Examples of org.apache.qpid.server.txn.AutoCommitTransaction

org.apache.qpid.server.txn.AutoCommitTransaction
An implementation of ServerTransaction where each enqueue/dequeue operation takes place within it own transaction. Since there is no long-lived transaction, the commit and rollback methods of this implementation are empty.




        // check and deliver if header says body length is zero
        if (currentMessage.allContentReceived())
        {
            ServerTransaction trans = new AutoCommitTransaction(getVirtualHost().getMessageStore());
            final List<? extends BaseQueue> destinationQueues = currentMessage.getDestinationQueues();
            trans.enqueue(currentMessage.getDestinationQueues(), currentMessage, new ServerTransaction.Action() {
                public void postCommit()
                {
                    try
                    {
                        AMQMessage message = new AMQMessage(currentMessage.getStoredMessage());

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            final StoredMessage storedMessage = _messageStore.addMessage(mmd);
            msg.setStoredMessage(storedMessage);
            final AMQMessage message = new AMQMessage(storedMessage);
            if(msg.allContentReceived())
            {
                ServerTransaction txn = new AutoCommitTransaction(_messageStore);
                txn.enqueue(_queue, message, new ServerTransaction.Action() {
                    public void postCommit()
                    {
                        try
                        {

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            {
                Outcome outcome = (Outcome) initialUnsettledMap.get(deliveryTag);


                if(outcome instanceof Accepted)
                {
                    AutoCommitTransaction txn = new AutoCommitTransaction(_vhost.getMessageStore());
                    if(_subscription.acquires())
                    {
                        txn.dequeue(Collections.singleton(queueEntry),
                                new ServerTransaction.Action()
                                {
                                    public void postCommit()
                                    {
                                        queueEntry.discard();
                                    }


                                    public void onRollback()
                                    {
                                        //To change body of implemented methods use File | Settings | File Templates.
                                    }
                                });
                    }
                }
                else if(outcome instanceof Released)
                {
                    AutoCommitTransaction txn = new AutoCommitTransaction(_vhost.getMessageStore());
                    if(_subscription.acquires())
                    {
                        txn.dequeue(Collections.singleton(queueEntry),
                                new ServerTransaction.Action()
                                {
                                    public void postCommit()
                                    {
                                        queueEntry.release();

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    public Session_1_0(VirtualHost vhost, final Connection_1_0 connection)
    {
        _vhost = vhost;
        _transaction = new AutoCommitTransaction(vhost.getMessageStore());
        _connection = connection;


    }

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                transaction = getSession().getTransaction(transactionId);
            }
            else
            {
                Session_1_0 session = getSession();
                transaction = session != null ? session.getTransaction(null) : new AutoCommitTransaction(_vhost.getMessageStore());
            }


            Outcome outcome = _destination.send(message, transaction);


            DeliveryState resultantState;

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            {
                Outcome outcome = (Outcome) initialUnsettledMap.get(deliveryTag);


                if(outcome instanceof Accepted)
                {
                    AutoCommitTransaction txn = new AutoCommitTransaction(_vhost.getMessageStore());
                    if(_subscription.acquires())
                    {
                        txn.dequeue(Collections.singleton(queueEntry),
                                new ServerTransaction.Action()
                                {
                                    public void postCommit()
                                    {
                                        queueEntry.discard();
                                    }


                                    public void onRollback()
                                    {
                                        //To change body of implemented methods use File | Settings | File Templates.
                                    }
                                });
                    }
                }
                else if(outcome instanceof Released)
                {
                    AutoCommitTransaction txn = new AutoCommitTransaction(_vhost.getMessageStore());
                    if(_subscription.acquires())
                    {
                        txn.dequeue(Collections.singleton(queueEntry),
                                new ServerTransaction.Action()
                                {
                                    public void postCommit()
                                    {
                                        queueEntry.release();

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    public Session_1_0(VirtualHost vhost, IApplicationRegistry appRegistry, final Connection_1_0 connection)
    {
        _appRegistry = appRegistry;
        _vhost = vhost;
        _transaction = new AutoCommitTransaction(vhost.getMessageStore());
        _connection = connection;


    }

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                transaction = getSession().getTransaction(transactionId);
            }
            else
            {
                Session_1_0 session = getSession();
                transaction = session != null ? session.getTransaction(null) : new AutoCommitTransaction(_vhost.getMessageStore());
            }


            Outcome outcome = _destination.send(message, transaction);


            DeliveryState resultantState;

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        }
    }


    private void forceDequeue(final QueueEntry entry, final boolean restoreCredit)
    {
        AutoCommitTransaction dequeueTxn = new AutoCommitTransaction(getQueue().getVirtualHost().getMessageStore());
        dequeueTxn.dequeue(entry.getQueue(), entry.getMessage(),
                           new ServerTransaction.Action()
                           {
                               public void postCommit()
                               {
                                   if (restoreCredit)

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        return count;
    }


    private void dequeueEntry(final QueueEntry node)
    {
        ServerTransaction txn = new AutoCommitTransaction(getVirtualHost().getMessageStore());
        dequeueEntry(node, txn);
    }

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