/******************************************************************************** Copyright (C) 1992-2005 Trolltech AS. All rights reserved.**** This file is part of the sql module of the Qt Toolkit.**** This file may be distributed under the terms of the Q Public License** as defined by Trolltech AS of Norway and appearing in the file** LICENSE.QPL included in the packaging of this file.**** This file may be distributed and/or modified under the terms of the** GNU General Public License version 2 as published by the Free Software** Foundation and appearing in the file LICENSE.GPL included in the** packaging of this file.**** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for**   information about Qt Commercial License Agreements.** See http://www.trolltech.com/qpl/ for QPL licensing information.** See http://www.trolltech.com/gpl/ for GPL licensing information.**** Contact info@trolltech.com if any conditions of this licensing are** not clear to you.**** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.******************************************************************************/#ifndef QSQLCACHEDRESULT_P_H#define QSQLCACHEDRESULT_P_H////  W A R N I N G//  -------------//// This file is not part of the Qt API.  It exists for the convenience// of other Qt classes.  This header file may change from version to// version without notice, or even be removed.//// We mean it.//#include <qsqlresult.h>class QVariant;template <typename T> class QValueVector;class QSqlCachedResultPrivate;class QM_EXPORT_SQL QSqlCachedResult: public QSqlResult{public:    virtual ~QSqlCachedResult();    typedef QValueVector<QVariant> ValueCache;protected:    QSqlCachedResult(const QSqlDriver * db);    void init(int colCount);    void cleanup();    virtual bool gotoNext(ValueCache &values, int index) = 0;    QVariant data(int i);    bool isNull(int i);    bool fetch(int i);    bool fetchNext();    bool fetchPrevious();    bool fetchFirst();    bool fetchLast();    int colCount() const;    ValueCache &cache();private:    bool cacheNext();    QSqlCachedResultPrivate *d;};#endif // QSQLCACHEDRESULT_P_H