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 /* This file is part of the KDE project
    Copyright (C) 2003-2017 Jarosław Staniek <staniek@kde.org>
 
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this program; see the file COPYING.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
 */
 
 #ifndef KDB_TRANSACTIONDATA_H
 #define KDB_TRANSACTIONDATA_H
 
 #include "config-kdb.h"
 #include "kdb_export.h"
 
 #include <QtGlobal>
 
 class KDbConnection;
 
 /**
  * @brief Internal prototype for storing transaction handle for KDbTransaction object
  *
  * Only for driver developers. Teimplement this class for database driver that supports transactions.
  */
 class KDB_EXPORT KDbTransactionData
 {
 public:
     explicit KDbTransactionData(KDbConnection *connection);
 
     ~KDbTransactionData();
 
     //! Increments the value of reference counter for this data.
     void ref();
 
     //! Decrements the value of reference counter for this data.
     void deref();
 
     //! @return value of reference counter for this data.
     int refcount() const;
 
     //! @return "active" flag of this data
     bool isActive() const;
 
     //! Sets "active" flag of this data
     void setActive(bool set);
 
     //! @return connection for this data
     KDbConnection *connection();
 
     //! @overload
     //! @since 3.1
     const KDbConnection *connection() const;
 
 #ifdef KDB_TRANSACTIONS_DEBUG
     //! Helper for debugging, returns value of global transaction data reference counter
     static int globalCount();
 #endif
 
 private:
     Q_DISABLE_COPY(KDbTransactionData)
     class Private;
     Private * const d;
 };
 
 #endif