Examples of org.hornetq.core.server.impl.QueueImpl$ConsumerHolder

org.hornetq.core.server.impl.QueueImpl
Implementation of a Queue Completely non blocking between adding to queue and delivering to consumers. @author Tim Fox @author Andy Taylor @author Jeff Mesnil @author Clebert Suconic

      FakeConsumer consumer = new FakeConsumer(filter);
   }


   public void testIterator()
   {
      QueueImpl queue = new QueueImpl(1,
                                      QueueImplTest.address1,
                                      QueueImplTest.queue1,
                                      null,
                                      false,
                                      true,
                                      scheduledExecutor,
                                      null,
                                      null,
                                      null,
                                      executor);


      final int numMessages = 20;


      List<MessageReference> refs = new ArrayList<MessageReference>();


      for (int i = 0; i < numMessages; i++)
      {
         MessageReference ref = generateReference(queue, i);


         queue.addTail(ref);


         refs.add(ref);
      }


      Assert.assertEquals(numMessages, queue.getMessageCount());


      Iterator<MessageReference> iterator = queue.iterator();
      List<MessageReference> list = new ArrayList<MessageReference>();
      while (iterator.hasNext())
      {
         list.add(iterator.next());
      }

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   }


   public void testConsumeWithFiltersAddAndRemoveConsumer() throws Exception
   {


      QueueImpl queue = new QueueImpl(1,
                                      QueueImplTest.address1,
                                      QueueImplTest.queue1,
                                      null,
                                      false,
                                      true,
                                      scheduledExecutor,
                                      new FakePostOffice(),
                                      null,
                                      null,
                                      executor);


      Filter filter = new FakeFilter("fruit", "orange");


      FakeConsumer consumer = new FakeConsumer(filter);


      queue.addConsumer(consumer);


      List<MessageReference> refs = new ArrayList<MessageReference>();


      MessageReference ref1 = generateReference(queue, 1);


      ref1.getMessage().putStringProperty(new SimpleString("fruit"), new SimpleString("banana"));


      queue.addTail(ref1);


      MessageReference ref2 = generateReference(queue, 2);


      ref2.getMessage().putStringProperty(new SimpleString("fruit"), new SimpleString("orange"));


      queue.addTail(ref2);


      refs.add(ref2);


      Assert.assertEquals(2, queue.getMessageCount());


      awaitExecution();;


      Assert.assertEquals(1, consumer.getReferences().size());


      Assert.assertEquals(1, queue.getDeliveringCount());


      assertRefListsIdenticalRefs(refs, consumer.getReferences());


      queue.acknowledge(ref2);


      queue.removeConsumer(consumer);


      queue.addConsumer(consumer);


      queue.deliverNow();


      refs.clear();


      consumer.clearReferences();


      MessageReference ref3 = generateReference(queue, 3);


      ref3.getMessage().putStringProperty(new SimpleString("fruit"), new SimpleString("banana"));


      queue.addTail(ref3);


      MessageReference ref4 = generateReference(queue, 4);


      ref4.getMessage().putStringProperty(new SimpleString("fruit"), new SimpleString("orange"));


      queue.addTail(ref4);


      refs.add(ref4);


      Assert.assertEquals(3, queue.getMessageCount());


      awaitExecution();;


      Assert.assertEquals(1, consumer.getReferences().size());


      Assert.assertEquals(1, queue.getDeliveringCount());


      assertRefListsIdenticalRefs(refs, consumer.getReferences());
   }

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      assertRefListsIdenticalRefs(refs, consumer.getReferences());
   }


   public void testBusyConsumerWithFilterFirstCallBusy() throws Exception
   {
      QueueImpl queue = new QueueImpl(1,
                                      QueueImplTest.address1,
                                      QueueImplTest.queue1,
                                      null,
                                      false,
                                      true,
                                      scheduledExecutor,
                                      null,
                                      null,
                                      null,
                                      executor);


      FakeConsumer consumer = new FakeConsumer(FilterImpl.createFilter("color = 'green'"));


      consumer.setStatusImmediate(HandleStatus.BUSY);


      queue.addConsumer(consumer);


      final int numMessages = 10;


      List<MessageReference> refs = new ArrayList<MessageReference>();


      for (int i = 0; i < numMessages; i++)
      {
         MessageReference ref = generateReference(queue, i);
         ref.getMessage().putStringProperty("color", "green");
         refs.add(ref);


         queue.addTail(ref);
      }


      Assert.assertEquals(10, queue.getMessageCount());
      Assert.assertEquals(0, queue.getScheduledCount());
      Assert.assertEquals(0, queue.getDeliveringCount());


      queue.deliverNow();


      consumer.setStatusImmediate(null);


      queue.deliverNow();


      List<MessageReference> receeivedRefs = consumer.getReferences();
      int currId = 0;
      for (MessageReference receeivedRef : receeivedRefs)
      {

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      }
   }


   public void testBusyConsumerWithFilterThenAddMoreMessages() throws Exception
   {
      QueueImpl queue = new QueueImpl(1,
                                      QueueImplTest.address1,
                                      QueueImplTest.queue1,
                                      null,
                                      false,
                                      true,
                                      scheduledExecutor,
                                      null,
                                      null,
                                      null,
                                      executor);


      FakeConsumer consumer = new FakeConsumer(FilterImpl.createFilter("color = 'green'"));


      consumer.setStatusImmediate(HandleStatus.BUSY);


      queue.addConsumer(consumer);


      final int numMessages = 10;


      List<MessageReference> refs = new ArrayList<MessageReference>();


      for (int i = 0; i < numMessages; i++)
      {
         MessageReference ref = generateReference(queue, i);
         ref.getMessage().putStringProperty("color", "red");
         refs.add(ref);


         queue.addTail(ref);
      }


      Assert.assertEquals(10, queue.getMessageCount());
      Assert.assertEquals(0, queue.getScheduledCount());
      Assert.assertEquals(0, queue.getDeliveringCount());


      queue.deliverNow();


      Assert.assertEquals(10, queue.getMessageCount());
      Assert.assertEquals(0, queue.getScheduledCount());
      Assert.assertEquals(0, queue.getDeliveringCount());
      Assert.assertTrue(consumer.getReferences().isEmpty());


      for (int i = numMessages; i < numMessages * 2; i++)
      {
         MessageReference ref = generateReference(queue, i);


         refs.add(ref);
         ref.getMessage().putStringProperty("color", "green");
         queue.addTail(ref);
      }


      Assert.assertEquals(20, queue.getMessageCount());
      Assert.assertEquals(0, queue.getScheduledCount());
      Assert.assertEquals(0, queue.getDeliveringCount());
      Assert.assertTrue(consumer.getReferences().isEmpty());


      consumer.setStatusImmediate(null);


      for (int i = numMessages * 2; i < numMessages * 3; i++)
      {
         MessageReference ref = generateReference(queue, i);


         refs.add(ref);


         queue.addTail(ref);
      }


      queue.deliverNow();


      Assert.assertEquals(numMessages, consumer.getReferences().size());
      Assert.assertEquals(30, queue.getMessageCount());
      Assert.assertEquals(0, queue.getScheduledCount());
      Assert.assertEquals(10, queue.getDeliveringCount());


      List<MessageReference> receeivedRefs = consumer.getReferences();
      int currId = 10;
      for (MessageReference receeivedRef : receeivedRefs)
      {

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      }
   }


   public void testConsumerWithFilterThenAddMoreMessages() throws Exception
   {
      QueueImpl queue = new QueueImpl(1,
                                      QueueImplTest.address1,
                                      QueueImplTest.queue1,
                                      null,
                                      false,
                                      true,
                                      scheduledExecutor,
                                      null,
                                      null,
                                      null,
                                      executor);


      final int numMessages = 10;
      List<MessageReference> refs = new ArrayList<MessageReference>();


      for (int i = 0; i < numMessages; i++)
      {
         MessageReference ref = generateReference(queue, i);
         ref.getMessage().putStringProperty("color", "red");
         refs.add(ref);


         queue.addTail(ref);
      }


      Assert.assertEquals(10, queue.getMessageCount());
      Assert.assertEquals(0, queue.getScheduledCount());
      Assert.assertEquals(0, queue.getDeliveringCount());


      queue.deliverNow();


      Assert.assertEquals(10, queue.getMessageCount());
      Assert.assertEquals(0, queue.getScheduledCount());
      Assert.assertEquals(0, queue.getDeliveringCount());


      for (int i = numMessages; i < numMessages * 2; i++)
      {
         MessageReference ref = generateReference(queue, i);


         refs.add(ref);
         ref.getMessage().putStringProperty("color", "green");
         queue.addTail(ref);
      }


      FakeConsumer consumer = new FakeConsumer(FilterImpl.createFilter("color = 'green'"));


      queue.addConsumer(consumer);


      queue.deliverNow();


      Assert.assertEquals(20, queue.getMessageCount());
      Assert.assertEquals(0, queue.getScheduledCount());
      Assert.assertEquals(10, queue.getDeliveringCount());


      for (int i = numMessages * 2; i < numMessages * 3; i++)
      {
         MessageReference ref = generateReference(queue, i);


         refs.add(ref);
         ref.getMessage().putStringProperty("color", "green");
         queue.addTail(ref);
      }


      queue.deliverNow();


      Assert.assertEquals(20, consumer.getReferences().size());
      Assert.assertEquals(30, queue.getMessageCount());
      Assert.assertEquals(0, queue.getScheduledCount());
      Assert.assertEquals(20, queue.getDeliveringCount());
   }

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   // Private ------------------------------------------------------------------------------


   private void testConsumerWithFilters(final boolean direct) throws Exception
   {
      QueueImpl queue = new QueueImpl(1,
                                      QueueImplTest.address1,
                                      QueueImplTest.queue1,
                                      null,
                                      false,
                                      true,
                                      scheduledExecutor,
                                      new FakePostOffice(),
                                      null,
                                      null,
                                      executor);


      Filter filter = new FakeFilter("fruit", "orange");


      FakeConsumer consumer = new FakeConsumer(filter);


      if (direct)
      {
         queue.addConsumer(consumer);
      }


      List<MessageReference> refs = new ArrayList<MessageReference>();


      MessageReference ref1 = generateReference(queue, 1);


      ref1.getMessage().putStringProperty(new SimpleString("fruit"), new SimpleString("banana"));


      queue.addTail(ref1);


      MessageReference ref2 = generateReference(queue, 2);


      ref2.getMessage().putStringProperty(new SimpleString("cheese"), new SimpleString("stilton"));


      queue.addTail(ref2);


      MessageReference ref3 = generateReference(queue, 3);


      ref3.getMessage().putStringProperty(new SimpleString("cake"), new SimpleString("sponge"));


      queue.addTail(ref3);


      MessageReference ref4 = generateReference(queue, 4);


      ref4.getMessage().putStringProperty(new SimpleString("fruit"), new SimpleString("orange"));


      refs.add(ref4);


      queue.addTail(ref4);


      MessageReference ref5 = generateReference(queue, 5);


      ref5.getMessage().putStringProperty(new SimpleString("fruit"), new SimpleString("apple"));


      queue.addTail(ref5);


      MessageReference ref6 = generateReference(queue, 6);


      ref6.getMessage().putStringProperty(new SimpleString("fruit"), new SimpleString("orange"));


      refs.add(ref6);


      queue.addTail(ref6);


      if (!direct)
      {
         queue.addConsumer(consumer);


         queue.deliverNow();
      }


      Assert.assertEquals(6, queue.getMessageCount());


      awaitExecution();;


      Assert.assertEquals(2, consumer.getReferences().size());


      Assert.assertEquals(2, queue.getDeliveringCount());


      assertRefListsIdenticalRefs(refs, consumer.getReferences());


      queue.acknowledge(ref5);
      queue.acknowledge(ref6);


      queue.removeConsumer(consumer);


      consumer = new FakeConsumer();


      queue.addConsumer(consumer);


      queue.deliverNow();


      Assert.assertEquals(4, queue.getMessageCount());


      Assert.assertEquals(4, consumer.getReferences().size());


      Assert.assertEquals(4, queue.getDeliveringCount());
   }

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   }


   public void testMessageOrder() throws Exception
   {
      FakeConsumer consumer = new FakeConsumer();
      QueueImpl queue = new QueueImpl(1,
                                      QueueImplTest.address1,
                                      QueueImplTest.queue1,
                                      null,
                                      false,
                                      true,
                                      scheduledExecutor,
                                      null,
                                      null,
                                      null,
                                      executor);
      MessageReference messageReference = generateReference(queue, 1);
      MessageReference messageReference2 = generateReference(queue, 2);
      MessageReference messageReference3 = generateReference(queue, 3);
      queue.addHead(messageReference);
      queue.addTail(messageReference2);
      queue.addHead(messageReference3);


      Assert.assertEquals(0, consumer.getReferences().size());
      queue.addConsumer(consumer);
      queue.deliverNow();


      Assert.assertEquals(3, consumer.getReferences().size());
      Assert.assertEquals(messageReference3, consumer.getReferences().get(0));
      Assert.assertEquals(messageReference, consumer.getReferences().get(1));
      Assert.assertEquals(messageReference2, consumer.getReferences().get(2));

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      Assert.assertEquals(messageReference2, consumer.getReferences().get(2));
   }


   public void testMessagesAdded() throws Exception
   {
      QueueImpl queue = new QueueImpl(1,
                                      QueueImplTest.address1,
                                      QueueImplTest.queue1,
                                      null,
                                      false,
                                      true,
                                      scheduledExecutor,
                                      null,
                                      null,
                                      null,
                                      executor);
      MessageReference messageReference = generateReference(queue, 1);
      MessageReference messageReference2 = generateReference(queue, 2);
      MessageReference messageReference3 = generateReference(queue, 3);
      queue.addTail(messageReference);
      queue.addTail(messageReference2);
      queue.addTail(messageReference3);
      Assert.assertEquals(queue.getMessagesAdded(), 3);
   }

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      Assert.assertEquals(queue.getMessagesAdded(), 3);
   }


   public void testGetReference() throws Exception
   {
      QueueImpl queue = new QueueImpl(1,
                                      QueueImplTest.address1,
                                      QueueImplTest.queue1,
                                      null,
                                      false,
                                      true,
                                      scheduledExecutor,
                                      null,
                                      null,
                                      null,
                                      executor);
      MessageReference messageReference = generateReference(queue, 1);
      MessageReference messageReference2 = generateReference(queue, 2);
      MessageReference messageReference3 = generateReference(queue, 3);
      queue.addHead(messageReference);
      queue.addHead(messageReference2);
      queue.addHead(messageReference3);
      Assert.assertEquals(queue.getReference(2), messageReference2);


   }

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   }


   public void testGetNonExistentReference() throws Exception
   {
      QueueImpl queue = new QueueImpl(1,
                                      QueueImplTest.address1,
                                      QueueImplTest.queue1,
                                      null,
                                      false,
                                      true,
                                      scheduledExecutor,
                                      null,
                                      null,
                                      null,
                                      executor);
      MessageReference messageReference = generateReference(queue, 1);
      MessageReference messageReference2 = generateReference(queue, 2);
      MessageReference messageReference3 = generateReference(queue, 3);
      queue.addHead(messageReference);
      queue.addHead(messageReference2);
      queue.addHead(messageReference3);
      Assert.assertNull(queue.getReference(5));


   }

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