Package org.apache.qpid.server.queue

Examples of org.apache.qpid.server.queue.QueueRegistry

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                                   QueueDeclareBody body,
                                   VirtualHost virtualHost,
                                   final AMQProtocolSession session)
            throws AMQException
    {
        final QueueRegistry registry = virtualHost.getQueueRegistry();
        AMQShortString owner = body.getExclusive() ? session.getContextKey() : null;

        final AMQQueue queue = AMQQueueFactory.createAMQQueueImpl(queueName, body.getDurable(), owner, body.getAutoDelete(),
                                                                  body.getExclusive(),virtualHost, body.getArguments());

        if (body.getExclusive() && !body.getDurable())
        {
            final AMQProtocolSession.Task deleteQueueTask =
                    new AMQProtocolSession.Task()
                    {
                        public void doTask(AMQProtocolSession session) throws AMQException
                        {
                            if (registry.getQueue(queueName) == queue)
                            {
                                queue.delete();
                            }
                        }
                    };
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    {
        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.setPrincipalHolder(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.setPrincipalHolder(protocolConnection);
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        {
            assert session instanceof ServerSession;

            session.setSessionListener(this);

            QueueRegistry queueRegistry = getVirtualHost().getQueueRegistry();

            _queue = queueRegistry.getQueue(_source);

            // TODO - null check

            FlowCreditManager_0_10 creditManager = new WindowCreditManager(0xFFFFFFFF,getMessageWindowSize());
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     */
    public void testMessageRemoval() throws Exception
    {
        testMessagePersistence();

        QueueRegistry queueRegistry = getVirtualHost().getQueueRegistry();

        assertEquals("Incorrect number of queues registered after recovery",
                6,  queueRegistry.getQueues().size());

        //clear the queue
        queueRegistry.getQueue(durableQueueName).clearQueue();
       
        //check the messages are gone
        validateMessageOnQueue(durableQueueName, 0);
       
        //reload and verify messages arent restored
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        createAllTopicQueues();

        //reload the virtual host, prompting recovery of the queues/topics
        reloadVirtualHost();

        QueueRegistry queueRegistry = getVirtualHost().getQueueRegistry();

        assertEquals("Incorrect number of queues registered after recovery",
                6,  queueRegistry.getQueues().size());

        //Validate the non-Durable Queues were not recovered.
        assertNull("Non-Durable queue still registered:" + priorityQueueName,
                queueRegistry.getQueue(priorityQueueName));
        assertNull("Non-Durable queue still registered:" + queueName,
                queueRegistry.getQueue(queueName));
        assertNull("Non-Durable queue still registered:" + priorityTopicQueueName,
                queueRegistry.getQueue(priorityTopicQueueName));
        assertNull("Non-Durable queue still registered:" + topicQueueName,
                queueRegistry.getQueue(topicQueueName));

        //Validate normally expected properties of Queues/Topics
        validateDurableQueueProperties();

        //Update the durable exclusive queue's exclusivity
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    public void testDurableQueueRemoval() throws Exception
    {
        //Register Durable Queue
        createQueue(durableQueueName, false, true, false, false);

        QueueRegistry queueRegistry = getVirtualHost().getQueueRegistry();
        assertEquals("Incorrect number of queues registered before recovery",
                1,  queueRegistry.getQueues().size());

        reloadVirtualHost();
       
        queueRegistry = getVirtualHost().getQueueRegistry();
        assertEquals("Incorrect number of queues registered after first recovery",
                1,  queueRegistry.getQueues().size());
       
        //test that removing the queue means it is not recovered next time
        getVirtualHost().getMessageStore().removeQueue(queueRegistry.getQueue(durableQueueName));

        reloadVirtualHost();
       
        queueRegistry = getVirtualHost().getQueueRegistry();
        assertEquals("Incorrect number of queues registered after second recovery",
                0,  queueRegistry.getQueues().size());
        assertNull("Durable queue was not removed:" + durableQueueName,
                queueRegistry.getQueue(durableQueueName));
    }
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     * recovering to verify the persistence, then removing it from the store, and ensuring
     * that following the second reload process it is not recovered.
     */
    public void testDurableBindingRemoval() throws Exception
    {
        QueueRegistry queueRegistry = getVirtualHost().getQueueRegistry();

        //create durable queue and exchange, bind them
        Exchange exch = createExchange(DirectExchange.TYPE, directExchangeName, true);
        createQueue(durableQueueName, false, true, false, false);
        bindQueueToExchange(exch, directRouting, queueRegistry.getQueue(durableQueueName), false, null);

        assertEquals("Incorrect number of bindings registered before recovery",
                1, queueRegistry.getQueue(durableQueueName).getBindings().size());

        //verify binding is actually normally recovered
        reloadVirtualHost();

        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);

        reloadVirtualHost();

        queueRegistry = getVirtualHost().getQueueRegistry();
        assertEquals("Incorrect number of bindings registered after second recovery",
                0, queueRegistry.getQueue(durableQueueName).getBindings().size());
    }
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    }

    /** Validates the Durable queues and their properties are as expected following recovery */
    private void validateBindingProperties()
    {
        QueueRegistry queueRegistry = getVirtualHost().getQueueRegistry();

        assertEquals("Incorrect number of (durable) queues following recovery", 6, queueRegistry.getQueues().size());

        validateBindingProperties(queueRegistry.getQueue(durablePriorityQueueName).getBindings(), false);
        validateBindingProperties(queueRegistry.getQueue(durablePriorityTopicQueueName).getBindings(), true);
        validateBindingProperties(queueRegistry.getQueue(durableQueueName).getBindings(), false);
        validateBindingProperties(queueRegistry.getQueue(durableTopicQueueName).getBindings(), true);
        validateBindingProperties(queueRegistry.getQueue(durableExclusiveQueueName).getBindings(), false);
    }
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        }
    }

    private void setQueueExclusivity(boolean exclusive) throws AMQException
    {
        QueueRegistry queueRegistry = getVirtualHost().getQueueRegistry();

        AMQQueue queue = queueRegistry.getQueue(durableExclusiveQueueName);

        queue.setExclusive(exclusive);
    }
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        queue.setExclusive(exclusive);
    }

    private void validateQueueExclusivityProperty(boolean expected)
    {
        QueueRegistry queueRegistry = getVirtualHost().getQueueRegistry();

        AMQQueue queue = queueRegistry.getQueue(durableExclusiveQueueName);

        assertEquals("Queue exclusivity was incorrect", queue.isExclusive(), expected);
    }
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Related Classes of org.apache.qpid.server.queue.QueueRegistry

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  • org.apache.qpid.server.configuration.VirtualHostConfiguration
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