.getText());
      }
      finally
      {

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Examples of javax.jms.MessageConsumer.receiveNoWait()

            ProxyAssertSupport.assertNotNull(m);
         }


         Thread.sleep(500);


         Message m = cons1.receiveNoWait();


         ProxyAssertSupport.assertNull(m);
      }
      finally
      {

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