Examples of org.hornetq.api.core.client.ClientConsumer

org.hornetq.api.core.client.ClientConsumer
A ClientConsumer receives messages from HornetQ queues.
Messages can be consumed synchronously by using the receive() methods which will block until a message is received (or a timeout expires) or asynchronously by setting a {@link MessageHandler}.
These 2 types of consumption are exclusive: a ClientConsumer with a MessageHandler set will throw HornetQException if its receive() methods are called. @author Tim Fox @author Clebert Suconic @author Andy Taylor @see ClientSession#createConsumer(String)

               message.putStringProperty(propName, "Hello sent at " + new Date());
               System.out.println("Sending the message.");


               producer.send(message);


               ClientConsumer messageConsumer = session.createConsumer(queueName);
               session.start();


               ClientMessage messageReceived = messageConsumer.receive(1000);
               System.out.println("Received TextMessage:" + messageReceived.getStringProperty(propName));
            } finally {
               if (session != null) {
                  session.close();
               }

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      QueueControl queueControl = createManagementControl(address, queue);


      Assert.assertEquals(0, queueControl.getConsumerCount());


      ClientConsumer consumer = session.createConsumer(queue);
      Assert.assertEquals(1, queueControl.getConsumerCount());


      consumer.close();
      Assert.assertEquals(0, queueControl.getConsumerCount());


      session.deleteQueue(queue);
   }

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      QueueControl queueControl = createManagementControl(address, queue);


      Assert.assertEquals(0, queueControl.getConsumerCount());


      ClientConsumer consumer = session.createConsumer(queue);
      Assert.assertEquals(1, queueControl.getConsumerCount());


      System.out.println("Consumers: " + queueControl.listConsumersAsJSON());


      JSONArray obj = new JSONArray(queueControl.listConsumersAsJSON());


      assertEquals(1, obj.length());


      consumer.close();
      Assert.assertEquals(0, queueControl.getConsumerCount());


      obj = new JSONArray(queueControl.listConsumersAsJSON());


      assertEquals(0, obj.length());

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      message.putIntProperty(new SimpleString("key"), intValue);
      producer.send(message);
      producer.send(session.createMessage(false));
      
      
      ClientConsumer consumer = session.createConsumer(queue);
      session.start();
      ClientMessage msgRec = consumer.receive(5000);
      assertNotNull(msgRec);
      assertEquals(msgRec.getIntProperty("key").intValue(), intValue);
      
      
      assertEquals(1, srvqueue.getDeliveringCount());
      
      System.out.println(queueControl.listDeliveringdMessagesAsJSON());
      
      Map<String, Map<String, Object>[]> deliveringMap = queueControl.listDeliveringMessages();
      assertEquals(1, deliveringMap.size());
      //Map<String, Object[]> msgs = deliveringMap.get(key)
      
      consumer.close();


      session.deleteQueue(queue);
   }

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      producer.send(session.createMessage(false));


      QueueControl queueControl = createManagementControl(address, queue);
      Assert.assertEquals(0, queueControl.getDeliveringCount());


      ClientConsumer consumer = session.createConsumer(queue);
      ClientMessage message = consumer.receive(500);
      Assert.assertNotNull(message);
      Assert.assertEquals(1, queueControl.getDeliveringCount());


      message.acknowledge();
      session.commit();
      Assert.assertEquals(0, queueControl.getDeliveringCount());


      consumer.close();
      session.deleteQueue(queue);
   }

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      // check there is no message to consume from queue
      ManagementTestBase.consumeMessages(0, session, queue);


      // consume the message from otherQueue
      ClientConsumer otherConsumer = session.createConsumer(otherQueue);
      ClientMessage m = otherConsumer.receive(500);
      Assert.assertEquals(value, m.getObjectProperty(key));


      m.acknowledge();


      session.deleteQueue(queue);
      otherConsumer.close();
      session.deleteQueue(otherQueue);
   }

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      int movedMatchedMessagesCount = queueControl.moveMessages(key + " =" + matchingValue, otherQueue.toString());
      Assert.assertEquals(1, movedMatchedMessagesCount);
      Assert.assertEquals(1, queueControl.getMessageCount());


      // consume the unmatched message from queue
      ClientConsumer consumer = session.createConsumer(queue);
      ClientMessage m = consumer.receive(500);
      Assert.assertNotNull(m);
      Assert.assertEquals(unmatchingValue, m.getObjectProperty(key));


      // consume the matched message from otherQueue
      ClientConsumer otherConsumer = session.createConsumer(otherQueue);
      m = otherConsumer.receive(500);
      Assert.assertNotNull(m);
      Assert.assertEquals(matchingValue, m.getObjectProperty(key));


      m.acknowledge();


      consumer.close();
      session.deleteQueue(queue);
      otherConsumer.close();
      session.deleteQueue(otherQueue);
   }

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      int removedMatchedMessagesCount = queueControl.removeMessages(key + " =" + matchingValue);
      Assert.assertEquals(1, removedMatchedMessagesCount);
      Assert.assertEquals(1, queueControl.getMessageCount());


      // consume the unmatched message from queue
      ClientConsumer consumer = session.createConsumer(queue);
      ClientMessage m = consumer.receive(500);
      Assert.assertNotNull(m);
      Assert.assertEquals(unmatchingValue, m.getObjectProperty(key));


      m.acknowledge();


      // check there is no other message to consume:
      m = consumer.receiveImmediate();
      Assert.assertNull(m);


      consumer.close();
      session.deleteQueue(queue);
   }

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      int removedMatchedMessagesCount = queueControl.removeMessages(5, key + " =" + matchingValue);
      Assert.assertEquals(1, removedMatchedMessagesCount);
      Assert.assertEquals(1, queueControl.getMessageCount());


      // consume the unmatched message from queue
      ClientConsumer consumer = session.createConsumer(queue);
      ClientMessage m = consumer.receive(500);
      Assert.assertNotNull(m);
      Assert.assertEquals(unmatchingValue, m.getObjectProperty(key));


      m.acknowledge();


      // check there is no other message to consume:
      m = consumer.receiveImmediate();
      Assert.assertNull(m);


      consumer.close();
      session.deleteQueue(queue);
   }

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         ClientMessage msg = session.createMessage(false);
         msg.putIntProperty("count", i);
         producer.send(msg);
      }


      ClientConsumer cons = session.createConsumer(queue);
      session.start();
      LinkedList<ClientMessage> msgs = new LinkedList<ClientMessage>();
      for (int i = 0; i < 50; i++)
      {
         ClientMessage msg = cons.receive(1000);
         msgs.add(msg);
      }


      QueueControl queueControl = createManagementControl(address, queue);
      Assert.assertEquals(100, queueControl.getMessageCount());


      // the message IDs are set on the server
      Map<String, Object>[] messages = queueControl.listMessages(null);
      Assert.assertEquals(50, messages.length);
      assertEquals(50, ((Number)messages[0].get("count")).intValue());
      long messageID = (Long)messages[0].get("messageID");


      // delete 1st message
      boolean deleted = queueControl.removeMessage(messageID);
      Assert.assertTrue(deleted);
      Assert.assertEquals(99, queueControl.getMessageCount());


      cons.close();


      // check there is a single message to consume from queue
      ManagementTestBase.consumeMessages(99, session, queue);


      session.deleteQueue(queue);

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