/usr/include/dclib-0.3/dclib/core/csingleton.h is in libdc-dev 0.3.24~svn3121-2.
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csingleton.h - description
-------------------
begin : Sun Jul 07 2002
copyright : (C) 2002-2003 by Mathias Küster
email : mathen@users.berlios.de
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#ifndef CSINGLETON_H
#define CSINGLETON_H
/**
*@author Mathias Küster
*
* A class for having only one instance of a class,
* except this does not handle the creation of the class to
* ensure there's only one, so exactly what it does provide
* is not clear.
*/
#include <dclib/dcos.h>
template<typename type> class CSingleton {
public:
/** */
CSingleton() {
};
/** */
virtual ~CSingleton() {
type::_instance_ptr = 0;
};
/** */
static type * Instance() {
return type::_instance_ptr;
};
/** */
static void SetInstance( type * t ) {
type::_instance_ptr = t;
};
protected:
/** */
static type * _instance_ptr;
};
template <typename type> type* CSingleton <type>::_instance_ptr = 0;
#endif
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