Package org.apache.qpid.server

Examples of org.apache.qpid.server.AMQChannel

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    public void methodReceived(AMQStateManager stateManager, AMQMethodEvent<BasicRecoverBody> evt) throws AMQException
    {
        AMQProtocolSession session = stateManager.getProtocolSession();

        _logger.debug("Recover received on protocol session " + session + " and channel " + evt.getChannelId());
        AMQChannel channel = session.getChannel(evt.getChannelId());
        BasicRecoverBody body = evt.getMethod();

        if (channel == null)
        {
            throw body.getChannelNotFoundException(evt.getChannelId());
        }

        channel.resend(body.requeue);

        // AMQP version change: Hardwire the version to 0-8 (major=8, minor=0)
        // TODO: Connect this to the session version obtained from ProtocolInitiation for this session.
        // Be aware of possible changes to parameter order as versions change.
        session.writeFrame(BasicRecoverOkBody.createAMQFrame(evt.getChannelId(), (byte) 8, (byte) 0));
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    {
        AMQProtocolSession session = stateManager.getProtocolSession();

        try
        {
            AMQChannel channel = session.getChannel(evt.getChannelId());

            if (channel == null)
            {
                throw evt.getMethod().getChannelNotFoundException(evt.getChannelId());
            }

            channel.rollback();
            // AMQP version change: Hardwire the version to 0-8 (major=8, minor=0)
            // TODO: Connect this to the session version obtained from ProtocolInitiation for this session.
            // Be aware of possible changes to parameter order as versions change.
            session.writeFrame(TxRollbackOkBody.createAMQFrame(evt.getChannelId(), (byte) 8, (byte) 0));
            //Now resend all the unacknowledged messages back to the original subscribers.
            //(Must be done after the TxnRollback-ok response).
            // Why, are we not allowed to send messages back to client before the ok method?
            channel.resend(false);
        }
        catch (AMQException e)
        {
            throw evt.getMethod().getChannelException(e.getErrorCode(), "Failed to rollback: " + e.getMessage());
        }
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    public Subscription createSubscription(int channelId, AMQProtocolSession protocolSession,
                                           AMQShortString consumerTag, boolean acks, FieldTable filters,
                                           boolean noLocal, FlowCreditManager creditManager) throws AMQException
    {
        AMQChannel channel = protocolSession.getChannel(channelId);
        if (channel == null)
        {
            throw new AMQException(AMQConstant.NOT_FOUND, "channel :" + channelId + " not found in protocol session");
        }
        ClientDeliveryMethod clientMethod = channel.getClientDeliveryMethod();
        RecordDeliveryMethod recordMethod = channel.getRecordDeliveryMethod();


        return createSubscription(channel, protocolSession, consumerTag, acks, filters,
                                  noLocal,
                                  creditManager,
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        {
            throw new AMQException(AMQConstant.COMMAND_INVALID, "Virtualhost has not yet been set. ConnectionOpen has not been called.", null);
        }
        _logger.info("Connecting to: " + virtualHost.getName());

        final AMQChannel channel = new AMQChannel(session,channelId, virtualHost.getMessageStore());
       
        session.addChannel(channel);

        ChannelOpenOkBody response;
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        else
        {
            // The partially populated BasicDeliver frame plus the received route body
            // is stored in the channel. Once the final body frame has been received
            // it is routed to the exchange.
            AMQChannel channel = session.getChannel(channelId);

            if (channel == null)
            {
                throw body.getChannelNotFoundException(channelId);
            }

            MessagePublishInfo info = session.getMethodRegistry().getProtocolVersionMethodConverter().convertToInfo(body);
            info.setExchange(exchangeName);
            channel.setPublishFrame(info, exch);
        }
    }
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    public void methodReceived(AMQStateManager stateManager, BasicConsumeBody body, int channelId) throws AMQException
    {
        AMQProtocolSession protocolConnection = stateManager.getProtocolSession();

        AMQChannel channel = protocolConnection.getChannel(channelId);

        VirtualHost vHost = protocolConnection.getVirtualHost();

        if (channel == null)
        {
            throw body.getChannelNotFoundException(channelId);
        }
        else
        {
            if (_logger.isDebugEnabled())
            {
                _logger.debug("BasicConsume: from '" + body.getQueue() +
                              "' for:" + body.getConsumerTag() +
                              " nowait:" + body.getNowait() +
                              " args:" + body.getArguments());
            }

            AMQQueue queue = body.getQueue() == null ? channel.getDefaultQueue() : vHost.getQueueRegistry().getQueue(body.getQueue().intern());

            if (queue == null)
            {
                if (_logger.isDebugEnabled())
                {
                    _logger.debug("No queue for '" + body.getQueue() + "'");
                }
                if (body.getQueue() != null)
                {
                    String msg = "No such queue, '" + body.getQueue() + "'";
                    throw body.getChannelException(AMQConstant.NOT_FOUND, msg);
                }
                else
                {
                    String msg = "No queue name provided, no default queue defined.";
                    throw body.getConnectionException(AMQConstant.NOT_ALLOWED, msg);
                }
            }
            else
            {
                final AMQShortString consumerTagName;

                if (queue.isExclusive() && !queue.isDurable())
                {
                    AMQSessionModel session = queue.getExclusiveOwningSession();
                    if (session == null || session.getConnectionModel() != protocolConnection)
                    {
                        throw body.getConnectionException(AMQConstant.NOT_ALLOWED,
                                                          "Queue " + queue.getNameShortString() + " is exclusive, but not created on this Connection.");
                    }
                }

                if (body.getConsumerTag() != null)
                {
                    consumerTagName = body.getConsumerTag().intern();
                }
                else
                {
                    consumerTagName = null;
                }

                try
                {
                    if(consumerTagName == null || channel.getSubscription(consumerTagName) == null)
                    {

                        AMQShortString consumerTag = channel.subscribeToQueue(consumerTagName, queue, !body.getNoAck(),
                                                                              body.getArguments(), body.getNoLocal(), body.getExclusive());
                        if (!body.getNowait())
                        {
                            MethodRegistry methodRegistry = protocolConnection.getMethodRegistry();
                            AMQMethodBody responseBody = methodRegistry.createBasicConsumeOkBody(consumerTag);
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        final AMQQueue queue;
        final AMQShortString routingKey;              

        if (body.getQueue() == null)
        {
            AMQChannel channel = session.getChannel(channelId);

            if (channel == null)
            {
                throw body.getChannelNotFoundException(channelId);
            }

            queue = channel.getDefaultQueue();

            if (queue == null)
            {
                throw body.getChannelException(AMQConstant.NOT_FOUND, "No default queue defined on channel and queue was null");
            }
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    }

    public void methodReceived(AMQStateManager stateManager, BasicQosBody body, int channelId) throws AMQException
    {
        AMQProtocolSession session = stateManager.getProtocolSession();
        AMQChannel channel = session.getChannel(channelId);
        if (channel == null)
        {
            throw body.getChannelNotFoundException(channelId);
        }

        channel.setCredit(body.getPrefetchSize(), body.getPrefetchCount());


        MethodRegistry methodRegistry = session.getMethodRegistry();
        AMQMethodBody responseBody = methodRegistry.createBasicQosOkBody();
        session.writeFrame(responseBody.generateFrame(channelId));
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        final AMQQueue queue;
        final AMQShortString routingKey;

        if (body.getQueue() == null)
        {
            AMQChannel channel = protocolConnection.getChannel(channelId);

            if (channel == null)
            {
                throw body.getChannelNotFoundException(channelId);
            }

            queue = channel.getDefaultQueue();

            if (queue == null)
            {
                throw body.getChannelException(AMQConstant.NOT_FOUND, "No default queue defined on channel and queue was null");
            }
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    {
        AMQProtocolSession protocolConnection = stateManager.getProtocolSession();
        VirtualHost virtualHost = protocolConnection.getVirtualHost();
        QueueRegistry queueRegistry = virtualHost.getQueueRegistry();

        AMQChannel channel = protocolConnection.getChannel(channelId);


        AMQQueue queue;
        if(body.getQueue() == null)
        {

           if (channel == null)
           {
               throw body.getChannelNotFoundException(channelId);
           }

           //get the default queue on the channel:
           queue = channel.getDefaultQueue();
           
            if(queue == null)
            {
                if(_failIfNotFound)
                {
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Related Classes of org.apache.qpid.server.AMQChannel

  • org.apache.qpid.framing.abstraction.ContentChunk
  • org.apache.qpid.framing.AMQMethodBody
  • org.apache.qpid.framing.AMQShortString
  • org.apache.qpid.framing.BasicContentHeaderProperties
  • org.apache.qpid.framing.MethodRegistry
  • org.apache.qpid.server.ack.TxAck
  • org.apache.qpid.server.ack.UnacknowledgedMessage
  • org.apache.qpid.server.ack.UnacknowledgedMessageMap
  • org.apache.qpid.server.ack.UnacknowledgedMessageMapImpl
  • org.apache.qpid.server.cluster.ClusteredProtocolSession
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