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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 _DtxWorkRecord_
#define _DtxWorkRecord_
#include "qpid/broker/AsyncStore.h"
#include "qpid/broker/BrokerImportExport.h"
#include "qpid/broker/DtxBuffer.h"
#include "qpid/broker/DtxTimeout.h"
#include "qpid/broker/TransactionalStore.h"
#include "qpid/framing/amqp_types.h"
#include "qpid/sys/Mutex.h"
#include <algorithm>
#include <functional>
#include <vector>
#include <boost/intrusive_ptr.hpp>
namespace qpid {
namespace broker {
/**
* Represents the work done under a particular distributed transaction
* across potentially multiple channels. Identified by a xid. Allows
* that work to be prepared, committed and rolled-back.
*/
class DtxWorkRecord
{
typedef std::vector<DtxBuffer::shared_ptr> Work;
const std::string xid;
// TransactionalStore* const store;
AsyncTransactionalStore* asyncTxnStore;
bool completed;
bool rolledback;
bool prepared;
bool expired;
boost::intrusive_ptr<DtxTimeout> timeout;
Work work;
std::auto_ptr<TPCTransactionContext> txn;
qpid::sys::Mutex lock;
bool check();
void abort();
bool prepare(TransactionContext* txn);
public:
QPID_BROKER_EXTERN DtxWorkRecord(const std::string& xid,
// TransactionalStore* const store);
AsyncTransactionalStore* const store);
QPID_BROKER_EXTERN ~DtxWorkRecord();
QPID_BROKER_EXTERN bool prepare();
QPID_BROKER_EXTERN bool commit(bool onePhase);
QPID_BROKER_EXTERN void rollback();
QPID_BROKER_EXTERN void add(DtxBuffer::shared_ptr ops);
void recover(std::auto_ptr<TPCTransactionContext> txn, DtxBuffer::shared_ptr ops);
void timedout();
void setTimeout(boost::intrusive_ptr<DtxTimeout> t) { timeout = t; }
boost::intrusive_ptr<DtxTimeout> getTimeout() { return timeout; }
std::string getXid() const { return xid; }
bool isCompleted() const { return completed; }
bool isRolledback() const { return rolledback; }
bool isPrepared() const { return prepared; }
bool isExpired() const { return expired; }
// Used by cluster update;
size_t size() const { return work.size(); }
DtxBuffer::shared_ptr operator[](size_t i) const;
uint32_t getTimeout() const { return timeout? timeout->timeout : 0; }
size_t indexOf(const DtxBuffer::shared_ptr&);
};
}} // qpid::broker
#endif
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