Package org.apache.qpid.server.subscription

Examples of org.apache.qpid.server.subscription.Subscription

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            {
                channel.addUnacknowledgedMessage(entry, deliveryTag, null);
            }
        };

        Subscription sub;
        if(acks)
        {
            sub = SubscriptionFactoryImpl.INSTANCE.createSubscription(channel, session, null, acks, null, false, singleMessageCredit, getDeliveryMethod, getRecordMethod);
        }
        else
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     *
     * @return Subscription that performed the aquire
     */
    private Subscription createSubscriptionAndAquireMessages(LinkedList<QueueEntry> messageList)
    {
        Subscription subscription = new MockSubscription();

        // Aquire messages in subscription
        for (QueueEntry entry : messageList)
        {
            entry.acquire(subscription);
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     *
     * @throws AMQException the visit interface throws this
     */
    public void testRequeueDueToSubscriptionClosure() throws AMQException
    {
        Subscription subscription = createSubscriptionAndAquireMessages(_referenceList);

        // Close subscription
        subscription.close();

        final Map<Long, QueueEntry> msgToRequeue = new LinkedHashMap<Long, QueueEntry>();
        final Map<Long, QueueEntry> msgToResend = new LinkedHashMap<Long, QueueEntry>();

        // requeueIfUnabletoResend doesn't matter here.
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     */
    public void testDifferingSubscriptionTypesShareCommonIdNumberingSequence() throws Exception
    {
        //create a No-Ack subscription, get the first Subscription ID
        long previousId = 0;
        Subscription noAckSub = SubscriptionFactoryImpl.INSTANCE.createSubscription(1, _session, new AMQShortString("1"), false, null, false, _channel.getCreditManager());
        previousId = noAckSub.getSubscriptionID();

        //create an ack subscription, verify the next Subscription ID is used
        Subscription ackSub = SubscriptionFactoryImpl.INSTANCE.createSubscription(1, _session, new AMQShortString("1"), true, null, false, _channel.getCreditManager());
        assertEquals("Unexpected Subscription ID allocated", previousId + 1, ackSub.getSubscriptionID());
        previousId = ackSub.getSubscriptionID();

        //create a browser subscription
        FieldTable filters = new FieldTable();
        filters.put(AMQPFilterTypes.NO_CONSUME.getValue(), true);
        Subscription browerSub = SubscriptionFactoryImpl.INSTANCE.createSubscription(1, _session, new AMQShortString("1"), true, null, false, _channel.getCreditManager());
        assertEquals("Unexpected Subscription ID allocated", previousId + 1, browerSub.getSubscriptionID());
        previousId = browerSub.getSubscriptionID();

        //create an BasicGet NoAck subscription
        Subscription getNoAckSub = SubscriptionFactoryImpl.INSTANCE.createBasicGetNoAckSubscription(_channel, _session, new AMQShortString("1"), null, false,
                _channel.getCreditManager(),_channel.getClientDeliveryMethod(), _channel.getRecordDeliveryMethod());
        assertEquals("Unexpected Subscription ID allocated", previousId + 1, getNoAckSub.getSubscriptionID());
        previousId = getNoAckSub.getSubscriptionID();

    }
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        {
        }
        assertEquals(messageA, _subscription.getQueueContext().getLastSeenEntry().getMessage());

        // Check we cannot add a second subscriber to the queue
        Subscription subB = new MockSubscription();
        Exception ex = null;
        try
        {
            _queue.registerSubscription(subB, false);
        }
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        if (_tag2SubscriptionMap.containsKey(tag))
        {
            throw new AMQException("Consumer already exists with same tag: " + tag);
        }

         Subscription subscription =
                SubscriptionFactoryImpl.INSTANCE.createSubscription(_channelId, _session, tag, acks, filters, noLocal, _creditManager);


        // So to keep things straight we put before the call and catch all exceptions from the register and tidy up.
        // We add before we register as the Async Delivery process may AutoClose the subscriber
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     * @throws AMQException
     */
    public boolean unsubscribeConsumer(AMQShortString consumerTag) throws AMQException
    {

        Subscription sub = _tag2SubscriptionMap.remove(consumerTag);
        if (sub != null)
        {
            try
            {
                sub.getSendLock();
                sub.getQueue().unregisterSubscription(sub);
            }
            finally
            {
                sub.releaseSendLock();
            }
            return true;
        }
        else
        {
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            if (_logger.isInfoEnabled())
            {
                _logger.info("Unsubscribing consumer '" + me.getKey() + "' on channel " + toString());
            }

            Subscription sub = me.getValue();

            try
            {
                sub.getSendLock();
                sub.getQueue().unregisterSubscription(sub);
            }
            finally
            {
                sub.releaseSendLock();
            }

        }

        _tag2SubscriptionMap.clear();
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            // Without any details from the client about what has been processed we have to mark
            // all messages in the unacked map as redelivered.
            message.setRedelivered();

            Subscription sub = message.getDeliveredSubscription();

            if (sub != null)
            {

                if(!queue.resend(message,sub))
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        postRollbackTask.run();

        for(QueueEntry entry : _resendList)
        {
            Subscription sub = entry.getDeliveredSubscription();
            if(sub == null || sub.isClosed())
            {
                entry.release();
            }
            else
            {
                sub.getQueue().resend(entry, sub);
            }
        }
        _resendList.clear();

        if(requiresSuspend)
        {
            _suspended.set(false);
            for(Subscription sub : _tag2SubscriptionMap.values())
            {
                sub.getQueue().deliverAsync(sub);
            }

        }

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Related Classes of org.apache.qpid.server.subscription.Subscription

  • org.apache.qpid.server.AMQChannel
  • org.apache.qpid.server.ExtractResendAndRequeue
  • org.apache.qpid.server.ExtractResendAndRequeueTest
  • org.apache.qpid.server.handler.BasicGetMethodHandler
  • org.apache.qpid.server.management.plugin.servlet.rest.MessageServlet
  • org.apache.qpid.server.protocol.v0_8.AMQChannel
  • org.apache.qpid.server.protocol.v0_8.ExtractResendAndRequeue
  • org.apache.qpid.server.protocol.v0_8.ExtractResendAndRequeueTest
  • org.apache.qpid.server.protocol.v0_8.handler.BasicGetMethodHandler
  • org.apache.qpid.server.protocol.v0_8.SubscriptionFactoryImplTest
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