Package org.apache.qpid.server.store

Examples of org.apache.qpid.server.store.MessageStore

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                                           String queueName,
                                           StoreContext storeContext)
    {

        AMQQueue toQueue = getVirtualHost().getQueueRegistry().getQueue(new AMQShortString(queueName));
        MessageStore store = getVirtualHost().getMessageStore();

        List<QueueEntry> entries = getMessagesOnTheQueue(new QueueEntryFilter()
        {

            public boolean accept(QueueEntry entry)
            {
                final long messageId = entry.getMessage().getMessageId();
                return (messageId >= fromMessageId)
                       && (messageId <= toMessageId)
                       && entry.acquire();
            }

            public boolean filterComplete()
            {
                return false;
            }
        });

        try
        {
            store.beginTran(storeContext);

            // Move the messages in on the message store.
            for (QueueEntry entry : entries)
            {
                AMQMessage message = entry.getMessage();

                if (message.isPersistent() && toQueue.isDurable())
                {
                    store.enqueueMessage(storeContext, toQueue, message.getMessageId());
                }
                // dequeue does not decrement the refence count
                entry.dequeue(storeContext);
            }

            // Commit and flush the move transcations.
            try
            {
                store.commitTran(storeContext);
            }
            catch (AMQException e)
            {
                throw new RuntimeException("Failed to commit transaction whilst moving messages on message store.", e);
            }
        }
        catch (AMQException e)
        {
            try
            {
                store.abortTran(storeContext);
            }
            catch (AMQException rollbackEx)
            {
                _logger.error("Failed to rollback transaction when error occured moving messages", rollbackEx);
            }
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                                           final long toMessageId,
                                           String queueName,
                                           final StoreContext storeContext)
    {
        AMQQueue toQueue = getVirtualHost().getQueueRegistry().getQueue(new AMQShortString(queueName));
        MessageStore store = getVirtualHost().getMessageStore();

        List<QueueEntry> entries = getMessagesOnTheQueue(new QueueEntryFilter()
        {

            public boolean accept(QueueEntry entry)
            {
                final long messageId = entry.getMessage().getMessageId();
                if ((messageId >= fromMessageId)
                    && (messageId <= toMessageId))
                {
                    if (!entry.isDeleted())
                    {
                        return entry.getMessage().incrementReference();
                    }
                }

                return false;
            }

            public boolean filterComplete()
            {
                return false;
            }
        });

        try
        {
            store.beginTran(storeContext);

            // Move the messages in on the message store.
            for (QueueEntry entry : entries)
            {
                AMQMessage message = entry.getMessage();

                if (message.isReferenced() && message.isPersistent() && toQueue.isDurable())
                {
                    store.enqueueMessage(storeContext, toQueue, message.getMessageId());
                }
            }

            // Commit and flush the move transcations.
            try
            {
                store.commitTran(storeContext);
            }
            catch (AMQException e)
            {
                throw new RuntimeException("Failed to commit transaction whilst moving messages on message store.", e);
            }
        }
        catch (AMQException e)
        {
            try
            {
                store.abortTran(storeContext);
            }
            catch (AMQException rollbackEx)
            {
                _logger.error("Failed to rollback transaction when error occured moving messages", rollbackEx);
            }
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    {
        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();
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    public void methodReceived(AMQStateManager stateManager, QueueDeleteBody body, int channelId) throws AMQException
    {
        AMQProtocolSession session = stateManager.getProtocolSession();
        VirtualHost virtualHost = session.getVirtualHost();
        QueueRegistry queueRegistry = virtualHost.getQueueRegistry();
        MessageStore store = virtualHost.getMessageStore();

        AMQQueue queue;
        if (body.getQueue() == null)
        {
            AMQChannel channel = session.getChannel(channelId);

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

            //get the default queue on the channel:           
            queue = channel.getDefaultQueue();
        }
        else
        {
            queue = queueRegistry.getQueue(body.getQueue());
        }

        if (queue == null)
        {
            if (_failIfNotFound)
            {
                throw body.getChannelException(AMQConstant.NOT_FOUND, "Queue " + body.getQueue() + " does not exist.");
            }
        }
        else
        {
            if (body.getIfEmpty() && !queue.isEmpty())
            {
                throw body.getChannelException(AMQConstant.IN_USE, "Queue: " + body.getQueue() + " is not empty.");
            }
            else if (body.getIfUnused() && !queue.isUnused())
            {
                // TODO - Error code
                throw body.getChannelException(AMQConstant.IN_USE, "Queue: " + body.getQueue() + " is still used.");

            }
            else
            {
               
                //Perform ACLs
                virtualHost.getAccessManager().authorise(session, Permission.DELETE, body, queue);

                int purged = queue.delete();


                if (queue.isDurable())
                {
                    store.removeQueue(queue);
                }

                MethodRegistry methodRegistry = session.getMethodRegistry();
                QueueDeleteOkBody responseBody = methodRegistry.createQueueDeleteOkBody(purged);
                session.writeFrame(responseBody.generateFrame(channelId));
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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);
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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
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        return Collections.unmodifiableCollection(exchangeTypes);
    }

    public void executeTransaction(TransactionalOperation op)
    {
        MessageStore store = _virtualHost.getMessageStore();
        final LocalTransaction txn = new LocalTransaction(store);

        op.withinTransaction(new Transaction()
        {
            public void dequeue(final QueueEntry entry)
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                if (_virtualHost.getState() == org.apache.qpid.server.virtualhost.State.ACTIVE)
                {
                    setDesiredState(currentState, State.STOPPED);
                }

                MessageStore ms = _virtualHost.getMessageStore();
                if (ms != null)
                {
                    try
                    {
                        ms.onDelete();
                    }
                    catch(Exception e)
                    {
                        LOGGER.warn("Exception occured on store deletion", e);
                    }
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        }

        final ServerSession serverSession = (ServerSession) ssn;
        if(!queues.isEmpty())
        {
            final MessageStore store = getVirtualHost(ssn).getMessageStore();
            final StoredMessage<MessageMetaData_0_10> storeMessage = createStoreMessage(xfr, messageMetaData, store);
            MessageTransferMessage message = new MessageTransferMessage(storeMessage, serverSession.getReference());
            serverSession.enqueue(message, queues);
            storeMessage.flushToStore();
        }
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    public void testMessageStoreCreator()
    {
        MessageStoreCreator messageStoreCreator = new MessageStoreCreator();
        for (String type : STORE_TYPES)
        {
            MessageStore store = messageStoreCreator.createMessageStore(type);
            assertNotNull("Store of type " + type + " is not created", store);
        }
    }
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Related Classes of org.apache.qpid.server.store.MessageStore

  • org.apache.qpid.server.configuration.VirtualHostConfiguration
  • org.apache.qpid.server.federation.Bridge$AbstractPullBridge
  • org.apache.qpid.server.handler.QueueDeclareHandler
  • org.apache.qpid.server.handler.QueueDeleteHandler
  • org.apache.qpid.server.model.adapter.VirtualHostAdapter
  • org.apache.qpid.server.protocol.v0_10.ServerSessionDelegate
  • org.apache.qpid.server.queue.AMQQueue
  • org.apache.qpid.server.queue.SendPerfTest
  • org.apache.qpid.server.queue.SimpleAMQQueue
  • org.apache.qpid.server.store.berkeleydb.BDBMessageStoreQuotaEventsTest
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