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

org.hornetq.api.core.client.ServerLocator
The serverLocator locates a server, but beyond that it locates a server based on a list.
If you are using straight TCP on the configuration, and if you configure your serverLocator to be HA, the locator will always get an updated list of members to the server, the server will send the updated list to the client.
If you use UDP or JGroups (exclusively JGropus or UDP), the initial discovery is done by the grouping finder, after the initial connection is made the server will always send updates to the client. But the listeners will listen for updates on grouping. @author Tim Fox

   public void testMoveMessagesBack() throws Exception
   {
      server.createQueue(new SimpleString("q1"), new SimpleString("q1"), null, true, false);
      server.createQueue(new SimpleString("q2"), new SimpleString("q2"), null, true, false);


      ServerLocator locator = createInVMNonHALocator();


      ClientSessionFactory sf = locator.createSessionFactory();


      ClientSession session = sf.createSession(true, true);


      ClientProducer prod1 = session.createProducer("q1");


      for (int i = 0; i < 10; i++)
      {
         ClientMessage msg = session.createMessage(true);


         msg.putStringProperty(org.hornetq.api.core.Message.HDR_DUPLICATE_DETECTION_ID, new SimpleString("dupl-" + i));


         prod1.send(msg);
      }


      session.commit();


      ClientConsumer consumer = session.createConsumer("q1", true);
      session.start();


      assertNotNull(consumer.receive(5000));
      consumer.close();


      QueueControl q1Control = ManagementControlHelper.createQueueControl(new SimpleString("q1"),
                                                                          new SimpleString("q1"),
                                                                          mbeanServer);


      QueueControl q2Control = ManagementControlHelper.createQueueControl(new SimpleString("q2"),
                                                                          new SimpleString("q2"),
                                                                          mbeanServer);


      assertEquals(10, q1Control.moveMessages(null, "q2"));


      consumer = session.createConsumer("q2", true);


      assertNotNull(consumer.receive(500));


      consumer.close();


      q2Control.moveMessages(null, "q1", false);


      session.start();
      consumer = session.createConsumer("q1");


      for (int i = 0; i < 10; i++)
      {
         ClientMessage msg = consumer.receive(5000);
         System.out.println("msg = " + msg);
         assertNotNull(msg);
         msg.acknowledge();
      }


      consumer.close();


      session.deleteQueue("q1");


      session.deleteQueue("q2");


      session.close();


      locator.close();


   }

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   public void testMoveMessagesBack2() throws Exception
   {
      server.createQueue(new SimpleString("q1"), new SimpleString("q1"), null, true, false);
      server.createQueue(new SimpleString("q2"), new SimpleString("q2"), null, true, false);


      ServerLocator locator = createInVMNonHALocator();


      ClientSessionFactory sf = locator.createSessionFactory();


      ClientSession session = sf.createSession(true, true);


      ClientProducer prod1 = session.createProducer("q1");


      int NUMBER_OF_MSGS = 10;


      for (int i = 0; i < NUMBER_OF_MSGS; i++)
      {
         ClientMessage msg = session.createMessage(true);


         msg.putStringProperty(org.hornetq.api.core.Message.HDR_DUPLICATE_DETECTION_ID, new SimpleString("dupl-" + i));


         prod1.send(msg);
      }


      session.commit();


      ClientConsumer consumer = session.createConsumer("q1", true);
      session.start();


      assertNotNull(consumer.receive(5000));
      consumer.close();


      QueueControl q1Control = ManagementControlHelper.createQueueControl(new SimpleString("q1"),
                                                                          new SimpleString("q1"),
                                                                          mbeanServer);


      QueueControl q2Control = ManagementControlHelper.createQueueControl(new SimpleString("q2"),
                                                                          new SimpleString("q2"),
                                                                          mbeanServer);


      assertEquals(NUMBER_OF_MSGS, q1Control.moveMessages(null, "q2"));


      long messageIDs[] = new long[NUMBER_OF_MSGS];


      consumer = session.createConsumer("q2", true);


      for (int i = 0 ; i < NUMBER_OF_MSGS; i++)
      {
         ClientMessage msg = consumer.receive(5000);
         assertNotNull(msg);
         messageIDs[i] = msg.getMessageID();
      }


      assertNull(consumer.receiveImmediate());


      consumer.close();


      for (int i = 0 ; i < NUMBER_OF_MSGS; i++)
      {
         q2Control.moveMessage(messageIDs[i], "q1");
      }




      session.start();
      consumer = session.createConsumer("q1");


      for (int i = 0; i < NUMBER_OF_MSGS; i++)
      {
         ClientMessage msg = consumer.receive(5000);
         System.out.println("msg = " + msg);
         assertNotNull(msg);
         msg.acknowledge();
      }


      consumer.close();


      session.deleteQueue("q1");


      session.deleteQueue("q2");


      session.close();


      locator.close();


   }

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                                                 ".tmp");
         largeMessageCache.deleteOnExit();
      }


      ClientSessionFactory sf = session.getSessionFactory();
      ServerLocator locator = sf.getServerLocator();
      long callTimeout = locator.getCallTimeout();


      currentLargeMessageController = new LargeMessageControllerImpl(this, largeMessage.getLargeMessageSize(), callTimeout, largeMessageCache);
      currentLargeMessageController.setLocal(true);


      //sets the packet

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                                                 ".tmp");
         largeMessageCache.deleteOnExit();
      }


      ClientSessionFactory sf = session.getSessionFactory();
      ServerLocator locator = sf.getServerLocator();
      long callTimeout = locator.getCallTimeout();


      currentLargeMessageController = new LargeMessageControllerImpl(this, packet.getLargeMessageSize(), callTimeout, largeMessageCache);


      if (currentChunkMessage.isCompressed())
      {

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      String otherQueueName = RandomUtil.randomString();


      serverManager.createQueue(false, otherQueueName, null, true, otherQueueName);
      HornetQDestination otherQueue = (HornetQDestination)HornetQJMSClient.createQueue(otherQueueName);


      ServerLocator locator = createInVMNonHALocator();


      ClientSessionFactory sf = locator.createSessionFactory();


      ClientSession session = sf.createSession(true, true);


      ClientProducer prod1 = session.createProducer(queue.getAddress());
      ClientProducer prod2 = session.createProducer(otherQueue.getAddress());


      for (int i = 0; i < 10; i++)
      {
         ClientMessage msg = session.createMessage(true);


         msg.putStringProperty(org.hornetq.api.core.Message.HDR_DUPLICATE_DETECTION_ID, new SimpleString("dupl-" + i));


         prod1.send(msg);
         if (i < 5)
         {
            prod2.send(msg);
         }
      }


      session.commit();


      JMSQueueControl queueControl = createManagementControl();
      JMSQueueControl otherQueueControl = ManagementControlHelper.createJMSQueueControl((HornetQQueue)otherQueue,
                                                                                        mbeanServer);


      Assert.assertEquals(10, queueControl.getMessageCount());


      int moved = queueControl.moveMessages(null, otherQueueName, true);


      assertEquals(10, moved);


      assertEquals(0, queueControl.getDeliveringCount());


      session.start();


      ClientConsumer cons1 = session.createConsumer(queue.getAddress());


      assertNull(cons1.receiveImmediate());


      cons1.close();


      ClientConsumer cons2 = session.createConsumer(otherQueue.getAddress());


      for (int i = 0; i < 10; i++)
      {
         ClientMessage msg = cons2.receive(10000);


         assertNotNull(msg);


         msg.acknowledge();
      }


      cons2.close();


      session.close();


      sf.close();


      locator.close();


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


      Assert.assertEquals(0, otherQueueControl.getMessageCount());

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      String otherQueueName = RandomUtil.randomString();


      serverManager.createQueue(false, otherQueueName, null, true, otherQueueName);
      HornetQDestination otherQueue = (HornetQDestination)HornetQJMSClient.createQueue(otherQueueName);


      ServerLocator locator = createInVMNonHALocator();


      ClientSessionFactory sf = locator.createSessionFactory();


      ClientSession session = sf.createSession(true, true);


      ClientProducer prod1 = session.createProducer(queue.getAddress());
      ClientProducer prod2 = session.createProducer(otherQueue.getAddress());
      
      String [] ids = new String[10];


      for (int i = 0; i < 10; i++)
      {
         ClientMessage msg = session.createMessage(true);


         msg.putStringProperty(org.hornetq.api.core.Message.HDR_DUPLICATE_DETECTION_ID, new SimpleString("dupl-" + i));


         msg.setUserID(UUIDGenerator.getInstance().generateUUID());
         
         prod1.send(msg);
         
         ids[i] = "ID:" + msg.getUserID().toString();
         if (i < 5)
         {
            msg.setUserID(UUIDGenerator.getInstance().generateUUID());
            prod2.send(msg);
         }
      }


      session.commit();


      JMSQueueControl queueControl = createManagementControl();
      JMSQueueControl otherQueueControl = ManagementControlHelper.createJMSQueueControl((HornetQQueue)otherQueue,
                                                                                        mbeanServer);


      Assert.assertEquals(10, queueControl.getMessageCount());


      for (int i = 0 ; i < 10; i++)
      {
         queueControl.moveMessage(ids[i], otherQueueName, true);
      }


      assertEquals(0, queueControl.getDeliveringCount());


      session.start();


      ClientConsumer cons1 = session.createConsumer(queue.getAddress());


      assertNull(cons1.receiveImmediate());


      cons1.close();


      ClientConsumer cons2 = session.createConsumer(otherQueue.getAddress());


      for (int i = 0; i < 10; i++)
      {
         ClientMessage msg = cons2.receive(10000);


         assertNotNull(msg);


         msg.acknowledge();
      }


      cons2.close();


      session.close();


      sf.close();


      locator.close();


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


      Assert.assertEquals(0, otherQueueControl.getMessageCount());

View Full Code Here

      String otherQueueName = RandomUtil.randomString();


      serverManager.createQueue(false, otherQueueName, null, true, otherQueueName);
      HornetQDestination otherQueue = (HornetQDestination)HornetQJMSClient.createQueue(otherQueueName);


      ServerLocator locator = createInVMNonHALocator();


      ClientSessionFactory sf = locator.createSessionFactory();


      ClientSession session = sf.createSession(true, true);


      ClientProducer prod1 = session.createProducer(queue.getAddress());
      ClientProducer prod2 = session.createProducer(otherQueue.getAddress());


      ClientMessage msg = session.createMessage(true);


      msg.putStringProperty(org.hornetq.api.core.Message.HDR_DUPLICATE_DETECTION_ID, new SimpleString("dupl-1"));


      prod1.send(msg);
      prod2.send(msg);


      JMSQueueControl queueControl = createManagementControl();
      JMSQueueControl otherQueueControl = ManagementControlHelper.createJMSQueueControl((HornetQQueue)otherQueue,
                                                                                        mbeanServer);


      Assert.assertEquals(1, queueControl.getMessageCount());
      Assert.assertEquals(1, otherQueueControl.getMessageCount());


      int moved = queueControl.moveMessages(null, otherQueueName, true);


      assertEquals(1, moved);


      assertEquals(0, queueControl.getDeliveringCount());


      session.start();


      ClientConsumer cons1 = session.createConsumer(queue.getAddress());


      assertNull(cons1.receiveImmediate());


      cons1.close();


      ClientConsumer cons2 = session.createConsumer(otherQueue.getAddress());


      msg = cons2.receive(10000);


      assertNotNull(msg);


      msg.acknowledge();


      cons2.close();


      session.close();


      sf.close();


      locator.close();


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


      Assert.assertEquals(0, otherQueueControl.getMessageCount());

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      serverManager.createQueue(true, "pagedTest", null, true, "/queue/pagedTest");
      
      HornetQQueue pagedQueue = (HornetQQueue)context.lookup("/queue/pagedTest");
      


      ServerLocator locator = createInVMNonHALocator();


      ClientSessionFactory sf = locator.createSessionFactory();


      ClientSession session = sf.createSession(true, true);
      
      ClientProducer prod = session.createProducer(pagedQueue.getAddress());
      
      ClientMessage msg = session.createMessage(true);
      
      msg.getBodyBuffer().writeBytes(new byte[90 * 1024]);
      for (int i = 0 ; i < 100; i++)
      {
         prod.send(msg);
      }
      
      JMSQueueControl control = createManagementControl(pagedQueue);
      
      assertEquals(100, control.removeMessages("     "));
      
      
      
      session.start();
      
      ClientConsumer consumer = session.createConsumer(pagedQueue.getAddress());
      
      assertNull(consumer.receive(300));


      
      session.close();


      sf.close();
      locator.close();
   }

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      serverManager.createQueue(true, "pagedTest", null, true, "/queue/pagedTest");
      
      HornetQQueue pagedQueue = (HornetQQueue)context.lookup("/queue/pagedTest");
      


      ServerLocator locator = createInVMNonHALocator();


      ClientSessionFactory sf = locator.createSessionFactory();


      ClientSession session = sf.createSession(true, true);
      
      ClientProducer prod = session.createProducer(pagedQueue.getAddress());
      for (int i = 0 ; i < 200; i++)
      {
         ClientMessage msg = session.createMessage(true);
         msg.getBodyBuffer().writeBytes(new byte[90 * 1024]);
         msg.putBooleanProperty("even", i % 2 == 0);
         prod.send(msg);
      }
      
      JMSQueueControl control = createManagementControl(pagedQueue);
      
      assertEquals(100, control.removeMessages("even=true"));
      
      session.start();
      
      ClientConsumer consumer = session.createConsumer(pagedQueue.getAddress());
      
      
      
      for (int i = 0 ; i < 100; i++)
      {
         ClientMessage msg = consumer.receive(1000);
         assertNotNull(msg);
         msg.acknowledge();
         assertFalse(msg.getBooleanProperty("even").booleanValue());
      }
      
      assertNull(consumer.receive(300));


      
      session.close();




      sf.close();
      locator.close();
   }

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   }


   @Override
   protected ServerLocator createHAServerLocator()
   {
      ServerLocator locator = HornetQClient.createServerLocatorWithHA(new DiscoveryGroupConfiguration(groupAddress, groupPort));
      locator.setBlockOnNonDurableSend(true);
      locator.setBlockOnDurableSend(true);
      return locator;
   }

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