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/*
* The Mana World Server
* Copyright 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* The Mana World 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 any later version.
*
* The Mana World 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 The Mana World; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _TMWSERV_SINGLETON_H_
#define _TMWSERV_SINGLETON_H_
namespace utils
{
/**
* An abstract Meyer's singleton class.
*/
template <typename T>
class Singleton
{
public:
/**
* Create an instance of Singleton.
*
* @return the unique instance of Singleton.
*/
static T&
instance(void)
{
static T theInstance;
return theInstance;
}
protected:
/**
* Default constructor.
*/
Singleton(void)
throw()
{
// NOOP
}
/**
* Destructor.
*/
virtual
~Singleton(void)
throw()
{
// NOOP
}
private:
/**
* Copy constructor.
*/
Singleton(const Singleton& rhs);
/**
* Assignment operator.
*/
Singleton&
operator=(const Singleton& rhs);
};
} // namespace utils
#endif // _TMWSERV_SINGLETON_H_
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