/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the QtSql module of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef QSQLCACHEDRESULT_P_H+
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#define QSQLCACHEDRESULT_P_H+
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+
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//+
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//  W A R N I N G+
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//  -------------+
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//+
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// This file is not part of the Qt API.  It exists for the convenience+
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// of other Qt classes.  This header file may change from version to+
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// version without notice, or even be removed.+
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//+
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// We mean it.+
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//+
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+
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#include "QtSql/qsqlresult.h"+
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+
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QT_BEGIN_NAMESPACE+
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+
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class QVariant;+
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template <typename T> class QVector;+
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+
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class QSqlCachedResultPrivate;+
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+
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class Q_SQL_EXPORT QSqlCachedResult: public QSqlResult+
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{+
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public:+
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    virtual ~QSqlCachedResult();+
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+
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    typedef QVector<QVariant> ValueCache;+
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+
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protected:+
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    QSqlCachedResult(const QSqlDriver * db);+
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+
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    void init(int colCount);+
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    void cleanup();+
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    void clearValues();+
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+
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    virtual bool gotoNext(ValueCache &values, int index) = 0;+
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+
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    QVariant data(int i);+
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    bool isNull(int i);+
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    bool fetch(int i);+
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    bool fetchNext();+
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    bool fetchPrevious();+
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    bool fetchFirst();+
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    bool fetchLast();+
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+
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    int colCount() const;+
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    ValueCache &cache();+
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+
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    void virtual_hook(int id, void *data);+
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private:+
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    bool cacheNext();+
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    QSqlCachedResultPrivate *d;+
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};+
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+
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QT_END_NAMESPACE+
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+
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#endif // QSQLCACHEDRESULT_P_H+
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