/*
* (c) 2005, 2008 Nico Pranke <Nico.Pranke@googlemail.com>, Robin Luedtke <RobinLu@gmx.de>
*
* This file is part of avcap.
*
* avcap 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 3 of the License, or
* (at your option) any later version.
*
* avcap 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 avcap. If not, see <http://www.gnu.org/licenses/>.
*/
/* avcap is free for non-commercial use.
* To use it in commercial endeavors, please contact Nico Pranke <Nico.Pranke@googlemail.com>
*/
#ifndef SINGLETON_H_
#define SINGLETON_H_
namespace avcap
{
//! Base for classes that implement the singleton pattern.
/*! There are lots of more spohisticated approaches to implement
* a singleton but this simple approach is sufficient here. */
template <class T>
class Singleton
{
public:
//! Get the global instance of the singleton.
static T& instance()
{
static T _instance;
return _instance;
}
private:
Singleton(); // ctor hidden
~Singleton(); // dtor hidden
Singleton(Singleton const&); // copy ctor hidden
Singleton& operator=(Singleton const&); // assign op hidden
};
}
#endif // SINGLETON_H_