| /* |
| * |
| * 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/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; |
| 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); |
| 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 |