Package org.apache.qpid.server.consumer

Examples of org.apache.qpid.server.consumer.MockConsumer$MockSessionModel

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        queueAttributes.put(Queue.NAME, "testActiveConsumerCount");
        queueAttributes.put(Queue.OWNER, "testOwner");
        final StandardQueue queue = new StandardQueue(getVirtualHost(), queueAttributes);

        //verify adding an active consumer increases the count
        final MockConsumer consumer1 = new MockConsumer();
        consumer1.setActive(true);
        consumer1.setState(ConsumerTarget.State.ACTIVE);
        assertEquals("Unexpected active consumer count", 0, queue.getConsumerCountWithCredit());
        queue.addConsumer(consumer1,
                          null,
                          createMessage(-1l).getClass(),
                          "test",
                          EnumSet.of(ConsumerImpl.Option.ACQUIRES,
                                     ConsumerImpl.Option.SEES_REQUEUES));
        assertEquals("Unexpected active consumer count", 1, queue.getConsumerCountWithCredit());

        //verify adding an inactive consumer doesn't increase the count
        final MockConsumer consumer2 = new MockConsumer();
        consumer2.setActive(false);
        consumer2.setState(ConsumerTarget.State.SUSPENDED);
        assertEquals("Unexpected active consumer count", 1, queue.getConsumerCountWithCredit());
        queue.addConsumer(consumer2,
                          null,
                          createMessage(-1l).getClass(),
                          "test",
                          EnumSet.of(ConsumerImpl.Option.ACQUIRES,
                                     ConsumerImpl.Option.SEES_REQUEUES));
        assertEquals("Unexpected active consumer count", 1, queue.getConsumerCountWithCredit());

        //verify behaviour in face of expected state changes:

        //verify a consumer going suspended->active increases the count
        consumer2.setState(ConsumerTarget.State.ACTIVE);
        assertEquals("Unexpected active consumer count", 2, queue.getConsumerCountWithCredit());

        //verify a consumer going active->suspended decreases the count
        consumer2.setState(ConsumerTarget.State.SUSPENDED);
        assertEquals("Unexpected active consumer count", 1, queue.getConsumerCountWithCredit());

        //verify a consumer going suspended->closed doesn't change the count
        consumer2.setState(ConsumerTarget.State.CLOSED);
        assertEquals("Unexpected active consumer count", 1, queue.getConsumerCountWithCredit());

        //verify a consumer going active->active doesn't change the count
        consumer1.setState(ConsumerTarget.State.ACTIVE);
        assertEquals("Unexpected active consumer count", 1, queue.getConsumerCountWithCredit());
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    public void testEnqueueDequeuedEntry() throws Exception
    {
        // create a queue where each even entry is considered a dequeued
        AbstractQueue queue = new DequeuedQueue(getVirtualHost());
        // create a consumer
        MockConsumer consumer = new MockConsumer();

        // register consumer
        queue.addConsumer(consumer,
                          null,
                          createMessage(-1l).getClass(),
                          "test",
                          EnumSet.of(ConsumerImpl.Option.ACQUIRES,
                                     ConsumerImpl.Option.SEES_REQUEUES));

        // put test messages into a queue
        putGivenNumberOfMessages(queue, 4);

        // assert received messages
        List<MessageInstance> messages = consumer.getMessages();
        assertEquals("Only 2 messages should be returned", 2, messages.size());
        assertEquals("ID of first message should be 1", 1l,
                     (messages.get(0).getMessage()).getMessageNumber());
        assertEquals("ID of second message should be 3", 3l,
                     (messages.get(1).getMessage()).getMessageNumber());
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        // latch to wait for message receipt
        final CountDownLatch latch = new CountDownLatch(messageNumber -1);

        // create a consumer
        MockConsumer consumer = new MockConsumer()
        {
            /**
             * Send a message and decrement latch
             * @param entry
             * @param batch
             */
            public void send(MessageInstance entry, boolean batch)
            {
                super.send(entry, batch);
                latch.countDown();
            }
        };

        // subscribe
        testQueue.addConsumer(consumer,
                              null,
                              entries.get(0).getMessage().getClass(),
                              "test",
                              EnumSet.of(ConsumerImpl.Option.ACQUIRES,
                                         ConsumerImpl.Option.SEES_REQUEUES));

        // process queue
        testQueue.processQueue(new QueueRunner(testQueue)
        {
            public void run()
            {
                // do nothing
            }
        });

        // wait up to 1 minute for message receipt
        try
        {
            latch.await(1, TimeUnit.MINUTES);
        }
        catch (InterruptedException e1)
        {
            Thread.currentThread().interrupt();
        }
        List<MessageInstance> expected = Arrays.asList((MessageInstance) entries.get(0), entries.get(2), entries.get(3));
        verifyReceivedMessages(expected, consumer.getMessages());
    }
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    public void testReleaseForQueueWithMultipleConsumers() throws Exception
    {
        ServerMessage messageA = createMessage(new Long(24));
        ServerMessage messageB = createMessage(new Long(25));

        MockConsumer target1 = new MockConsumer();
        MockConsumer target2 = new MockConsumer();


        QueueConsumer consumer1 = (QueueConsumer) _queue.addConsumer(target1, null, messageA.getClass(), "test",
                                                         EnumSet.of(ConsumerImpl.Option.ACQUIRES,
                                                                    ConsumerImpl.Option.SEES_REQUEUES));

        QueueConsumer consumer2 = (QueueConsumer) _queue.addConsumer(target2, null, messageA.getClass(), "test",
                                                         EnumSet.of(ConsumerImpl.Option.ACQUIRES,
                                                                    ConsumerImpl.Option.SEES_REQUEUES));


        final ArrayList<QueueEntry> queueEntries = new ArrayList<QueueEntry>();
        EntryListAddingAction postEnqueueAction = new EntryListAddingAction(queueEntries);

        /* Enqueue two messages */

        _queue.enqueue(messageA, postEnqueueAction);
        _queue.enqueue(messageB, postEnqueueAction);

        Thread.sleep(150);  // Work done by SubFlushRunner/QueueRunner Threads

        assertEquals("Unexpected total number of messages sent to both after enqueue",
                     2,
                     target1.getMessages().size() + target2.getMessages().size());

        /* Now release the first message only, causing it to be requeued */
        queueEntries.get(0).release();

        Thread.sleep(150); // Work done by SubFlushRunner/QueueRunner Threads

        assertEquals("Unexpected total number of messages sent to both consumers after release",
                     3,
                     target1.getMessages().size() + target2.getMessages().size());
        assertNull("releasedEntry should be cleared after requeue processed",
                   consumer1.getQueueContext().getReleasedEntry());
        assertNull("releasedEntry should be cleared after requeue processed",
                   consumer2.getQueueContext().getReleasedEntry());
    }
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        {
        }
        assertEquals(messageA, _consumer.getQueueContext().getLastSeenEntry().getMessage());

        // Check we cannot add a second subscriber to the queue
        MockConsumer subB = new MockConsumer();
        Exception ex = null;
        try
        {

            _queue.addConsumer(subB, null, messageA.getClass(), "test",
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        // the first consumer as the processQueue method proceeds.
        List<String> msgListSub1 = createEntriesList(msg1, msg2, msg3);
        List<String> msgListSub2 = createEntriesList(msg4);
        List<String> msgListSub3 = createEntriesList(msg5);

        MockConsumer sub1 = new MockConsumer(msgListSub1);
        MockConsumer sub2 = new MockConsumer(msgListSub2);
        MockConsumer sub3 = new MockConsumer(msgListSub3);

        // register the consumers
        testQueue.addConsumer(sub1, sub1.getFilters(), msg1.getMessage().getClass(), "test",
                              EnumSet.of(ConsumerImpl.Option.ACQUIRES, ConsumerImpl.Option.SEES_REQUEUES));
        testQueue.addConsumer(sub2, sub2.getFilters(), msg1.getMessage().getClass(), "test",
                              EnumSet.of(ConsumerImpl.Option.ACQUIRES, ConsumerImpl.Option.SEES_REQUEUES));
        testQueue.addConsumer(sub3, sub3.getFilters(), msg1.getMessage().getClass(), "test",
                              EnumSet.of(ConsumerImpl.Option.ACQUIRES, ConsumerImpl.Option.SEES_REQUEUES));

        //check that no messages have been delivered to the
        //consumers during registration
        assertEquals("No messages should have been delivered yet", 0, sub1.getMessages().size());
        assertEquals("No messages should have been delivered yet", 0, sub2.getMessages().size());
        assertEquals("No messages should have been delivered yet", 0, sub3.getMessages().size());

        // call processQueue to deliver the messages
        testQueue.processQueue(new QueueRunner(testQueue)
        {
            @Override
            public void run()
            {
                // we don't actually want/need this runner to do any work
                // because we we are already doing it!
            }
        });

        // check expected messages delivered to correct consumers
        verifyReceivedMessages(Arrays.asList((MessageInstance)msg1,msg2,msg3), sub1.getMessages());
        verifyReceivedMessages(Collections.singletonList((MessageInstance)msg4), sub2.getMessages());
        verifyReceivedMessages(Collections.singletonList((MessageInstance)msg5), sub3.getMessages());
    }
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    public void testReleaseForQueueWithMultipleConsumers() throws Exception
    {
        ServerMessage messageA = createMessage(new Long(24));
        ServerMessage messageB = createMessage(new Long(25));

        MockConsumer target1 = new MockConsumer();
        MockConsumer target2 = new MockConsumer();


        QueueConsumer consumer1 = (QueueConsumer) _queue.addConsumer(target1, null, messageA.getClass(), "test",
                                                         EnumSet.of(ConsumerImpl.Option.ACQUIRES,
                                                                    ConsumerImpl.Option.SEES_REQUEUES));

        QueueConsumer consumer2 = (QueueConsumer) _queue.addConsumer(target2, null, messageA.getClass(), "test",
                                                         EnumSet.of(ConsumerImpl.Option.ACQUIRES,
                                                                    ConsumerImpl.Option.SEES_REQUEUES));


        final ArrayList<QueueEntry> queueEntries = new ArrayList<QueueEntry>();
        EntryListAddingAction postEnqueueAction = new EntryListAddingAction(queueEntries);

        /* Enqueue two messages */

        _queue.enqueue(messageA, postEnqueueAction);
        _queue.enqueue(messageB, postEnqueueAction);

        Thread.sleep(150);  // Work done by SubFlushRunner/QueueRunner Threads

        assertEquals("Unexpected total number of messages sent to both after enqueue",
                     2,
                     target1.getMessages().size() + target2.getMessages().size());

        /* Now release the first message only, causing it to be requeued */
        queueEntries.get(0).release();

        Thread.sleep(150); // Work done by SubFlushRunner/QueueRunner Threads

        assertEquals("Unexpected total number of messages sent to both consumers after release",
                     3,
                     target1.getMessages().size() + target2.getMessages().size());
        assertNull("releasedEntry should be cleared after requeue processed",
                   consumer1.getQueueContext().getReleasedEntry());
        assertNull("releasedEntry should be cleared after requeue processed",
                   consumer2.getQueueContext().getReleasedEntry());
    }
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        {
        }
        assertEquals(messageA, _consumer.getQueueContext().getLastSeenEntry().getMessage());

        // Check we cannot add a second subscriber to the queue
        MockConsumer subB = new MockConsumer();
        Exception ex = null;
        try
        {

            _queue.addConsumer(subB, null, messageA.getClass(), "test",
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        // the first consumer as the processQueue method proceeds.
        List<String> msgListSub1 = createEntriesList(msg1, msg2, msg3);
        List<String> msgListSub2 = createEntriesList(msg4);
        List<String> msgListSub3 = createEntriesList(msg5);

        MockConsumer sub1 = new MockConsumer(msgListSub1);
        MockConsumer sub2 = new MockConsumer(msgListSub2);
        MockConsumer sub3 = new MockConsumer(msgListSub3);

        // register the consumers
        testQueue.addConsumer(sub1, sub1.getFilters(), msg1.getMessage().getClass(), "test",
                              EnumSet.of(ConsumerImpl.Option.ACQUIRES, ConsumerImpl.Option.SEES_REQUEUES));
        testQueue.addConsumer(sub2, sub2.getFilters(), msg1.getMessage().getClass(), "test",
                              EnumSet.of(ConsumerImpl.Option.ACQUIRES, ConsumerImpl.Option.SEES_REQUEUES));
        testQueue.addConsumer(sub3, sub3.getFilters(), msg1.getMessage().getClass(), "test",
                              EnumSet.of(ConsumerImpl.Option.ACQUIRES, ConsumerImpl.Option.SEES_REQUEUES));

        //check that no messages have been delivered to the
        //consumers during registration
        assertEquals("No messages should have been delivered yet", 0, sub1.getMessages().size());
        assertEquals("No messages should have been delivered yet", 0, sub2.getMessages().size());
        assertEquals("No messages should have been delivered yet", 0, sub3.getMessages().size());

        // call processQueue to deliver the messages
        testQueue.processQueue(new QueueRunner(testQueue)
        {
            @Override
            public void run()
            {
                // we don't actually want/need this runner to do any work
                // because we we are already doing it!
            }
        });

        // check expected messages delivered to correct consumers
        verifyReceivedMessages(Arrays.asList((MessageInstance)msg1,msg2,msg3), sub1.getMessages());
        verifyReceivedMessages(Collections.singletonList((MessageInstance)msg4), sub2.getMessages());
        verifyReceivedMessages(Collections.singletonList((MessageInstance)msg5), sub3.getMessages());
    }
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        queueAttributes.put(Queue.NAME, "testActiveConsumerCount");
        queueAttributes.put(Queue.OWNER, "testOwner");
        final StandardQueueImpl queue = new StandardQueueImpl(queueAttributes, getVirtualHost());
        queue.open();
        //verify adding an active consumer increases the count
        final MockConsumer consumer1 = new MockConsumer();
        consumer1.setActive(true);
        consumer1.setState(ConsumerTarget.State.ACTIVE);
        assertEquals("Unexpected active consumer count", 0, queue.getConsumerCountWithCredit());
        queue.addConsumer(consumer1,
                          null,
                          createMessage(-1l).getClass(),
                          "test",
                          EnumSet.of(ConsumerImpl.Option.ACQUIRES,
                                     ConsumerImpl.Option.SEES_REQUEUES));
        assertEquals("Unexpected active consumer count", 1, queue.getConsumerCountWithCredit());

        //verify adding an inactive consumer doesn't increase the count
        final MockConsumer consumer2 = new MockConsumer();
        consumer2.setActive(false);
        consumer2.setState(ConsumerTarget.State.SUSPENDED);
        assertEquals("Unexpected active consumer count", 1, queue.getConsumerCountWithCredit());
        queue.addConsumer(consumer2,
                          null,
                          createMessage(-1l).getClass(),
                          "test",
                          EnumSet.of(ConsumerImpl.Option.ACQUIRES,
                                     ConsumerImpl.Option.SEES_REQUEUES));
        assertEquals("Unexpected active consumer count", 1, queue.getConsumerCountWithCredit());

        //verify behaviour in face of expected state changes:

        //verify a consumer going suspended->active increases the count
        consumer2.setState(ConsumerTarget.State.ACTIVE);
        assertEquals("Unexpected active consumer count", 2, queue.getConsumerCountWithCredit());

        //verify a consumer going active->suspended decreases the count
        consumer2.setState(ConsumerTarget.State.SUSPENDED);
        assertEquals("Unexpected active consumer count", 1, queue.getConsumerCountWithCredit());

        //verify a consumer going suspended->closed doesn't change the count
        consumer2.setState(ConsumerTarget.State.CLOSED);
        assertEquals("Unexpected active consumer count", 1, queue.getConsumerCountWithCredit());

        //verify a consumer going active->active doesn't change the count
        consumer1.setState(ConsumerTarget.State.ACTIVE);
        assertEquals("Unexpected active consumer count", 1, queue.getConsumerCountWithCredit());
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Related Classes of org.apache.qpid.server.consumer.MockConsumer$MockSessionModel

  • org.apache.qpid.server.filter.MessageFilter
  • org.apache.qpid.server.filter.SimpleFilterManager
  • org.apache.qpid.server.model.ConfiguredObjectFactory
  • org.apache.qpid.server.model.ConfiguredObjectFactoryImpl
  • org.apache.qpid.server.queue.AbstractQueueTestBase
  • org.apache.qpid.server.queue.StandardQueueTest
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