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;


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

        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");
            }

            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 delete()
    {
        try
        {
            ExchangeRegistry exchangeRegistry = _vhost.getVirtualHost().getExchangeRegistry();
            if (exchangeRegistry.isReservedExchangeName(getName()))
            {
                throw new UnsupportedOperationException("'" + getName() + "' is a reserved exchange and can't be deleted");
            }

            if(_exchange.hasReferrers())
            {
                throw new AMQException( AMQConstant.NOT_ALLOWED, "Exchange in use as an alternate exchange", null);
            }

            synchronized(exchangeRegistry)
            {
                exchangeRegistry.unregisterExchange(getName(), false);
            }
        }
        catch(AMQException e)
        {
            throw new IllegalStateException(e);
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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();
        final AMQChannel channel = session.getChannel(channelId);
        if (channel == null)
        {
            throw body.getChannelNotFoundException(channelId);
        }
        channel.sync();
        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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        if(isDLQEnabled)
        {
            final String dlExchangeName = getDeadLetterExchangeName(queueName);
            final String dlQueueName = getDeadLetterQueueName(queueName);

            final ExchangeRegistry exchangeRegistry = virtualHost.getExchangeRegistry();
            final ExchangeFactory exchangeFactory = virtualHost.getExchangeFactory();
            final QueueRegistry queueRegistry = virtualHost.getQueueRegistry();

            Exchange dlExchange = null;
            synchronized(exchangeRegistry)
            {
                dlExchange = exchangeRegistry.getExchange(dlExchangeName);

                if(dlExchange == null)
                {
                    dlExchange = exchangeFactory.createExchange(UUIDGenerator.generateExchangeUUID(dlExchangeName, virtualHost.getName()), new AMQShortString(dlExchangeName), ExchangeDefaults.FANOUT_EXCHANGE_CLASS, true, false, 0);

                    exchangeRegistry.registerExchange(dlExchange);

                    //enter the dle in the persistent store
                    virtualHost.getMessageStore().createExchange(dlExchange);
                }
            }
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        }

        //Get references to Broker Registries
        QueueRegistry queueRegistry = ApplicationRegistry.getInstance().getQueueRegistry();
        MessageStore messageStore = ApplicationRegistry.getInstance().getMessageStore();
        ExchangeRegistry exchangeRegistry = ApplicationRegistry.getInstance().getExchangeRegistry();

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

            if (queue == null)
            {
                _logger.info("Queue '" + binding.getQueueName() + "' does not exists. Creating.");

                queue = new AMQQueue(queueName,
                        Boolean.parseBoolean(binding.getOption(AMQBindingURL.OPTION_DURABLE)),
                        null /* These queues will have no owner */,
                        false /* Therefore autodelete makes no sence */, queueRegistry);

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

                queueRegistry.registerQueue(queue);
            }
            else
            {
                _logger.info("Queue '" + binding.getQueueName() + "' already exists not creating.");
            }

            Exchange defaultExchange = exchangeRegistry.getExchange(binding.getExchangeName());
            synchronized (defaultExchange)
            {
                if (defaultExchange == null)
                {
                    throw new ConfigurationException("Attempt to bind queue to unknown exchange:" + binding);
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    {
        int origExchangeCount = getVirtualHost().getExchangeRegistry().getExchangeNames().size();

        createExchange(DirectExchange.TYPE, directExchangeName, true);
      
        ExchangeRegistry exchangeRegistry = getVirtualHost().getExchangeRegistry();
        assertEquals("Incorrect number of exchanges registered before recovery",
                origExchangeCount + 1,  exchangeRegistry.getExchangeNames().size());

        reloadVirtualHost();
       
        exchangeRegistry = getVirtualHost().getExchangeRegistry();
        assertEquals("Incorrect number of exchanges registered after first recovery",
                origExchangeCount + 1,  exchangeRegistry.getExchangeNames().size());
       
        //test that removing the exchange means it is not recovered next time
        getVirtualHost().getDurableConfigurationStore().removeExchange(exchangeRegistry.getExchange(directExchangeName));

        reloadVirtualHost();
       
        exchangeRegistry = getVirtualHost().getExchangeRegistry();
        assertEquals("Incorrect number of exchanges registered after second recovery",
                origExchangeCount,  exchangeRegistry.getExchangeNames().size());
        assertNull("Durable exchange was not removed:" + directExchangeName,
                exchangeRegistry.getExchange(directExchangeName));
    }
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        queueRegistry = getVirtualHost().getQueueRegistry();
        assertEquals("Incorrect number of bindings registered after first recovery",
                1, queueRegistry.getQueue(durableQueueName).getBindings().size());

        ExchangeRegistry exchangeRegistry = getVirtualHost().getExchangeRegistry();
        exch = exchangeRegistry.getExchange(directExchangeName);
        assertNotNull("Exchange was not recovered", exch);

        //remove the binding and verify result after recovery
        unbindQueueFromExchange(exch, directRouting, queueRegistry.getQueue(durableQueueName), false, null);
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     * and that the new exchanges are not the same objects as the provided list (i.e. that the
     * reload actually generated new exchange objects)
     */
    private void validateExchanges(int originalNumExchanges, Map<AMQShortString, Exchange> oldExchanges)
    {
        ExchangeRegistry registry = getVirtualHost().getExchangeRegistry();

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

        //check the old exchange objects are not the same as the new exchanges
        assertTrue(directExchangeName + " exchange NOT reloaded",
                registry.getExchange(directExchangeName) != oldExchanges.get(directExchangeName));
        assertTrue(topicExchangeName + " exchange NOT reloaded",
                registry.getExchange(topicExchangeName) != oldExchanges.get(topicExchangeName));

        // There should only be the original exchanges + our 2 recovered durable exchanges
        assertEquals("Incorrect number of exchanges available",
                originalNumExchanges + 2, registry.getExchangeNames().size());
    }
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    {
        int origExchangeCount = getVirtualHost().getExchangeRegistry().getExchangeNames().size();

        createExchange(DirectExchange.TYPE, directExchangeName, true);
      
        ExchangeRegistry exchangeRegistry = getVirtualHost().getExchangeRegistry();
        assertEquals("Incorrect number of exchanges registered before recovery",
                origExchangeCount + 1,  exchangeRegistry.getExchangeNames().size());

        reloadVirtualHost();
       
        exchangeRegistry = getVirtualHost().getExchangeRegistry();
        assertEquals("Incorrect number of exchanges registered after first recovery",
                origExchangeCount + 1,  exchangeRegistry.getExchangeNames().size());
       
        //test that removing the exchange means it is not recovered next time
        getVirtualHost().getMessageStore().removeExchange(exchangeRegistry.getExchange(directExchangeName));

        reloadVirtualHost();
       
        exchangeRegistry = getVirtualHost().getExchangeRegistry();
        assertEquals("Incorrect number of exchanges registered after second recovery",
                origExchangeCount,  exchangeRegistry.getExchangeNames().size());
        assertNull("Durable exchange was not removed:" + directExchangeName,
                exchangeRegistry.getExchange(directExchangeName));
    }
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        queueRegistry = getVirtualHost().getQueueRegistry();
        assertEquals("Incorrect number of bindings registered after first recovery",
                1, queueRegistry.getQueue(durableQueueName).getBindings().size());

        ExchangeRegistry exchangeRegistry = getVirtualHost().getExchangeRegistry();
        exch = exchangeRegistry.getExchange(directExchangeName);
        assertNotNull("Exchange was not recovered", exch);

        //remove the binding and verify result after recovery
        unbindQueueFromExchange(exch, directRouting, queueRegistry.getQueue(durableQueueName), false, null);
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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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