ik_IRefCounted.h

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// Copyright (C) 2002-2014 Nikolaus Gebhardt
// This file is part of the "irrKlang" library.
// For conditions of distribution and use, see copyright notice in irrKlang.h

#ifndef __I_IRRKLANG_IREFERENCE_COUNTED_H_INCLUDED__
#define __I_IRRKLANG_IREFERENCE_COUNTED_H_INCLUDED__

#include "ik_irrKlangTypes.h"

namespace irrklang
{

    class IRefCounted
    {
    public:

        IRefCounted()
            : ReferenceCounter(1)
        {
        }

        virtual ~IRefCounted()
        {
        }

        void grab() { ++ReferenceCounter; }

        bool drop()
        {
            --ReferenceCounter;

            if (!ReferenceCounter)
            {
                delete this;
                return true;
            }

            return false;
        }

    private:

        ik_s32  ReferenceCounter;
    };

} // end namespace irr

#endif