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/*
*
* Copyright (c) 2006 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#ifndef _TxPublish_
#define _TxPublish_
#include <algorithm>
#include <functional>
#include <list>
#include "qpid/broker/Deliverable.h"
#include "qpid/broker/Message.h"
#include "qpid/broker/MessageStore.h"
#include "qpid/broker/Queue.h"
#include "qpid/broker/TxOp.h"
namespace qpid {
namespace broker {
/**
* Defines the behaviour for publish operations on a
* transactional channel. Messages are routed through
* exchanges when received but are not at that stage delivered
* to the matching queues, rather the queues are held in an
* instance of this class. On prepare() the message is marked
* enqueued to the relevant queues in the MessagesStore. On
* commit() the messages will be passed to the queue for
* dispatch or to be added to the in-memory queue.
*/
class TxPublish : public TxOp, public Deliverable{
class Prepare{
TransactionContext* ctxt;
Message::shared_ptr& msg;
const string* const xid;
public:
Prepare(TransactionContext* ctxt, Message::shared_ptr& msg, const string* const xid);
void operator()(Queue::shared_ptr& queue);
};
class Commit{
Message::shared_ptr& msg;
public:
Commit(Message::shared_ptr& msg);
void operator()(Queue::shared_ptr& queue);
};
Message::shared_ptr msg;
std::list<Queue::shared_ptr> queues;
public:
TxPublish(Message::shared_ptr msg);
virtual bool prepare(TransactionContext* ctxt) throw();
virtual void commit() throw();
virtual void rollback() throw();
virtual void deliverTo(Queue::shared_ptr& queue);
virtual ~TxPublish(){}
};
}
}
#endif
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