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/*
* dxr3singleton.h
*
* Copyright (C) 2004 Christian Gmeiner
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* 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 Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef _DXR3_SINGLETON_H_
#define _DXR3_SINGLETON_H_
// ==================================
//! A singleton template.
/*!
Is a nice solution to use only
one instance of a class.
*/
template <class T>
class Singleton {
public:
virtual ~Singleton() {}
static T& Instance();
protected:
Singleton() {}
private:
Singleton(const Singleton&);
};
template <class T>
T& Singleton<T>::Instance() {
static T instance;
return instance;
}
#endif /*_DXR3_SINGLETON_H_*/
// Local variables:
// mode: c++
// c-file-style: "stroustrup"
// c-file-offsets: ((inline-open . 0))
// indent-tabs-mode: t
// End:
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