ICountedObject.hpp

Go to the documentation of this file.

#ifndef __ICountedObject__
#define __ICountedObject__

//  ===========================================================================

#include "CClass.hpp"
using Exponent::Basics::CClass;

//  ===========================================================================

namespace Exponent
{
    namespace Basics
    {
        interface ICountedObject
        {
        
//  ===========================================================================
            
        public:
            
//  ===========================================================================
            
            ICountedObject() { }
            
            virtual ~ICountedObject() { }

//  ===========================================================================

            virtual void referenced() = 0;

            virtual void dereference() = 0;

            virtual long getReferenceCount() const = 0;

            virtual void getObjectDescription(char *string, const long size) const = 0;
        
            virtual const CClass &getObjectClass() const = 0;

//  ===========================================================================
        };
    }
}

#define EXCHANGE_COUNTED_OBJECTS(x, y) if ((x) != (y)) { if (x) { (x)->dereference(); } (x) = (y); if (x) { (x)->referenced(); } }

#define FORGET_COUNTED_OBJECT(x) if(x) { (x)->dereference(); } (x) = NULL;

#endif  // End of ICountedObject.hpp

---