Package org.apache.qpid.server.exchange

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

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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.getChannelException(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.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, QueueBindBody body, int channelId) throws AMQException
    {
        AMQProtocolSession protocolConnection = stateManager.getProtocolSession();
        VirtualHost virtualHost = protocolConnection.getVirtualHost();
        ExchangeRegistry exchangeRegistry = virtualHost.getExchangeRegistry();
        QueueRegistry queueRegistry = virtualHost.getQueueRegistry();

        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");
            }

            if (body.getRoutingKey() == null)
            {
                routingKey = queue.getNameShortString();
            }
            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
    {
        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.getDurableConfigurationStore();

        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)
        {
            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() + ")");
                    }
                }
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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 (_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);

                        if (exchange.isDurable())
                        {
                            virtualHost.getDurableConfigurationStore().createExchange(exchange);
                        }
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    public void methodReceived(AMQStateManager stateManager, ExchangeDeleteBody body, int channelId) throws AMQException
    {
        AMQProtocolSession session = stateManager.getProtocolSession();
        VirtualHost virtualHost = session.getVirtualHost();
        ExchangeRegistry exchangeRegistry = virtualHost.getExchangeRegistry();

        try
        {
            if(exchangeRegistry.getExchange(body.getExchange()) == null)
            {
                throw body.getChannelException(AMQConstant.NOT_FOUND, "No such exchange: " + body.getExchange());
            }
            exchangeRegistry.unregisterExchange(body.getExchange(), body.getIfUnused());

            ExchangeDeleteOkBody responseBody = session.getMethodRegistry().createExchangeDeleteOkBody();
                       
            session.writeFrame(responseBody.generateFrame(channelId));
        }
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        String queueName = "testDeadLetterQueueEnabled";
        AMQShortString dlExchangeName = new AMQShortString(queueName + DefaultExchangeFactory.DEFAULT_DLE_NAME_SUFFIX);
        AMQShortString dlQueueName = new AMQShortString(queueName + AMQQueueFactory.DEFAULT_DLQ_NAME_SUFFIX);

        QueueRegistry qReg = _virtualHost.getQueueRegistry();
        ExchangeRegistry exReg = _virtualHost.getExchangeRegistry();

        assertNull("The DLQ should not yet exist", qReg.getQueue(dlQueueName));
        assertNull("The alternate exchange should not yet exist", exReg.getExchange(dlExchangeName));

        AMQQueue queue = AMQQueueFactory.createAMQQueueImpl(UUIDGenerator.generateRandomUUID(), queueName, false, "owner", false, false,
                                           _virtualHost, FieldTable.convertToMap(fieldTable));

        Exchange altExchange = queue.getAlternateExchange();
        assertNotNull("Queue should have an alternate exchange as DLQ is enabled", altExchange);
        assertEquals("Alternate exchange name was not as expected", dlExchangeName, altExchange.getName());
        assertEquals("Alternate exchange type was not as expected", ExchangeDefaults.FANOUT_EXCHANGE_CLASS, altExchange.getType().getName());

        assertNotNull("The alternate exchange was not registered as expected", exReg.getExchange(dlExchangeName));
        assertEquals("The registered exchange was not the expected exchange instance", altExchange, exReg.getExchange(dlExchangeName));

        AMQQueue dlQueue = qReg.getQueue(dlQueueName);
        assertNotNull("The DLQ was not registered as expected", dlQueue);
        assertTrue("DLQ should have been bound to the alternate exchange", altExchange.isBound(dlQueue));
        assertNull("DLQ should have no alternate exchange", dlQueue.getAlternateExchange());
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        String queueName = "testDeadLetterQueueEnabled";
        AMQShortString dlExchangeName = new AMQShortString(queueName + DefaultExchangeFactory.DEFAULT_DLE_NAME_SUFFIX);
        AMQShortString dlQueueName = new AMQShortString(queueName + AMQQueueFactory.DEFAULT_DLQ_NAME_SUFFIX);

        QueueRegistry qReg = _virtualHost.getQueueRegistry();
        ExchangeRegistry exReg = _virtualHost.getExchangeRegistry();

        assertNull("The DLQ should not yet exist", qReg.getQueue(dlQueueName));
        assertNull("The alternate exchange should not yet exist", exReg.getExchange(dlExchangeName));

        AMQQueue queue = AMQQueueFactory.createAMQQueueImpl(UUIDGenerator.generateRandomUUID(), queueName, false, "owner", false, false,
                                           _virtualHost, null);

        assertEquals("Unexpected maximum delivery count", 5, queue.getMaximumDeliveryCount());
        Exchange altExchange = queue.getAlternateExchange();
        assertNotNull("Queue should have an alternate exchange as DLQ is enabled", altExchange);
        assertEquals("Alternate exchange name was not as expected", dlExchangeName, altExchange.getName());
        assertEquals("Alternate exchange type was not as expected", ExchangeDefaults.FANOUT_EXCHANGE_CLASS, altExchange.getType().getName());

        assertNotNull("The alternate exchange was not registered as expected", exReg.getExchange(dlExchangeName));
        assertEquals("The registered exchange was not the expected exchange instance", altExchange, exReg.getExchange(dlExchangeName));

        AMQQueue dlQueue = qReg.getQueue(dlQueueName);
        assertNotNull("The DLQ was not registered as expected", dlQueue);
        assertTrue("DLQ should have been bound to the alternate exchange", altExchange.isBound(dlQueue));
        assertNull("DLQ should have no alternate exchange", dlQueue.getAlternateExchange());
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        String queueName = "testDeadLetterQueueDisabled";
        AMQShortString dlExchangeName = new AMQShortString(queueName + DefaultExchangeFactory.DEFAULT_DLE_NAME_SUFFIX);
        AMQShortString dlQueueName = new AMQShortString(queueName + AMQQueueFactory.DEFAULT_DLQ_NAME_SUFFIX);

        QueueRegistry qReg = _virtualHost.getQueueRegistry();
        ExchangeRegistry exReg = _virtualHost.getExchangeRegistry();

        assertNull("The DLQ should not yet exist", qReg.getQueue(dlQueueName));
        assertNull("The alternate exchange should not exist", exReg.getExchange(dlExchangeName));

        AMQQueue queue = AMQQueueFactory.createAMQQueueImpl(UUIDGenerator.generateRandomUUID(), queueName, false, "owner", false, false,
                                           _virtualHost, FieldTable.convertToMap(fieldTable));

        assertNull("Queue should not have an alternate exchange as DLQ is disabled", queue.getAlternateExchange());
        assertNull("The alternate exchange should still not exist", exReg.getExchange(dlExchangeName));

        assertNull("The DLQ should still not exist", qReg.getQueue(dlQueueName));

        //only 1 queue should have been registered
        verifyRegisteredQueueCount(1);
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        String queueName = "testDeadLetterQueueNotCreatedForAutodeleteQueues";
        AMQShortString dlExchangeName = new AMQShortString(queueName + DefaultExchangeFactory.DEFAULT_DLE_NAME_SUFFIX);
        AMQShortString dlQueueName = new AMQShortString(queueName + AMQQueueFactory.DEFAULT_DLQ_NAME_SUFFIX);

        QueueRegistry qReg = _virtualHost.getQueueRegistry();
        ExchangeRegistry exReg = _virtualHost.getExchangeRegistry();

        assertNull("The DLQ should not yet exist", qReg.getQueue(dlQueueName));
        assertNull("The alternate exchange should not exist", exReg.getExchange(dlExchangeName));

        //create an autodelete queue
        AMQQueue queue = AMQQueueFactory.createAMQQueueImpl(UUIDGenerator.generateRandomUUID(), queueName, false, "owner", true, false,
                                           _virtualHost, FieldTable.convertToMap(fieldTable));
        assertTrue("Queue should be autodelete", queue.isAutoDelete());

        //ensure that the autodelete property overrides the request to enable DLQ
        assertNull("Queue should not have an alternate exchange as queue is autodelete", queue.getAlternateExchange());
        assertNull("The alternate exchange should not exist as queue is autodelete", exReg.getExchange(dlExchangeName));
        assertNull("The DLQ should not exist as queue is autodelete", qReg.getQueue(dlQueueName));

        //only 1 queue should have been registered
        verifyRegisteredQueueCount(1);
    }
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    public void methodReceived(AMQStateManager stateManager, QueueBindBody body, int channelId) throws AMQException
    {
        AMQProtocolSession protocolConnection = stateManager.getProtocolSession();
        VirtualHost virtualHost = protocolConnection.getVirtualHost();
        ExchangeRegistry exchangeRegistry = virtualHost.getExchangeRegistry();
        QueueRegistry queueRegistry = virtualHost.getQueueRegistry();
        AMQChannel channel = protocolConnection.getChannel(channelId);

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

        final AMQQueue queue;
        final AMQShortString routingKey;

        if (body.getQueue() == null)
        {

            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.getNameShortString();
            }
            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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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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