Package org.apache.qpid.server.exchange

Examples of org.apache.qpid.server.exchange.ExchangeRegistry

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    public void methodReceived(AMQStateManager stateManager, QueueBindBody body, int channelId) throws AMQException
    {
        AMQProtocolSession session = stateManager.getProtocolSession();
        VirtualHost virtualHost = session.getVirtualHost();
        ExchangeRegistry exchangeRegistry = virtualHost.getExchangeRegistry();
        QueueRegistry queueRegistry = virtualHost.getQueueRegistry();


        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");
            }

            if (body.getRoutingKey() == null)
            {
                routingKey = queue.getName();
            }
            else
            {
                routingKey = body.getRoutingKey().intern();
            }
        }
        else
        {
            queue = queueRegistry.getQueue(body.getQueue());
            routingKey = body.getRoutingKey() == null ? AMQShortString.EMPTY_STRING : body.getRoutingKey().intern();
        }

        if (queue == null)
        {
            throw body.getChannelException(AMQConstant.NOT_FOUND, "Queue " + body.getQueue() + " does not exist.");
        }
        final Exchange exch = exchangeRegistry.getExchange(body.getExchange());
        if (exch == null)
        {
            throw body.getChannelException(AMQConstant.NOT_FOUND, "Exchange " + body.getExchange() + " does not exist.");
        }
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    public void methodReceived(AMQStateManager stateManager, QueueDeclareBody body, int channelId) throws AMQException
    {
        AMQProtocolSession session = stateManager.getProtocolSession();
        VirtualHost virtualHost = session.getVirtualHost();
        ExchangeRegistry exchangeRegistry = virtualHost.getExchangeRegistry();
        QueueRegistry queueRegistry = virtualHost.getQueueRegistry();
        MessageStore store = virtualHost.getMessageStore();


        if (!body.getPassive())
        {
            //Perform ACL if request is not passive
            virtualHost.getAccessManager().authorise(session, Permission.CREATE, body);
        }


        final AMQShortString queueName;

        // if we aren't given a queue name, we create one which we return to the client

        if ((body.getQueue() == null) || (body.getQueue().length() == 0))
        {
            queueName = createName();
        }
        else
        {
            queueName = body.getQueue().intern();
        }

        AMQQueue queue;
        //TODO: do we need to check that the queue already exists with exactly the same "configuration"?

        synchronized (queueRegistry)
        {



            if (((queue = queueRegistry.getQueue(queueName)) == 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, session);
                    if (queue.isDurable() && !queue.isAutoDelete())
                    {
                        store.createQueue(queue, body.getArguments());
                    }
                    queueRegistry.registerQueue(queue);
                    if (autoRegister)
                    {
                        Exchange defaultExchange = exchangeRegistry.getDefaultExchange();

                        queue.bind(defaultExchange, queueName, null);
                        _logger.info("Queue " + queueName + " bound to default exchange(" + defaultExchange.getName() + ")");
                    }
                }
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    public void methodReceived(AMQStateManager stateManager, ExchangeDeclareBody body, int channelId) throws AMQException
    {
        AMQProtocolSession session = stateManager.getProtocolSession();
        VirtualHost virtualHost = session.getVirtualHost();
        ExchangeRegistry exchangeRegistry = virtualHost.getExchangeRegistry();
        ExchangeFactory exchangeFactory = virtualHost.getExchangeFactory();

        if (!body.getPassive())
        {
            //Perform ACL if request is not passive
            virtualHost.getAccessManager().authorise(session, Permission.CREATE, body);
        }

        if (_logger.isDebugEnabled())
        {
            _logger.debug("Request to declare exchange of type " + body.getType() + " with name " + body.getExchange());
        }
        synchronized(exchangeRegistry)
        {
            Exchange exchange = exchangeRegistry.getExchange(body.getExchange());



            if (exchange == null)
            {
                if(body.getPassive() && ((body.getType() == null) || body.getType().length() ==0))
                {
                    throw body.getChannelException(AMQConstant.NOT_FOUND, "Unknown exchange: " + body.getExchange());
                }
                else
                {
                    try
                    {

                    exchange = exchangeFactory.createExchange(body.getExchange() == null ? null : body.getExchange().intern(),
                                                              body.getType() == null ? null : body.getType().intern(),
                                                              body.getDurable(),
                                                              body.getPassive(), body.getTicket());
                    exchangeRegistry.registerExchange(exchange);
                    }
                    catch(AMQUnknownExchangeType e)
                    {
                        throw body.getConnectionException(AMQConstant.COMMAND_INVALID, "Unknown exchange: " + body.getExchange(),e);
                    }
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    public void methodReceived(AMQStateManager stateManager, QueueUnbindBody body, int channelId) throws AMQException
    {
        AMQProtocolSession session = stateManager.getProtocolSession();
        VirtualHost virtualHost = session.getVirtualHost();
        ExchangeRegistry exchangeRegistry = virtualHost.getExchangeRegistry();
        QueueRegistry queueRegistry = virtualHost.getQueueRegistry();


        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.getConnectionException(AMQConstant.NOT_FOUND, "No default queue defined on channel and queue was null");
            }

            routingKey = body.getRoutingKey() == null ? null : body.getRoutingKey().intern();

        }
        else
        {
            queue = queueRegistry.getQueue(body.getQueue());
            routingKey = body.getRoutingKey() == null ? null : body.getRoutingKey().intern();
        }

        if (queue == null)
        {
            throw body.getConnectionException(AMQConstant.NOT_FOUND, "Queue " + body.getQueue() + " does not exist.");
        }
        final Exchange exch = exchangeRegistry.getExchange(body.getExchange());
        if (exch == null)
        {
            throw body.getChannelException(AMQConstant.NOT_FOUND, "Exchange " + body.getExchange() + " does not exist.");
        }
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        exchangeConfiguration.addConfiguration(configuration.subset("exchanges.exchange."+ exchangeNameString));
        exchangeConfiguration.addConfiguration(configuration.subset("exchanges"));

        QueueRegistry queueRegistry = virtualHost.getQueueRegistry();
        MessageStore messageStore = virtualHost.getMessageStore();
        ExchangeRegistry exchangeRegistry = virtualHost.getExchangeRegistry();
        ExchangeFactory exchangeFactory = virtualHost.getExchangeFactory();

        AMQShortString exchangeName = new AMQShortString(exchangeNameString);


        Exchange exchange;



        synchronized (exchangeRegistry)
        {
            exchange = exchangeRegistry.getExchange(exchangeName);
            if(exchange == null)
            {

                AMQShortString type = new AMQShortString(exchangeConfiguration.getString("type","direct"));
                boolean durable = exchangeConfiguration.getBoolean("durable",false);
                boolean autodelete = exchangeConfiguration.getBoolean("autodelete",false);

                Exchange newExchange = exchangeFactory.createExchange(exchangeName,type,durable,autodelete,0);
                exchangeRegistry.registerExchange(newExchange);
            }

        }
    }
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        queueConfiguration.addConfiguration(configuration.subset("queues.queue."+ queueNameString));
        queueConfiguration.addConfiguration(configuration.subset("queues"));

        QueueRegistry queueRegistry = virtualHost.getQueueRegistry();
        MessageStore messageStore = virtualHost.getMessageStore();
        ExchangeRegistry exchangeRegistry = virtualHost.getExchangeRegistry();


        AMQShortString queueName = new AMQShortString(queueNameString);

        AMQQueue queue;

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

            if (queue == null)
            {
                _logger.info("Creating queue '" + queueName + "' on virtual host " + virtualHost.getName());

                boolean durable = queueConfiguration.getBoolean("durable" ,false);
                boolean autodelete = queueConfiguration.getBoolean("autodelete", false);
                String owner = queueConfiguration.getString("owner", null);
                FieldTable arguments = null;
                boolean priority = queueConfiguration.getBoolean("priority", false);
                int priorities = queueConfiguration.getInt("priorities", -1);
                if(priority || priorities > 0)
                {
                    if(arguments == null)
                    {
                        arguments = new FieldTable();
                    }
                    if (priorities < 0)
                    {
                        priorities = 10;
                    }
                    arguments.put(new AMQShortString("x-qpid-priorities"), priorities);
                }


                queue = AMQQueueFactory.createAMQQueueImpl(queueName,
                        durable,
                        owner == null ? null : new AMQShortString(owner) /* These queues will have no owner */,
                        autodelete /* Therefore autodelete makes no sence */,
                        virtualHost,
                        arguments,
                        queueConfiguration);

                if (queue.isDurable())
                {
                    messageStore.createQueue(queue);
                }

                queueRegistry.registerQueue(queue);
            }
            else
            {
                _logger.info("Queue '" + queueNameString + "' already exists on virtual host "+virtualHost.getName()+", not creating.");
            }

            String exchangeName = queueConfiguration.getString("exchange", null);

            Exchange exchange = exchangeRegistry.getExchange(exchangeName == null ? null : new AMQShortString(exchangeName));

            if(exchange == null)
            {
                exchange = virtualHost.getExchangeRegistry().getDefaultExchange();
            }
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        assertEquals("Not all queues correctly registered", 4, _virtualHost.getQueueRegistry().getQueues().size());
    }

    private void validateExchanges()
    {
        ExchangeRegistry registry = _virtualHost.getExchangeRegistry();

        assertTrue(directExchangeName + " exchange NOT reloaded after failover",
                   registry.getExchangeNames().contains(directExchangeName));
        assertTrue(topicExchangeName + " exchange NOT reloaded after failover",
                   registry.getExchangeNames().contains(topicExchangeName));
        assertTrue(nonDurableExchangeName + " exchange reloaded after failover",
                   !registry.getExchangeNames().contains(nonDurableExchangeName));

        // There are 5 required exchanges + our 2 durable queues
        assertEquals("Incorrect number of exchanges available", 5 + 2, registry.getExchangeNames().size());
    }
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    public void methodReceived(AMQStateManager stateManager, QueueDeclareBody body, int channelId) throws AMQException
    {
        final AMQProtocolSession protocolConnection = stateManager.getProtocolSession();
        final AMQSessionModel session = protocolConnection.getChannel(channelId);
        VirtualHost virtualHost = protocolConnection.getVirtualHost();
        ExchangeRegistry exchangeRegistry = virtualHost.getExchangeRegistry();
        QueueRegistry queueRegistry = virtualHost.getQueueRegistry();
        DurableConfigurationStore store = virtualHost.getMessageStore();

        final AMQShortString queueName;

        // if we aren't given a queue name, we create one which we return to the client
        if ((body.getQueue() == null) || (body.getQueue().length() == 0))
        {
            queueName = createName();
        }
        else
        {
            queueName = body.getQueue().intern();
        }

        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);
                                }
                            });
                        }
                    }
                    Exchange defaultExchange = exchangeRegistry.getDefaultExchange();

                    virtualHost.getBindingFactory().addBinding(String.valueOf(queueName), queue, defaultExchange,
                            Collections.<String, Object> emptyMap());
                    _logger.info("Queue " + queueName + " bound to default exchange(" + defaultExchange.getNameShortString() + ")");
                }
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    public void methodReceived(AMQStateManager stateManager, ExchangeDeclareBody body, int channelId) throws AMQException
    {
        AMQProtocolSession session = stateManager.getProtocolSession();
        VirtualHost virtualHost = session.getVirtualHost();
        ExchangeRegistry exchangeRegistry = virtualHost.getExchangeRegistry();
        ExchangeFactory exchangeFactory = virtualHost.getExchangeFactory();
        final AMQChannel channel = session.getChannel(channelId);
        if (channel == null)
        {
            throw body.getChannelNotFoundException(channelId);
        }

        final AMQShortString exchangeName = body.getExchange();
        if (_logger.isDebugEnabled())
        {
            _logger.debug("Request to declare exchange of type " + body.getType() + " with name " + exchangeName);
        }
       
        synchronized(exchangeRegistry)
        {
            Exchange exchange = exchangeRegistry.getExchange(exchangeName);

            if (exchange == null)
            {
                if(body.getPassive() && ((body.getType() == null) || body.getType().length() ==0))
                {
                    throw body.getChannelException(AMQConstant.NOT_FOUND, "Unknown exchange: " + exchangeName);
                }
                else if(exchangeName.startsWith("amq."))
                {
                    throw body.getConnectionException(AMQConstant.NOT_ALLOWED,
                              "Attempt to declare exchange: " + exchangeName +
                              " which begins with reserved prefix 'amq.'.");
                }
                else if(exchangeName.startsWith("qpid."))
                {
                    throw body.getConnectionException(AMQConstant.NOT_ALLOWED,
                                                      "Attempt to declare exchange: " + exchangeName +
                                                      " which begins with reserved prefix 'qpid.'.");
                }
                else
                {
                    try
                    {
                        exchange = exchangeFactory.createExchange(exchangeName == null ? null : exchangeName.intern(),
                                                                  body.getType() == null ? null : body.getType().intern(),
                                                                  body.getDurable(),
                                                                  body.getAutoDelete(), body.getTicket());
                        exchangeRegistry.registerExchange(exchange);

                        if (exchange.isDurable())
                        {
                            virtualHost.getMessageStore().createExchange(exchange);
                        }
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    {
        checkVHostStateIsActive();

        try
        {
            ExchangeRegistry exchangeRegistry = _virtualHost.getExchangeRegistry();
            if (exchangeRegistry.isReservedExchangeName(name))
            {
                throw new UnsupportedOperationException("'" + name + "' is a reserved exchange name");
            }
            synchronized(exchangeRegistry)
            {
                org.apache.qpid.server.exchange.Exchange exchange = exchangeRegistry.getExchange(name);
                if (exchange != null)
                {
                    throw new IllegalArgumentException("Exchange with name '" + name + "' already exists");
                }
                exchange = _virtualHost.getExchangeFactory().createExchange(name, type, durable,
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Related Classes of org.apache.qpid.server.exchange.ExchangeRegistry

  • org.apache.qpid.server.AMQBrokerManagerMBeanTest
  • org.apache.qpid.server.cluster.handler.ReplicatingConsumeHandler
  • org.apache.qpid.server.cluster.handler.ReplicatingHandler
  • org.apache.qpid.server.configuration.VirtualHostConfiguration
  • org.apache.qpid.server.federation.Bridge$AbstractPullBridge
  • org.apache.qpid.server.federation.Bridge$DynamicExchangeBridge
  • org.apache.qpid.server.federation.Bridge$StaticExchangePushBridge
  • org.apache.qpid.server.handler.ExchangeDeclareHandler
  • org.apache.qpid.server.handler.ExchangeDeleteHandler
  • org.apache.qpid.server.handler.QueueBindHandler
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