src/sql/kernel/qsqldriverplugin.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 19 Feb 2010 23:40:16 +0200
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/****************************************************************************
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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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#include "qsqldriverplugin.h"
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QT_BEGIN_NAMESPACE
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/*!
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    \class QSqlDriverPlugin
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    \brief The QSqlDriverPlugin class provides an abstract base for custom QSqlDriver plugins.
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    \ingroup plugins
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    \inmodule QtSql
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    The SQL driver plugin is a simple plugin interface that makes it
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    easy to create your own SQL driver plugins that can be loaded
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    dynamically by Qt.
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    Writing a SQL plugin is achieved by subclassing this base class,
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    reimplementing the pure virtual functions keys() and create(), and
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    exporting the class with the Q_EXPORT_PLUGIN2() macro. See the SQL
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    plugins that come with Qt for example implementations (in the
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    \c{plugins/src/sqldrivers} subdirectory of the source
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    distribution).
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    \sa {How to Create Qt Plugins}
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*/
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/*!
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    \fn QStringList QSqlDriverPlugin::keys() const
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    Returns the list of drivers (keys) this plugin supports.
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    These keys are usually the class names of the custom drivers that
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    are implemented in the plugin.
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    \sa create()
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*/
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/*!
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    \fn QSqlDriver *QSqlDriverPlugin::create(const QString& key)
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    Creates and returns a QSqlDriver object for the driver called \a
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    key. The driver key is usually the class name of the required
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    driver. Keys are case sensitive.
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    \sa keys()
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*/
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/*!
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    Constructs a SQL driver plugin and sets the parent to \a parent.
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    This is invoked automatically by the Q_EXPORT_PLUGIN2() macro.
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*/
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QSqlDriverPlugin::QSqlDriverPlugin(QObject *parent)
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    : QObject(parent)
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{
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}
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/*!
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    Destroys the SQL driver plugin.
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    You never have to call this explicitly. Qt destroys a plugin
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    automatically when it is no longer used.
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*/
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QSqlDriverPlugin::~QSqlDriverPlugin()
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{
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}
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QT_END_NAMESPACE