src/qpid/store/ms-sql/AmqpTransaction.h

#ifndef QPID_STORE_MSSQL_AMQPTRANSACTION_H
#define QPID_STORE_MSSQL_AMQPTRANSACTION_H

/*
 *
 * 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.
 *
 */

#include <qpid/broker/TransactionalStore.h>
#include <boost/shared_ptr.hpp>
#include <string>

#include "SqlTransaction.h"

namespace qpid {
namespace store {
namespace ms_sql {

class DatabaseConnection;

/**
 * @class AmqpTransaction
 *
 * Class representing an AMQP transaction. This is used around a set of
 * enqueue and dequeue operations that occur when the broker is acting
 * on a transaction commit/abort from the client.
 */
class AmqpTransaction : public qpid::broker::TransactionContext {

    boost::shared_ptr<DatabaseConnection> db;
    SqlTransaction sqlTrans;

public:
    AmqpTransaction(const boost::shared_ptr<DatabaseConnection>& _db);
    virtual ~AmqpTransaction();

    DatabaseConnection *dbConn() { return db.get(); }

    void sqlBegin();
    void sqlCommit();
    void sqlAbort();
};

/**
 * @class AmqpTPCTransaction
 *
 * Class representing a Two-Phase-Commit (TPC) AMQP transaction. This is
 * used around a set of enqueue and dequeue operations that occur when the
 * broker is acting on a transaction prepare/commit/abort from the client.
 */
class AmqpTPCTransaction : public AmqpTransaction,
                           public qpid::broker::TPCTransactionContext {
    bool prepared;
    std::string  xid;

public:
    AmqpTPCTransaction(const boost::shared_ptr<DatabaseConnection>& db,
                       const std::string& _xid);
    virtual ~AmqpTPCTransaction();

    void setPrepared(void) { prepared = true; }
    bool isPrepared(void) const { return prepared; }

    const std::string& getXid(void) const { return xid; }
};

}}}  // namespace qpid::store::ms_sql

#endif /* QPID_STORE_MSSQL_AMQPTRANSACTION_H */