sprint/singleton.h

Go to the documentation of this file.

/******************************************************************************
*  sprint::singleton
*
*   Copyright (C) 2005-2011  Paolo Medici <www.pmx.it>
*
*  This library 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 library 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
*  Lesser General Public License for more details.
*
*  You should have received a copy of the GNU Lesser General Public
*  License along with this library; if not, write to the Free Software
*  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
*
*******************************************************************************/

#ifndef _SPRINT_SINGLETON_H_
#define _SPRINT_SINGLETON_H_

namespace sprint {

        template <class T>
        class singleton
                {
                public:
                        static T& Instance();
                };

}

#define SINGLETON_INSTANCE(T)  T & sprint::singleton<T>::Instance() { static T obj; return obj; }

#endif