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/****************************************************************************
**
** Definition of QSqlDatabase class
**
** Created : 2000-11-03
**
** Copyright (C) 2005-2008 Trolltech ASA.  All rights reserved.
**
** This file is part of the sql module of the Qt GUI Toolkit.
**
** This file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free
** Software Foundation and appearing in the files LICENSE.GPL2
** and LICENSE.GPL3 included in the packaging of this file.
** Alternatively you may (at your option) use any later version
** of the GNU General Public License if such license has been
** publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free Qt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.QPL
** included in the packaging of this file.  Licensees holding valid Qt
** Commercial licenses may use this file in accordance with the Qt
** Commercial License Agreement provided with the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/

#ifndef QSQLDATABASE_H
#define QSQLDATABASE_H

#ifndef QT_H
#include "qobject.h"
#include "qstring.h"
#include "qsqlquery.h"
#include "qstringlist.h"
#endif // QT_H

#if !defined( QT_MODULE_SQL ) || defined( QT_LICENSE_PROFESSIONAL )
#define QM_EXPORT_SQL
#else
#define QM_EXPORT_SQL Q_EXPORT
#endif

#ifndef QT_NO_SQL

class QSqlError;
class QSqlDriver;
class QSqlIndex;
class QSqlRecord;
class QSqlRecordInfo;
class QSqlDatabasePrivate;

class QM_EXPORT_SQL QSqlDriverCreatorBase
{
public:
    QSqlDriverCreatorBase();
    virtual ~QSqlDriverCreatorBase();
public:
    virtual QSqlDriver* createObject() = 0;
};

template <class type>
class QM_EXPORT_SQL QSqlDriverCreator: public QSqlDriverCreatorBase
{
public:
    QSqlDriver* createObject() { return new type; }
};

class QM_EXPORT_SQL QSqlDatabase : public QObject
{
    Q_OBJECT
    Q_PROPERTY( QString databaseName  READ databaseName WRITE setDatabaseName )
    Q_PROPERTY( QString userName  READ userName WRITE setUserName )
    Q_PROPERTY( QString password  READ password WRITE setPassword )
    Q_PROPERTY( QString hostName  READ hostName WRITE setHostName )
    Q_PROPERTY( int port READ port WRITE setPort )
    Q_PROPERTY( QString connectOptions READ connectOptions WRITE setConnectOptions )

public:
    ~QSqlDatabase();

    bool		open();
    bool		open( const QString& user, const QString& password );
    void		close();
    bool		ping();
    bool		isOpen() const;
    bool		isOpenError() const;
    QStringList		tables() const;
    QStringList		tables( QSql::TableType type ) const;
    QSqlIndex		primaryIndex( const QString& tablename ) const;
    QSqlRecord		record( const QString& tablename ) const;
    QSqlRecord		record( const QSqlQuery& query ) const;
    QSqlRecordInfo	recordInfo( const QString& tablename ) const;
    QSqlRecordInfo	recordInfo( const QSqlQuery& query ) const;
    QSqlQuery		exec( const QString& query = QString::null ) const;
    QSqlError		lastError() const;

    bool		transaction();
    bool		commit();
    bool		rollback();

    virtual void	setDatabaseName( const QString& name );
    virtual void	setUserName( const QString& name );
    virtual void	setPassword( const QString& password );
    virtual void	setHostName( const QString& host );
    virtual void	setPort( int p );
    void 		setConnectOptions( const QString& options = QString::null );
    QString		databaseName() const;
    QString		userName() const;
    QString		password() const;
    QString		hostName() const;
    QString		driverName() const;
    int         	port() const;
    QString 		connectOptions() const;

    QSqlDriver*		driver() const;
    
    // MOC_SKIP_BEGIN
    QT_STATIC_CONST char * const defaultConnection;
    // MOC_SKIP_END

    static QSqlDatabase* addDatabase( const QString& type, const QString& connectionName = defaultConnection );
    static QSqlDatabase* addDatabase( QSqlDriver* driver, const QString& connectionName = defaultConnection );
    static QSqlDatabase* database( const QString& connectionName = defaultConnection, bool open = TRUE );
    static void          removeDatabase( const QString& connectionName );
    static void          removeDatabase( QSqlDatabase* db );
    static bool          contains( const QString& connectionName = defaultConnection );
    static QStringList   drivers();
    static void          registerSqlDriver( const QString& name, const QSqlDriverCreatorBase* creator ); // ### 4.0: creator should not be const
    static bool 	 isDriverAvailable( const QString& name );
    
protected:
    QSqlDatabase( const QString& type, const QString& name, QObject * parent=0, const char * objname=0 );
    QSqlDatabase( QSqlDriver* driver, QObject * parent=0, const char * objname=0 );
private:
    void 	init( const QString& type, const QString& name );
    QSqlDatabasePrivate* d;
#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
    QSqlDatabase( const QSqlDatabase & );
    QSqlDatabase &operator=( const QSqlDatabase & );
#endif

};

#endif // QT_NO_SQL
#endif