// @(#)root/meta:$Name: p16-br-05 $:$Id: TClassRef.hpp,v 1.1.4.1 2004/03/23 16:21:06 serban Exp $
// Author: Axel Naumann   01/08/2002

/*************************************************************************
 * Copyright (C) 1995-2002, Rene Brun and Fons Rademakers.               *
 * All rights reserved.                                                  *
 *                                                                       *
 * For the licensing terms see $ROOTSYS/LICENSE.                         *
 * For the list of contributors see $ROOTSYS/README/CREDITS.             *
 *************************************************************************/

#ifndef ROOT_TClassRef
#define ROOT_TClassRef

#ifndef ROOT_TObject
#include "TObject.h"
#endif

class TClass;

class TClassRef: public TObject {
public:
   inline TClassRef(const TClass* cl = NULL): fClass(cl) {}
   inline TClassRef(const char* clname) { SetClass(clname); }
   virtual inline ~TClassRef() {}

   void SetClass(const char* clname);
   inline void SetClass(const TClass* cl) { fClass = cl; }

   inline const TClass* GetClass() const { return fClass; }

   Bool_t IsEqual(const TObject *obj) const { return (Compare(obj)==0); };
   Int_t Compare(const TObject *obj) const;
   Bool_t IsSortable() const { return kTRUE; }
   ULong_t Hash() const;

private:
   const TClass* fClass; //! referenced TClass
   ClassDef(TClassRef,1) // persistent TClass reference
};

#endif // ifdef ROOT_TClassRef