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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 <Deliverable.h>
#include <BrokerMessage.h>
#include <MessageStore.h>
#include <BrokerQueue.h>
#include <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 std::string* const xid;
public:
Prepare(TransactionContext* ctxt, Message::shared_ptr& msg, const std::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;
const std::string* const xid;
std::list<Queue::shared_ptr> queues;
public:
TxPublish(Message::shared_ptr msg, const std::string* const xid = 0);
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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