00001 /*************************************************************************** 00002 * Copyright (C) 2008 by Kutumov Alexey * 00003 * ru.pixel@gmail.com * 00004 * * 00005 * This program is free software; you can redistribute it and/or modify * 00006 * it under the terms of the GNU General Public License as published by * 00007 * the Free Software Foundation; either version 2 of the License, or * 00008 * (at your option) any later version. * 00009 * * 00010 * This program is distributed in the hope that it will be useful, * 00011 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 00013 * GNU General Public License for more details. * 00014 * * 00015 * You should have received a copy of the GNU General Public License * 00016 * along with this program; if not, write to the * 00017 * Free Software Foundation, Inc., * 00018 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * 00019 ***************************************************************************/ 00020 00034 #ifndef __singleton__header__ 00035 #define __singleton__header__ 00036 00037 #include "gpucalc/object.h" 00038 00039 namespace gpucalc 00040 { 00041 const char _SingletonClassName [] = "Singleton"; 00042 00054 template <typename T> class Singleton: public Object 00055 { 00056 00057 OBJ_DISABLE_COPY(Singleton) 00058 00059 00060 public: 00061 Singleton(const std::string & SingletonType): Object(_SingletonClassName, SingletonType) 00062 { 00063 assert(!mSingleton); 00064 mSingleton = static_cast< T * >(this); 00065 } 00066 00067 00068 ~Singleton() 00069 { 00070 assert(mSingleton); 00071 mSingleton = 0; 00072 } 00073 00074 00091 static T & getSingleton() 00092 { 00093 assert(mSingleton); 00094 return (* mSingleton); 00095 } 00096 00097 00101 static T * getSingletonPtr() 00102 { 00103 return mSingleton; 00104 } 00105 00106 00107 protected: 00108 static T * mSingleton; 00109 }; 00110 } 00111 00112 #endif