1/*
2 Copyright (c) 2009 Volker Krause <vkrause@kde.org>
3
4 This library is free software; you can redistribute it and/or modify it
5 under the terms of the GNU Library General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or (at your
7 option) any later version.
8
9 This library is distributed in the hope that it will be useful, but WITHOUT
10 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
12 License for more details.
13
14 You should have received a copy of the GNU Library General Public License
15 along with this library; see the file COPYING.LIB. If not, write to the
16 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
17 02110-1301, USA.
18*/
19
20#ifndef KPIMUTILS_SUPERTRAIT_H
21#define KPIMUTILS_SUPERTRAIT_H
22
23// NOTE: This header is a copy of kdepimlibs/kpimutils/supertrait.h because we can't
24// depend on KPIMUtils.
25// DO NOT change include guards or namespace.
26
27//@cond PRIVATE
28namespace KPIMUtils {
29/**
30 @internal
31 @see super_class
32*/
33template <typename Super>
34struct SuperClassTrait
35{
36 typedef Super Type;
37};
38
39/**
40 Type trait to provide information about a base class for a given class.
41 Used eg. for the Akonadi payload mechanism.
42
43 To provide base class introspection for own types, extend this trait as follows:
44 @code
45 namespace KPIMUtils
46 {
47 template <> struct SuperClass<MyClass> : public SuperClassTrait<MyBaseClass>{};
48 }
49 @endcode
50*/
51template <typename Class> struct SuperClass : public SuperClassTrait<Class> {};
52}
53//@endcond
54
55#endif
56