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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 _TxAccept_
#define _TxAccept_
#include <algorithm>
#include <functional>
#include <list>
#include "qpid/framing/SequenceSet.h"
#include "qpid/broker/DeliveryRecord.h"
#include "qpid/broker/TxOp.h"
#include "qpid/broker/BrokerImportExport.h"
namespace qpid {
namespace broker {
/**
* Defines the transactional behaviour for accepts received by
* a transactional channel.
*/
class QPID_BROKER_CLASS_EXTERN TxAccept : public TxOp {
struct RangeOp
{
AckRange range;
RangeOp(const AckRange& r);
void prepare(TransactionContext* ctxt);
void commit();
};
struct RangeOps
{
std::vector<RangeOp> ranges;
DeliveryRecords& unacked;
RangeOps(DeliveryRecords& u);
void operator()(framing::SequenceNumber start, framing::SequenceNumber end);
void prepare(TransactionContext* ctxt);
void commit();
};
framing::SequenceSet acked;
DeliveryRecords& unacked;
RangeOps ops;
public:
/**
* @param acked a representation of the accumulation of
* acks received
* @param unacked the record of delivered messages
*/
TxAccept(const framing::SequenceSet& acked, DeliveryRecords& unacked);
virtual bool prepare(TransactionContext* ctxt) throw();
virtual void commit() throw();
virtual void rollback() throw();
virtual ~TxAccept(){}
virtual void accept(TxOpConstVisitor& visitor) const { visitor(*this); }
// Used by cluster replication.
const framing::SequenceSet& getAcked() const { return acked; }
};
}
}
#endif
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