/*]  Copyright (c) 2009-2010, Charles McGarvey  [**************************
**]  All rights reserved.
*
* vi:ts=4 sw=4 tw=75
*
* Distributable under the terms and conditions of the 2-clause BSD license;
* see the file COPYING for a complete text of the license.
*
**************************************************************************/

#ifndef _MOOF_BACKEND_HH_
#define _MOOF_BACKEND_HH_

/**
 * \file backend.hh
 * Initialize the backend libraries and subsystems.
 */


namespace moof {


/**
 * Some classes and subsystems require certain backend libraries to be
 * initialized.  This is the mechanism to accomplish that.  Classes which
 * rely on any backend libraries just need to instantiate this class as a
 * member.  Backend cleanup will occur automagically when there are no more
 * instances.
 */
class backend
{
public:

	/**
	 * Construct a backend reference, initializing the backend if it hasn't
	 * already been initialized.
	 */
	backend();

	/**
	 * Get whether or not the backend has been initialized.
	 * \return True if the backend is initialized, false otherwise.
	 */
	static bool is_initialized();


	// The rest of this stuff is to implement the reference counting.

	backend(const backend& backend);
	backend& operator=(const backend& backend);
	~backend();
};


} // namespace moof

#endif // _MOOF_BACKEND_HH_