QxOrm 1.1.9
C++ Object Relational Mapping library
QxBoostSerializeHelper.h
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00001 /****************************************************************************
00002 **
00003 ** http://www.qxorm.com/
00004 ** http://sourceforge.net/projects/qxorm/
00005 ** Original file by Lionel Marty
00006 **
00007 ** This file is part of the QxOrm library
00008 **
00009 ** This software is provided 'as-is', without any express or implied
00010 ** warranty. In no event will the authors be held liable for any
00011 ** damages arising from the use of this software.
00012 **
00013 ** GNU Lesser General Public License Usage
00014 ** This file must be used under the terms of the GNU Lesser
00015 ** General Public License version 2.1 as published by the Free Software
00016 ** Foundation and appearing in the file 'license.lgpl.txt' included in the
00017 ** packaging of this file.  Please review the following information to
00018 ** ensure the GNU Lesser General Public License version 2.1 requirements
00019 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
00020 **
00021 ** If you have questions regarding the use of this file, please contact :
00022 ** contact@qxorm.com
00023 **
00024 ****************************************************************************/
00025 
00026 #ifndef _QX_BOOST_SERIALIZE_HELPER_H_
00027 #define _QX_BOOST_SERIALIZE_HELPER_H_
00028 
00029 #ifdef _MSC_VER
00030 #pragma once
00031 #endif
00032 
00033 #include <boost/type_traits/is_same.hpp>
00034 #include <boost/serialization/void_cast.hpp>
00035 
00036 #include <QxTraits/get_base_class.h>
00037 
00038 #include <QxSerialize/QxBoostSerializeHelper/QxBoostInitGuid.h>
00039 
00040 namespace qx {
00041 
00042 template <class T>
00043 class QxBoostSerializeHelper
00044 {
00045 
00046 private:
00047 
00048    typedef T type_derived;
00049    typedef typename qx::trait::get_base_class<type_derived>::type type_base;
00050 
00051 public:
00052 
00053    template <class Archive>
00054    static inline void register_type_helper(Archive & ar, const T * t)
00055    { Q_UNUSED(t); ar.template register_type<type_derived>(); }
00056 
00057    static inline void void_cast_register_helper(const T * t)
00058    { Q_UNUSED(t); QxBoostVoidCastRegisterHelper<boost::is_same<type_base, qx::trait::no_base_class_defined>::value, 0>::helper(); }
00059 
00060    static inline void init_guid(const T * t)
00061    { Q_UNUSED(t); QxBoostInitGuid<T>::init(); }
00062 
00063 private:
00064 
00065    template <bool bNoBaseClass /* = false */, int dummy>
00066    struct QxBoostVoidCastRegisterHelper
00067    { static inline void helper() { boost::serialization::void_cast_register(static_cast<type_derived *>(NULL), static_cast<type_base *>(NULL)); } };
00068 
00069    template <int dummy>
00070    struct QxBoostVoidCastRegisterHelper<true, dummy>
00071    { static inline void helper() { /* Nothing */ ; } };
00072 
00073 };
00074 
00075 } // namespace qx
00076 
00077 #endif // _QX_BOOST_SERIALIZE_HELPER_H_
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