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

org.hornetq.api.core.client.ClientProducer
A ClientProducer is used to send messages to a specific address. Messages are then routed on the server to any queues that are bound to the address. A ClientProducer can either be created with a specific address in mind or with none. With the latter the address must be provided using the appropriate send() method.

The sending semantics can change depending on what blocking semantics are set via {@link ServerLocator#setBlockOnDurableSend(boolean)} and{@link org.hornetq.api.core.client.ServerLocator#setBlockOnNonDurableSend(boolean)} . If set totrue then for each message type, durable and non durable respectively, any exceptions such as the address not existing or security exceptions will be thrown at the time of send. Alternatively if set to false then exceptions will only be logged on the server.

The send rate can also be controlled via {@link ServerLocator#setProducerMaxRate(int)} and the{@link org.hornetq.api.core.client.ServerLocator#setProducerWindowSize(int)}.

@author Tim Fox @author Andy Taylor

      CountDownLatch latch = new CountDownLatch(1);
      DummyMessageEndpoint endpoint = new DummyMessageEndpoint(latch);
      DummyMessageEndpointFactory endpointFactory = new DummyMessageEndpointFactory(endpoint, false);
      qResourceAdapter.endpointActivation(endpointFactory, spec);
      ClientSession session = locator.createSessionFactory().createSession();
      ClientProducer clientProducer = session.createProducer("jms.topic.mdbTopic");
      ClientMessage message = session.createMessage(true);
      message.getBodyBuffer().writeString("1");
      clientProducer.send(message);


      latch.await(5, TimeUnit.SECONDS);


      assertNotNull(endpoint.lastMessage);
      assertEquals(endpoint.lastMessage.getCoreMessage().getBodyBuffer().readString(), "1");


      qResourceAdapter.endpointDeactivation(endpointFactory, spec);


      message = session.createMessage(true);
      message.getBodyBuffer().writeString("2");
      clientProducer.send(message);


      latch = new CountDownLatch(1);
      endpoint = new DummyMessageEndpoint(latch);
      endpointFactory = new DummyMessageEndpointFactory(endpoint, false);
      qResourceAdapter.endpointActivation(endpointFactory, spec);
      latch.await(5, TimeUnit.SECONDS);


      assertNotNull(endpoint.lastMessage);
      assertEquals(endpoint.lastMessage.getCoreMessage().getBodyBuffer().readString(), "2");
      latch = new CountDownLatch(1);
      endpoint.reset(latch);
      message = session.createMessage(true);
      message.getBodyBuffer().writeString("3");
      clientProducer.send(message);
      latch.await(5, TimeUnit.SECONDS);


      assertNotNull(endpoint.lastMessage);
      assertEquals(endpoint.lastMessage.getCoreMessage().getBodyBuffer().readString(), "3");
      qResourceAdapter.endpointDeactivation(endpointFactory, spec);

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      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"));

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      CountDownLatch latch = new CountDownLatch(1);
      DummyMessageEndpoint endpoint = new DummyMessageEndpoint(latch);
      DummyMessageEndpointFactory endpointFactory = new DummyMessageEndpointFactory(endpoint, false);
      qResourceAdapter.endpointActivation(endpointFactory, spec);
      ClientSession session = locator.createSessionFactory().createSession();
      ClientProducer clientProducer = session.createProducer("jms.topic.mdbTopic");
      ClientMessage message = session.createMessage(true);
      message.getBodyBuffer().writeString("1");
      clientProducer.send(message);


      latch.await(5, TimeUnit.SECONDS);


      assertNotNull(endpoint.lastMessage);
      assertEquals(endpoint.lastMessage.getCoreMessage().getBodyBuffer().readString(), "1");


      qResourceAdapter.endpointDeactivation(endpointFactory, spec);


      message = session.createMessage(true);
      message.getBodyBuffer().writeString("2");
      clientProducer.send(message);


      latch = new CountDownLatch(1);
      endpoint = new DummyMessageEndpoint(latch);
      endpointFactory = new DummyMessageEndpointFactory(endpoint, false);
      qResourceAdapter.endpointActivation(endpointFactory, spec);
      message = session.createMessage(true);
      message.getBodyBuffer().writeString("3");
      clientProducer.send(message);
      latch.await(5, TimeUnit.SECONDS);


      assertNotNull(endpoint.lastMessage);
      assertEquals(endpoint.lastMessage.getCoreMessage().getBodyBuffer().readString(), "3");
      qResourceAdapter.endpointDeactivation(endpointFactory, spec);

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      CountDownLatch latch = new CountDownLatch(1);
      DummyMessageEndpoint endpoint = new DummyMessageEndpoint(latch);
      DummyMessageEndpointFactory endpointFactory = new DummyMessageEndpointFactory(endpoint, false);
      qResourceAdapter.endpointActivation(endpointFactory, spec);
      ClientSession session = locator.createSessionFactory().createSession();
      ClientProducer clientProducer = session.createProducer("jms.topic.mdbTopic");
      ClientMessage message = session.createMessage(true);
      message.getBodyBuffer().writeString("1");
      message.putStringProperty("foo", "bar");
      clientProducer.send(message);


      latch.await(5, TimeUnit.SECONDS);


      assertNotNull(endpoint.lastMessage);
      assertEquals(endpoint.lastMessage.getCoreMessage().getBodyBuffer().readString(), "1");


      qResourceAdapter.endpointDeactivation(endpointFactory, spec);


      message = session.createMessage(true);
      message.getBodyBuffer().writeString("2");
      message.putStringProperty("foo", "bar");
      clientProducer.send(message);


      latch = new CountDownLatch(1);
      endpoint = new DummyMessageEndpoint(latch);
      //change the selector forcing the queue to be recreated
      spec.setMessageSelector("foo='abar'");
      endpointFactory = new DummyMessageEndpointFactory(endpoint, false);
      qResourceAdapter.endpointActivation(endpointFactory, spec);
      message = session.createMessage(true);
      message.getBodyBuffer().writeString("3");
      message.putStringProperty("foo", "abar");
      clientProducer.send(message);
      latch.await(5, TimeUnit.SECONDS);


      assertNotNull(endpoint.lastMessage);
      assertEquals(endpoint.lastMessage.getCoreMessage().getBodyBuffer().readString(), "3");
      qResourceAdapter.endpointDeactivation(endpointFactory, spec);

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      CountDownLatch latch = new CountDownLatch(1);
      DummyMessageEndpoint endpoint = new DummyMessageEndpoint(latch);
      DummyMessageEndpointFactory endpointFactory = new DummyMessageEndpointFactory(endpoint, false);
      qResourceAdapter.endpointActivation(endpointFactory, spec);
      ClientSession session = locator.createSessionFactory().createSession();
      ClientProducer clientProducer = session.createProducer("jms.topic.mdbTopic");
      ClientMessage message = session.createMessage(true);
      message.getBodyBuffer().writeString("1");
      message.putStringProperty("foo", "bar");
      clientProducer.send(message);


      latch.await(5, TimeUnit.SECONDS);


      assertNotNull(endpoint.lastMessage);
      assertEquals(endpoint.lastMessage.getCoreMessage().getBodyBuffer().readString(), "1");


      qResourceAdapter.endpointDeactivation(endpointFactory, spec);


      message = session.createMessage(true);
      message.getBodyBuffer().writeString("2");
      message.putStringProperty("foo", "bar");
      clientProducer.send(message);


      latch = new CountDownLatch(1);
      endpoint = new DummyMessageEndpoint(latch);
      endpointFactory = new DummyMessageEndpointFactory(endpoint, false);
      qResourceAdapter.endpointActivation(endpointFactory, spec);

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         ClientSession session0 = sf0.createSession(false, true, true);


         ClientSession session1 = sf1.createSession(false, true, true);


         ClientProducer producer0 = session0.createProducer(new SimpleString(testAddress));


         ClientConsumer consumer1 = session1.createConsumer(queueName1);


         session1.start();


         final byte[] bytes = new byte[messageSize];


         final SimpleString propKey = new SimpleString("testkey");


         for (int i = 0; i < numMessages; i++)
         {
            ClientMessage message = session0.createMessage(false);


            if (largeMessage)
            {
               message.setBodyInputStream(UnitTestCase.createFakeLargeStream(1024 * 1024));
            }


            message.putIntProperty(propKey, i);


            message.getBodyBuffer().writeBytes(bytes);


            producer0.send(message);
         }


         for (int i = 0; i < numMessages; i++)
         {
            ClientMessage message = consumer1.receive(200);

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         ClientSession session0 = sf0.createSession(false, true, true);


         ClientSession session1 = sf1.createSession(false, true, true);


         ClientProducer producer0 = session0.createProducer(new SimpleString(testAddress));


         ClientConsumer consumer1 = session1.createConsumer(queueName1);


         session1.start();


         final int numMessages = 10;


         final SimpleString propKey = new SimpleString("testkey");


         final SimpleString selectorKey = new SimpleString("animal");


         for (int i = 0; i < numMessages; i++)
         {
            ClientMessage message = session0.createMessage(false);


            message.putIntProperty(propKey, i);


            message.putStringProperty(selectorKey, new SimpleString("monkey"));


            if (largeMessage)
            {
               message.setBodyInputStream(UnitTestCase.createFakeLargeStream(1024 * 1024));
            }


            producer0.send(message);
         }


         Assert.assertNull(consumer1.receiveImmediate());


         for (int i = 0; i < numMessages; i++)
         {
            ClientMessage message = session0.createMessage(false);


            message.putIntProperty(propKey, i);


            message.putStringProperty(selectorKey, new SimpleString("goat"));


            if (largeMessage)
            {
               message.setBodyInputStream(UnitTestCase.createFakeLargeStream(1024 * 1024));
            }


            producer0.send(message);
         }


         for (int i = 0; i < numMessages; i++)
         {
            ClientMessage message = consumer1.receive(200);

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         locator = HornetQClient.createServerLocatorWithoutHA(server0tc, server1tc);
         ClientSessionFactory sf0 = locator.createSessionFactory(server0tc);


         ClientSession session0 = sf0.createSession(false, true, true);


         ClientProducer producer0 = session0.createProducer(new SimpleString(testAddress));


         final int numMessages = 100;


         final SimpleString propKey = new SimpleString("testkey");


         final SimpleString selectorKey = new SimpleString("animal");


         for (int i = 0; i < numMessages; i++)
         {
            ClientMessage message = session0.createMessage(false);


            message.getBodyBuffer().writeBytes(new byte[1024]);


            message.putIntProperty(propKey, i);


            message.putStringProperty(selectorKey, new SimpleString("monkey" + i));


            producer0.send(message);
         }


         server1.start();


         Thread.sleep(1000);

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         locator = HornetQClient.createServerLocatorWithoutHA(server0tc, server1tc);
         ClientSessionFactory sf0 = locator.createSessionFactory(server0tc);


         ClientSession session0 = sf0.createSession(false, true, true);


         ClientProducer producer0 = session0.createProducer(new SimpleString(testAddress));


         final int numMessages = 1000;


         final SimpleString propKey = new SimpleString("testkey");


         final SimpleString selectorKey = new SimpleString("animal");


         for (int i = 0; i < numMessages; i++)
         {
            ClientMessage message = session0.createMessage(false);


            message.getBodyBuffer().writeBytes(new byte[1024]);


            message.putIntProperty(propKey, i);


            message.putStringProperty(selectorKey, new SimpleString("monkey" + i));


            producer0.send(message);
         }


         server1.start();


         // Inserting the duplicateIDs so the bridge will fail in a few

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         ClientSession session0 = sf0.createSession(false, true, true);


         ClientSession session1 = sf1.createSession(false, true, true);


         ClientProducer producer0 = session0.createProducer(new SimpleString(testAddress));


         ClientConsumer consumer1 = session1.createConsumer(queueName1);


         session1.start();


         final int numMessages = 10;


         final SimpleString propKey = new SimpleString("wibble");


         for (int i = 0; i < numMessages; i++)
         {
            ClientMessage message = session0.createMessage(false);


            message.putStringProperty(propKey, new SimpleString("bing"));


            message.getBodyBuffer().writeString("doo be doo be doo be doo");


            producer0.send(message);
         }


         for (int i = 0; i < numMessages; i++)
         {
            ClientMessage message = consumer1.receive(200);

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