QxOrm 1.1.8
C++ Object Relational Mapping library
QxSession.h
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00001 /****************************************************************************
00002 **
00003 ** http://www.qxorm.com/
00004 ** http://sourceforge.net/projects/qxorm/
00005 ** Original file by Lionel Marty
00006 **
00007 ** This file is part of the QxOrm library
00008 **
00009 ** This software is provided 'as-is', without any express or implied
00010 ** warranty. In no event will the authors be held liable for any
00011 ** damages arising from the use of this software.
00012 **
00013 ** GNU Lesser General Public License Usage
00014 ** This file must be used under the terms of the GNU Lesser
00015 ** General Public License version 2.1 as published by the Free Software
00016 ** Foundation and appearing in the file 'license.lgpl.txt' included in the
00017 ** packaging of this file.  Please review the following information to
00018 ** ensure the GNU Lesser General Public License version 2.1 requirements
00019 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
00020 **
00021 ** If you have questions regarding the use of this file, please contact :
00022 ** contact@qxorm.com
00023 **
00024 ****************************************************************************/
00025 
00026 #ifndef _QX_DAO_SESSION_H_
00027 #define _QX_DAO_SESSION_H_
00028 
00029 #ifdef _MSC_VER
00030 #pragma once
00031 #endif
00032 
00040 #include <boost/noncopyable.hpp>
00041 
00042 #include <QtSql/qsqldatabase.h>
00043 #include <QtSql/qsqlquery.h>
00044 #include <QtSql/qsqlerror.h>
00045 #include <QtSql/qsqldriver.h>
00046 
00047 #include <QtCore/qlist.h>
00048 
00049 #include <QxDao/QxSqlError.h>
00050 
00051 namespace qx {
00052 
00083 class QX_DLL_EXPORT QxSession : private boost::noncopyable
00084 {
00085 
00086 private:
00087 
00088    QSqlDatabase m_database;            
00089    QList<QSqlError> m_lstSqlError;     
00090    bool m_bTransaction;                
00091    bool m_bThrowable;                  
00092    bool m_bThrowInEvent;               
00093    bool m_bAutoOpenClose;              
00094 
00095 public:
00096 
00097    QxSession();
00098    QxSession(const QSqlDatabase & database);
00099    QxSession(const QSqlDatabase & database, bool bOpenTransaction);
00100    QxSession(const QSqlDatabase & database, bool bOpenTransaction, bool bThrowable);
00101    virtual ~QxSession() { close(); }
00102 
00103    inline bool isThrowable() const              { return m_bThrowable; }
00104    inline bool isOpened() const                 { return m_bTransaction; }
00105    inline bool isValid() const                  { return (m_lstSqlError.count() <= 0); }
00106    inline QSqlError firstError() const          { return ((m_lstSqlError.count() > 0) ? m_lstSqlError.first() : QSqlError()); }
00107    inline QSqlError lastError() const           { return ((m_lstSqlError.count() > 0) ? m_lstSqlError.last() : QSqlError()); }
00108    inline QList<QSqlError> allErrors() const    { return m_lstSqlError; }
00109    inline const QSqlDatabase * database() const { return (& m_database); }
00110    inline QSqlDatabase * database()             { return (& m_database); }
00111 
00112    bool open();
00113    bool close();
00114    bool commit();
00115    bool rollback();
00116 
00117    QxSession & operator+= (const QSqlError & err);
00118 
00119 private:
00120 
00121    void appendSqlError(const QSqlError & err);
00122    void clear();
00123 
00124 };
00125 
00126 } // namespace qx
00127 
00128 #endif // _QX_DAO_SESSION_H_
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