Examples of MessageConsumer

com.joshondesign.arduino.common.MessageConsumer
com.netflix.astyanax.recipes.queue.MessageConsumer
com.taobao.metamorphosis.client.consumer.MessageConsumer
��Ϣ��ߣ��̰߳�ȫ��Ƽ�� @author boyan @Date 2011-4-21
com.zanox.rabbiteasy.consumer.MessageConsumer
A simple implementation of a message consumer which implements rarely used handles by logging them and providing a convenient method to handle delivered messages. @author christian.bick @author uwe.janner @author soner.dastan
de.willuhn.jameica.messaging.MessageConsumer
io.vertx.core.eventbus.MessageConsumer
An event bus consumer object representing a stream of message to an {@link EventBus} address that canbe read from.
The {@link EventBus#consumer(String)} or {@link EventBus#localConsumer(String)}create a new consumer, the returned consumer is not yet registered against the event bus. Registration is effective after the {@link #handler(io.vertx.core.Handler)} method is invoked.
The consumer is unregistered from the event bus using the {@link #unregister()} method or by calling the{@link #handler(io.vertx.core.Handler)} with a null value.. @author Nick Scavelli
javax.jms.MessageConsumer
@version $Rev: 46019 $ $Date: 2004-09-14 03:56:06 -0600 (Tue, 14 Sep 2004) $
org.apache.qpid.jms.MessageConsumer
org.asmatron.messengine.engines.components.MessageConsumer
org.jacorb.notification.interfaces.MessageConsumer
The interface MessageConsumer provides an abstraction of an ProxySupplier.
The MessageConsumer is responsible to maintain the Connection to the real Consumer. To deliver a Message the MessageConsumer converts the Message to the appropiate Format (Any, StructuredEvent, Sequence of StructuredEvent) required by its Consumer and delivers it.
@author Alphonse Bendt @version $Id: MessageConsumer.java,v 1.13 2005-08-21 13:30:01 alphonse.bendt Exp $
org.objectweb.joram.client.jms.MessageConsumer
Implements the javax.jms.MessageConsumer interface.
A client uses a MessageConsumer object to receive messages from a destination. A MessageConsumer object is created by calling the createConsumer method on a session object. A message consumer is normally dedicated to a unique destination.
A message consumer can be created with a message selector. A message selector allows the client to restrict the messages delivered to the message consumer to those that match the selector.
A client may either synchronously receive a message consumer's messages or have the consumer asynchronously deliver them as they arrive:
- For synchronous receipt, a client can request the next message from the message consumer using one of its receive methods. There are several variations of receive that allow a client to poll or wait for the next message.
- For asynchronous delivery, a client must register a MessageListener object with a message consumer. As messages arrive at the message consumer, it delivers them by calling the MessageListener's onMessage method. It is a client programming error for a MessageListener to throw an exception.

Examples of javax.jms.MessageConsumer

      MessageProducer prod = sess.createProducer(queue);
      
      //Make persistent to make sure message gets serialized
      prod.setDeliveryMode(DeliveryMode.PERSISTENT);
      
      MessageConsumer cons = sess.createConsumer(queue);
      
      TestMessage tm = new TestMessage(123, false);
      
      ObjectMessage om = sess.createObjectMessage();
      
      om.setObject(tm);
      
      conn.start();
      
      prod.send(om);
      
      ObjectMessage om2 = (ObjectMessage)cons.receive(1000);
      
      assertNotNull(om2);
      
      TestMessage tm2 = (TestMessage)om2.getObject();

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Examples of javax.jms.MessageConsumer

      {
         int commitCounter = 0;
         try
         {
            Session session = conn.createSession(true, Session.SESSION_TRANSACTED);
            MessageConsumer consumer = session.createConsumer((Destination)queue);


            int lastCount = messageCount;
            while (true)
            {
               TextMessage message = (TextMessage) consumer.receive(5000);
               if (message == null)
               {
                  break;
               }
               log.debug("read message " + message.getText());


               // alternating commits and rollbacks
               if ( (commitCounter++) % 2 == 0)
               {
                  messagesRead += (messageCount - lastCount);
                  lastCount = messageCount;
                  log.debug("commit");
                  session.commit();
               }
               else
               {
                  lastCount = messageCount;
                  log.debug("rollback");
                  session.rollback();
               }


               messageCount++;


               if (messageCount %7 == 0)
               {
                  session.close();


                  session = conn.createSession(true, Session.SESSION_TRANSACTED);
                  consumer = session.createConsumer((Destination)queue);
               }


               if (messageCount % 50 == 0)
               {
                  log.info("Reader " + index + " read " + messageCount + " messages");
               }
            }


            messagesRead += (messageCount - lastCount);


            session.commit();
            consumer.close();
            session.close();
         }
         catch (Exception e)
         {
            e.printStackTrace();

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Examples of javax.jms.MessageConsumer

      final int NUM_MESSAGES = 1000;
      
      //send some messages
      
      conn.start();
      MessageConsumer cons = sess.createConsumer(queue);


      produceMessages(sess, prod, 100, cons);
      
      JVMTIInterface jvmti = new JVMTIInterface();
      Map inventory1=jvmti.produceInventory();

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Examples of javax.jms.MessageConsumer

      for (int i=0;i<100;i++)
      {
         payLoad.add("" + i);
      }
      conn.start();
      MessageConsumer cons1 = sess.createConsumer(queue,"target='1'");
      MessageConsumer cons2 = sess.createConsumer(queue,"target='2'");


      produceMessages(sess, prod, 30, cons1,cons2,payLoad);
      
      JVMTIInterface jvmti = new JVMTIInterface();
      Map inventory1=jvmti.produceInventory();

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Examples of javax.jms.MessageConsumer

            
      for (int i = 0; i < numRelayers; i++)
      {
         Session sess = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
         
         MessageConsumer cons = sess.createConsumer(topic, "name = 'Watt'");
         //MessageConsumer cons = sess.createConsumer(topic);
         
         MessageProducer prod = sess.createProducer(topic);
         
         relayers[i] = new Relayer(prod);
         
         cons.setMessageListener(relayers[i]);
      }
      
      for (int i = 0; i < numConsumers; i++)
      {
         Session sess = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
         
         MessageConsumer cons = sess.createConsumer(topic, "name = 'Tim'");
         
         consumers[i] = new Consumer();
         
         cons.setMessageListener(consumers[i]);
      }
      
      conn.start();
      
      Session sess = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);

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Examples of javax.jms.MessageConsumer

      ServerManagement.deployQueue("Queue");
      
      conn = cf.createConnection();
      sess = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
      conn.start();
      MessageConsumer cons = sess.createConsumer(queue);
      for (int i = 0; i < 10; i++)
      {
         TextMessage tm = (TextMessage)cons.receive(3000);
         assertNotNull(tm);
         if (tm == null)
         {
            break;
         }

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Examples of javax.jms.MessageConsumer

      ServerManagement.deployQueue("Queue");
      
      conn = cf.createConnection();
      Session sessReceive = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
      conn.start();
      MessageConsumer cons = sessReceive.createConsumer(queue);
     
      {
         TextMessage t = (TextMessage)cons.receive(1000);
         assertNotNull(t);
         assertEquals("j", t.getText());
      }
      {
         TextMessage t = (TextMessage)cons.receive(1000);
         assertNotNull(t);
         assertEquals("i", t.getText());
      }
      {
         TextMessage t = (TextMessage)cons.receive(1000);
         assertNotNull(t);
         assertEquals("h", t.getText());
      }
      {
         TextMessage t = (TextMessage)cons.receive(1000);
         assertNotNull(t);
         assertEquals("g", t.getText());
      }
      {
         TextMessage t = (TextMessage)cons.receive(1000);
         assertNotNull(t);
         assertEquals("f", t.getText());
      }
      {
         TextMessage t = (TextMessage)cons.receive(1000);
         assertNotNull(t);
         assertEquals("e", t.getText());
      }
      {
         TextMessage t = (TextMessage)cons.receive(1000);
         assertNotNull(t);
         assertEquals("d", t.getText());
      }
      {
         TextMessage t = (TextMessage)cons.receive(1000);
         assertNotNull(t);
         assertEquals("c", t.getText());
      }
      {
         TextMessage t = (TextMessage)cons.receive(1000);
         assertNotNull(t);
         assertEquals("b", t.getText());
      }
      {
         TextMessage t = (TextMessage)cons.receive(1000);
         assertNotNull(t);
         assertEquals("a", t.getText());
      }
      {
         TextMessage t = (TextMessage)cons.receive(500);
         assertNull(t);
      }
      
     
      conn.close();

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Examples of javax.jms.MessageConsumer

      ServerManagement.deployQueue("Queue");
      
      conn = cf.createConnection();
      Session sessReceive = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
      conn.start();
      MessageConsumer cons = sessReceive.createConsumer(queue);
     
      {
         TextMessage t = (TextMessage)cons.receive(1000);
         assertNotNull(t);
         assertEquals("j", t.getText());
      }
      {
         TextMessage t = (TextMessage)cons.receive(1000);
         assertNotNull(t);
         assertEquals("h", t.getText());
      }
      {
         TextMessage t = (TextMessage)cons.receive(1000);
         assertNotNull(t);
         assertEquals("i", t.getText());
      }
      {
         TextMessage t = (TextMessage)cons.receive(1000);
         assertNotNull(t);
         assertEquals("f", t.getText());
      }
      {
         TextMessage t = (TextMessage)cons.receive(1000);
         assertNotNull(t);
         assertEquals("g", t.getText());
      }
      {
         TextMessage t = (TextMessage)cons.receive(1000);
         assertNotNull(t);
         assertEquals("d", t.getText());
      }
      {
         TextMessage t = (TextMessage)cons.receive(1000);
         assertNotNull(t);
         assertEquals("e", t.getText());
      }
      {
         TextMessage t = (TextMessage)cons.receive(1000);
         assertNotNull(t);
         assertEquals("a", t.getText());
      }
      {
         TextMessage t = (TextMessage)cons.receive(1000);
         assertNotNull(t);
         assertEquals("b", t.getText());
      }
      {
         TextMessage t = (TextMessage)cons.receive(1000);
         assertNotNull(t);
         assertEquals("c", t.getText());
      }
      {
         TextMessage t = (TextMessage)cons.receiveNoWait();
         assertNull(t);
      }
      
      conn.close();
   }

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Examples of javax.jms.MessageConsumer

      Connection conn = cf.createConnection();
      conn.setClientID("five");


      Session s = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);


      MessageConsumer ds = s.createDurableSubscriber(thisTopic, "sub", null, false);


      MessageProducer p = s.createProducer(thisTopic);
      p.setDeliveryMode(DeliveryMode.PERSISTENT);
      TextMessage tm = s.createTextMessage("thebody");
      p.send(tm);
      log.debug("message sent");


      conn.close();


      log.debug("stopping the server");
      ServerManagement.stopServerPeer();


      try
      {
         initialContext.lookup("/topic/YetAnotherTopic");
         fail("this should throw exception");
      }
      catch(NameNotFoundException e)
      {
         // OK
      }


      log.debug("starting the server");
      ServerManagement.startServerPeer();
      log.debug("server started");


      // Messaging server restart implies new ConnectionFactory lookup
      cf = (ConnectionFactory)initialContext.lookup("/ConnectionFactory");


      ServerManagement.deployTopic("YetAnotherTopic");
      log.debug("topic deployed");


      thisTopic = (Topic)initialContext.lookup("/topic/YetAnotherTopic");


      conn = cf.createConnection();
      conn.setClientID("five");


      s = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
      conn.start();


      ds = s.createDurableSubscriber(thisTopic, "sub", null, false);


      TextMessage rm = (TextMessage)ds.receive(3000);
      assertNotNull(rm);
      assertEquals("thebody", rm.getText());




      conn.close();

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Examples of javax.jms.MessageConsumer

      Connection conn = cf.createConnection();
      conn.setClientID("Sausages");
      
      Session sessConsume = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
      
      MessageConsumer sub1 = sessConsume.createDurableSubscriber(topic, "sub1", null, false);
      MessageConsumer sub2 = sessConsume.createDurableSubscriber(topic, "sub2", null, false);
      MessageConsumer sub3 = sessConsume.createDurableSubscriber(topic, "sub3", null, false);
      
      
      Session sessSend = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
      MessageProducer prod = sessSend.createProducer(topic);
      prod.setDeliveryMode(DeliveryMode.PERSISTENT);
      
      for (int i = 0; i < 10; i++)
      {
         TextMessage tm = sessSend.createTextMessage("message" + i);
         prod.send(tm);
      }
      
      conn.close();
      
      ServerManagement.stopServerPeer();


      ServerManagement.startServerPeer();


      // Messaging server restart implies new ConnectionFactory lookup
      cf = (ConnectionFactory)initialContext.lookup("/ConnectionFactory");


      ServerManagement.deployTopic("Topic");
      
      conn = cf.createConnection();
      conn.setClientID("Sausages");
      
      sessConsume = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
      conn.start();
      
      sub1 = sessConsume.createDurableSubscriber(topic, "sub1", null, false);
      sub2 = sessConsume.createDurableSubscriber(topic, "sub2", null, false);
      sub3 = sessConsume.createDurableSubscriber(topic, "sub3", null, false);
                  
      for (int i = 0; i < 10; i++)
      {
         TextMessage tm1 = (TextMessage)sub1.receive(3000);
         assertNotNull(tm1);
         if (tm1 == null)
         {
            break;
         }
         assertEquals("message" + i, tm1.getText());
         
         TextMessage tm2 = (TextMessage)sub2.receive(3000);
         assertNotNull(tm2);
         if (tm2 == null)
         {
            break;
         }
         assertEquals("message" + i, tm2.getText());
         
         TextMessage tm3 = (TextMessage)sub3.receive(3000);
         assertNotNull(tm3);
         if (tm3 == null)
         {
            break;
         }

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