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//##########################################################################
//# #
//# CCLIB #
//# #
//# This program is free software; you can redistribute it and/or modify #
//# it under the terms of the GNU Library General Public License as #
//# published by the Free Software Foundation; version 2 or later of the #
//# License. #
//# #
//# This program 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. #
//# #
//# COPYRIGHT: EDF R&D / TELECOM ParisTech (ENST-TSI) #
//# #
//##########################################################################
#ifndef CC_SHAREABLE_HEADER
#define CC_SHAREABLE_HEADER
//Local
#include "CCCoreLib.h"
//system
#include <cassert>
//Activate shared objects tracking (for debug purposes)
#ifdef CC_DEBUG
//#define CC_TRACK_ALIVE_SHARED_OBJECTS
#endif
//CCShareable object (with counter)
class CC_CORE_LIB_API CCShareable
{
public:
//! Default constructor
CCShareable();
//! Increase counter
/** Should be called when this object is 'attached' to another one.
**/
virtual void link();
//! Decrease counter and deletes object when 0
/** Should be called when this object is 'detached'.
**/
virtual void release();
//! Returns the current link count
/** \return current link count
**/
inline virtual unsigned getLinkCount() const { return m_linkCount; }
#ifdef CC_TRACK_ALIVE_SHARED_OBJECTS
//! Get alive shared objects count
static unsigned GetAliveCount();
#endif
protected:
//! Destructor
/** private to avoid deletion with 'delete' operator
**/
virtual ~CCShareable();
//! Links counter
unsigned m_linkCount;
};
#endif //CC_SHAREABLE_HEADER
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