Package org.apache.qpid.server

Examples of org.apache.qpid.server.AMQChannel


    }

    public void contentHeaderReceived(int channelId, ContentHeaderBody body) throws AMQException
    {

        AMQChannel channel = getAndAssertChannel(channelId);

        channel.publishContentHeader(body);

    }
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    }

    public void contentBodyReceived(int channelId, ContentBody body) throws AMQException
    {
        AMQChannel channel = getAndAssertChannel(channelId);

        channel.publishContentBody(body);
    }
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        }
    }

    public AMQChannel getAndAssertChannel(int channelId) throws AMQException
    {
        AMQChannel channel = getChannel(channelId);
        if (channel == null)
        {
            throw new AMQException(AMQConstant.NOT_FOUND, "Channel not found with id:" + channelId);
        }
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        return channel;
    }

    public AMQChannel getChannel(int channelId)
    {
        final AMQChannel channel =
                ((channelId & CHANNEL_CACHE_SIZE) == channelId) ? _cachedChannels[channelId] : _channelMap.get(channelId);
        if ((channel == null) || channel.isClosing())
        {
            return null;
        }
        else
        {
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     * @throws AMQException             if an error occurs closing the channel
     * @throws IllegalArgumentException if the channel id is not valid
     */
    public void closeChannel(int channelId) throws AMQException
    {
        final AMQChannel channel = getChannel(channelId);
        if (channel == null)
        {
            throw new IllegalArgumentException("Unknown channel id");
        }
        else
        {
            try
            {
                channel.close();
                markChannelAwaitingCloseOk(channelId);
            }
            finally
            {
                removeChannel(channelId);
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        AMQQueue queue;
       
        //TODO: do we need to check that the queue already exists with exactly the same "configuration"?

        AMQChannel channel = protocolConnection.getChannel(channelId);

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

        synchronized (queueRegistry)
        {
            queue = queueRegistry.getQueue(queueName);

            AMQSessionModel owningSession = null;

            if (queue != null)
            {
                owningSession = queue.getExclusiveOwningSession();
            }

            if (queue == null)
            {
                if (body.getPassive())
                {
                    String msg = "Queue: " + queueName + " not found on VirtualHost(" + virtualHost + ").";
                    throw body.getChannelException(AMQConstant.NOT_FOUND, msg);
                }
                else
                {
                    queue = createQueue(queueName, body, virtualHost, protocolConnection);
                    queue.setAuthorizationHolder(protocolConnection);
                    if (queue.isDurable() && !queue.isAutoDelete())
                    {
                        store.createQueue(queue, body.getArguments());
                    }
                    if(body.getAutoDelete())
                    {
                        queue.setDeleteOnNoConsumers(true);
                    }
                    queueRegistry.registerQueue(queue);
                    if (body.getExclusive())
                    {
                        queue.setExclusiveOwningSession(protocolConnection.getChannel(channelId));
                        queue.setAuthorizationHolder(protocolConnection);

                        if(!body.getDurable())
                        {
                            final AMQQueue q = queue;
                            final AMQProtocolSession.Task sessionCloseTask = new AMQProtocolSession.Task()
                            {
                                public void doTask(AMQProtocolSession session) throws AMQException
                                {
                                    q.setExclusiveOwningSession(null);
                                }
                            };
                            protocolConnection.addSessionCloseTask(sessionCloseTask);
                            queue.addQueueDeleteTask(new AMQQueue.Task() {
                                public void doTask(AMQQueue queue) throws AMQException
                                {
                                    protocolConnection.removeSessionCloseTask(sessionCloseTask);
                                }
                            });
                        }
                    }
                    if (autoRegister)
                    {
                        Exchange defaultExchange = exchangeRegistry.getDefaultExchange();

                        virtualHost.getBindingFactory().addBinding(String.valueOf(queueName), queue, defaultExchange, Collections.EMPTY_MAP);
                        _logger.info("Queue " + queueName + " bound to default exchange(" + defaultExchange.getNameShortString() + ")");
                    }
                }
            }
            else if (queue.isExclusive() && !queue.isDurable() && (owningSession == null || owningSession.getConnectionModel() != protocolConnection))
            {
                throw body.getConnectionException(AMQConstant.NOT_ALLOWED,
                                                  "Queue " + queue.getNameShortString() + " is exclusive, but not created on this Connection.");
            }
            else if(!body.getPassive() && ((queue.isExclusive()) != body.getExclusive()))
            {

                throw body.getChannelException(AMQConstant.ALREADY_EXISTS,
                                                  "Cannot re-declare queue '" + queue.getNameShortString() + "' with different exclusivity (was: "
                                                    + queue.isExclusive() + " requested " + body.getExclusive() + ")");
            }
            else if (!body.getPassive() && body.getExclusive() && !(queue.isDurable() ? String.valueOf(queue.getOwner()).equals(session.getClientID()) : (owningSession == null || owningSession.getConnectionModel() == protocolConnection)))
            {
                throw body.getChannelException(AMQConstant.ALREADY_EXISTS, "Cannot declare queue('" + queueName + "'), "
                                                                           + "as exclusive queue with same name "
                                                                           + "declared on another client ID('"
                                                                           + queue.getOwner() + "') your clientID('" + session.getClientID() + "')");

            }
            else if(!body.getPassive() && queue.isAutoDelete() != body.getAutoDelete())
            {
                throw body.getChannelException(AMQConstant.ALREADY_EXISTS,
                                                  "Cannot re-declare queue '" + queue.getNameShortString() + "' with different auto-delete (was: "
                                                    + queue.isAutoDelete() + " requested " + body.getAutoDelete() + ")");
            }
            else if(!body.getPassive() && queue.isDurable() != body.getDurable())
            {
                throw body.getChannelException(AMQConstant.ALREADY_EXISTS,
                                                  "Cannot re-declare queue '" + queue.getNameShortString() + "' with different durability (was: "
                                                    + queue.isDurable() + " requested " + body.getDurable() + ")");
            }



            //set this as the default queue on the channel:
            channel.setDefaultQueue(queue);
        }

        if (!body.getNowait())
        {
            channel.sync();
            MethodRegistry methodRegistry = protocolConnection.getMethodRegistry();
            QueueDeclareOkBody responseBody =
                    methodRegistry.createQueueDeclareOkBody(queueName,
                                                            queue.getMessageCount(),
                                                            queue.getConsumerCount());
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    }

    public void contentHeaderReceived(int channelId, ContentHeaderBody body) throws AMQException
    {

        AMQChannel channel = getAndAssertChannel(channelId);

        channel.publishContentHeader(body);

    }
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    }

    public void contentBodyReceived(int channelId, ContentBody body) throws AMQException
    {
        AMQChannel channel = getAndAssertChannel(channelId);

        channel.publishContentBody(body);
    }
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        }
    }

    public AMQChannel getAndAssertChannel(int channelId) throws AMQException
    {
        AMQChannel channel = getChannel(channelId);
        if (channel == null)
        {
            throw new AMQException(AMQConstant.NOT_FOUND, "Channel not found with id:" + channelId);
        }
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        return channel;
    }

    public AMQChannel getChannel(int channelId)
    {
        final AMQChannel channel =
                ((channelId & CHANNEL_CACHE_SIZE) == channelId) ? _cachedChannels[channelId] : _channelMap.get(channelId);
        if ((channel == null) || channel.isClosing())
        {
            return null;
        }
        else
        {
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