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/*
* Copyright (C) 2001-2008 Jacek Sieka, arnetheduck on gmail point com
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#if !defined(SINGLETON_H)
#define SINGLETON_H
namespace dcpp {
template<typename T>
class Singleton {
public:
Singleton() { }
virtual ~Singleton() { }
static T* getInstance() {
dcassert(instance);
return instance;
}
static void newInstance() {
if(instance)
delete instance;
instance = new T();
}
static void deleteInstance() {
if(instance)
delete instance;
instance = NULL;
}
protected:
static T* instance;
private:
Singleton(const Singleton&);
Singleton& operator=(const Singleton&);
};
template<class T> T* Singleton<T>::instance = NULL;
} // namespace dcpp
#endif // !defined(SINGLETON_H)
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