/****************************************************************************

**

** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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** Contact: Nokia Corporation (qt-info@nokia.com)

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** This file is part of the QtSql module of the Qt Toolkit.

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** No Commercial Usage

** This file contains pre-release code and may not be distributed.

** You may use this file in accordance with the terms and conditions

** contained in the Technology Preview License Agreement accompanying

** this package.

**

** GNU Lesser General Public License Usage

** Alternatively, this file may be used under the terms of the GNU Lesser

** General Public License version 2.1 as published by the Free Software

** Foundation and appearing in the file LICENSE.LGPL included in the

** packaging of this file.  Please review the following information to

** ensure the GNU Lesser General Public License version 2.1 requirements

** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

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** If you have questions regarding the use of this file, please contact

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** $QT_END_LICENSE$

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****************************************************************************/

#ifndef QSQLDATABASE_H

#define QSQLDATABASE_H

#include <QtCore/qstring.h>

#include <QtSql/qsql.h>

#ifdef QT3_SUPPORT

#include <QtSql/qsqlrecord.h>

#endif

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Sql)

class QSqlError;

class QSqlDriver;

class QSqlIndex;

class QSqlRecord;

class QSqlQuery;

class QSqlDatabasePrivate;

class Q_SQL_EXPORT QSqlDriverCreatorBase

{

public:

    virtual ~QSqlDriverCreatorBase() {}

    virtual QSqlDriver *createObject() const = 0;

};

template <class T>

class QSqlDriverCreator : public QSqlDriverCreatorBase

{

public:

    QSqlDriver *createObject() const { return new T; }

};

class Q_SQL_EXPORT QSqlDatabase

{

public:

    QSqlDatabase();

    QSqlDatabase(const QSqlDatabase &other);

    ~QSqlDatabase();

    QSqlDatabase &operator=(const QSqlDatabase &other);

    bool open();

    bool open(const QString& user, const QString& password);

    void close();

    bool isOpen() const;

    bool isOpenError() const;

    QStringList tables(QSql::TableType type = QSql::Tables) const;

    QSqlIndex primaryIndex(const QString& tablename) const;

    QSqlRecord record(const QString& tablename) const;

#ifdef QT3_SUPPORT

    QT3_SUPPORT QSqlRecord record(const QSqlQuery& query) const;

    inline QT3_SUPPORT QSqlRecord recordInfo(const QString& tablename) const

    { return record(tablename); }

    QT3_SUPPORT QSqlRecord recordInfo(const QSqlQuery& query) const;

#endif

    QSqlQuery exec(const QString& query = QString()) const;

    QSqlError lastError() const;

    bool isValid() const;

    bool transaction();

    bool commit();

    bool rollback();

    void setDatabaseName(const QString& name);

    void setUserName(const QString& name);

    void setPassword(const QString& password);

    void setHostName(const QString& host);

    void setPort(int p);

    void setConnectOptions(const QString& options = QString());

    QString databaseName() const;

    QString userName() const;

    QString password() const;

    QString hostName() const;

    QString driverName() const;

    int port() const;

    QString connectOptions() const;

    QString connectionName() const;

    void setNumericalPrecisionPolicy(QSql::NumericalPrecisionPolicy precisionPolicy);

    QSql::NumericalPrecisionPolicy numericalPrecisionPolicy() const;

    QSqlDriver* driver() const;

    QT_STATIC_CONST char *defaultConnection;

    static QSqlDatabase addDatabase(const QString& type,

                                 const QString& connectionName = QLatin1String(defaultConnection));

    static QSqlDatabase addDatabase(QSqlDriver* driver,

                                 const QString& connectionName = QLatin1String(defaultConnection));

    static QSqlDatabase cloneDatabase(const QSqlDatabase &other, const QString& connectionName);

    static QSqlDatabase database(const QString& connectionName = QLatin1String(defaultConnection),

                                 bool open = true);

    static void removeDatabase(const QString& connectionName);

    static bool contains(const QString& connectionName = QLatin1String(defaultConnection));

    static QStringList drivers();

    static QStringList connectionNames();

    static void registerSqlDriver(const QString &name, QSqlDriverCreatorBase *creator);

    static bool isDriverAvailable(const QString &name);

protected:

    explicit QSqlDatabase(const QString& type);

    explicit QSqlDatabase(QSqlDriver* driver);

private:

    friend class QSqlDatabasePrivate;

    QSqlDatabasePrivate *d;

};

#ifndef QT_NO_DEBUG_STREAM

Q_SQL_EXPORT QDebug operator<<(QDebug, const QSqlDatabase &);

#endif

QT_END_NAMESPACE

QT_END_HEADER

#endif // QSQLDATABASE_H