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()

            assertNull(sessionRunnable.error);


            // Drain the queue
            QueueSession session = queueConnection.createQueueSession(false, Session.AUTO_ACKNOWLEDGE);
            MessageConsumer consumer = session.createConsumer(queue);
            while (consumer.receiveNoWait() != null);
            session.close();
         }
      }
      finally
      {

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Examples of javax.jms.MessageConsumer.receiveNoWait()

            assertNull(sessionRunnable.error);


            // Drain the queue
            QueueSession session = queueConnection.createQueueSession(false, Session.AUTO_ACKNOWLEDGE);
            MessageConsumer consumer = session.createConsumer(queue);
            while (consumer.receiveNoWait() != null);
            session.close();
         }
      }
      finally
      {

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Examples of javax.jms.MessageConsumer.receiveNoWait()

         MessageConsumer consumer = sessionRunnable.getConsumer();
         try
         {
            while (true)
            {
               if (consumer.receiveNoWait() != null)
                  sessionRunnable.incReceived();
            }
         }
         catch (JMSException expected)
         {

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Examples of javax.jms.MessageConsumer.receiveNoWait()

         conn = cf.createConnection();
         Session sess = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
         conn.start();
         MessageConsumer cons = sess.createConsumer(queue);
         
         while (cons.receiveNoWait() != null);
         
         
      }
      finally
      {

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Examples of javax.jms.MessageConsumer.receiveNoWait()

      //send it back
      sender2.send(msg);


      msg = (TextMessage) subscriber1.receive(2000);
      assertTrue("Subscriber1 should get a message, got " + msg, msg != null && msg.getText().equals("Message"));
      assertTrue("Subscriber2 should not get a message", subscriber2.receiveNoWait() == null);


      topicConnection1.stop();
      topicConnection1.close();
      topicConnection2.stop();
      topicConnection2.close();

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Examples of javax.jms.MessageConsumer.receiveNoWait()

         queueConnection.start();
         message = (TextMessage) receiver.receive(5000);
         assertEquals("OK", message.getText());


         // Should be no more
         assertTrue("Didn't expect anymore messages", receiver.receiveNoWait() == null);
      }
      finally
      {
         disconnect();
      }

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Examples of javax.jms.MessageConsumer.receiveNoWait()

         // Try to receive the OK message
         message = (TextMessage) receiver.receive(5000);
         assertEquals("OK", message.getText());


         // Should be no more
         assertTrue("Didn't expect anymore messages", receiver.receiveNoWait() == null);


         // Send a message that expires in 10 seconds
         message = session.createTextMessage("10 Second Expiration");
         sender.send(message, DeliveryMode.PERSISTENT, 4, 10*1000);
         // Send a message that has not expired

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Examples of javax.jms.MessageConsumer.receiveNoWait()

         assertEquals("10 Second Expiration", message.getText());
         message = (TextMessage) receiver.receive(5000);
         assertEquals("OK", message.getText());


         // Should be no more
         assertTrue("Didn't expect anymore messages", receiver.receiveNoWait() == null);
         
         // Test that JMSExpiration has no affect
         message = session.createTextMessage("5 Second Expiration");
         message.setJMSExpiration(System.currentTimeMillis() + 5*1000);
         sender.send(message, DeliveryMode.PERSISTENT, 4, 0);

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Examples of javax.jms.MessageConsumer.receiveNoWait()

         // Try to receive the OK message
         message = (TextMessage) receiver.receive(5000);
         assertEquals("5 Second Expiration", message.getText());
         message = (TextMessage) receiver.receive(5000);
         assertEquals("OK", message.getText());
         assertTrue("Didn't expect anymore messages", receiver.receiveNoWait() == null);
      }
      finally
      {
         disconnect();
      }

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Examples of javax.jms.MessageConsumer.receiveNoWait()

            try
            {
               c.start();
               Session s = c.createSession(true, Session.SESSION_TRANSACTED);
               MessageConsumer mc = s.createConsumer(queue);
               while (mc.receiveNoWait() != null);
               mc.close();
               
               MessageProducer p = s.createProducer(queue);
               Message m = s.createTextMessage("101");
               p.send(m);

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