blob: 878fb6ba455156a1e6b9d999a91fb469a347382d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtSql module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qsqldriverplugin.h"
QT_BEGIN_NAMESPACE
/*!
\class QSqlDriverPlugin
\brief The QSqlDriverPlugin class provides an abstract base for custom QSqlDriver plugins.
\ingroup plugins
\inmodule QtSql
The SQL driver plugin is a simple plugin interface that makes it
easy to create your own SQL driver plugins that can be loaded
dynamically by Qt.
Writing a SQL plugin is achieved by subclassing this base class,
reimplementing the pure virtual functions keys() and create(), and
exporting the class with the Q_EXPORT_PLUGIN2() macro. See the SQL
plugins that come with Qt for example implementations (in the
\c{plugins/src/sqldrivers} subdirectory of the source
distribution).
\sa {How to Create Qt Plugins}
*/
/*!
\fn QStringList QSqlDriverPlugin::keys() const
Returns the list of drivers (keys) this plugin supports.
These keys are usually the class names of the custom drivers that
are implemented in the plugin.
\sa create()
*/
/*!
\fn QSqlDriver *QSqlDriverPlugin::create(const QString& key)
Creates and returns a QSqlDriver object for the driver called \a
key. The driver key is usually the class name of the required
driver. Keys are case sensitive.
\sa keys()
*/
/*!
Constructs a SQL driver plugin and sets the parent to \a parent.
This is invoked automatically by the Q_EXPORT_PLUGIN2() macro.
*/
QSqlDriverPlugin::QSqlDriverPlugin(QObject *parent)
: QObject(parent)
{
}
/*!
Destroys the SQL driver plugin.
You never have to call this explicitly. Qt destroys a plugin
automatically when it is no longer used.
*/
QSqlDriverPlugin::~QSqlDriverPlugin()
{
}
QT_END_NAMESPACE
|
