#ifndef ROOT_TIterator
#define ROOT_TIterator

//+SEQ,CopyRight,T=NOINCLUDE.

//////////////////////////////////////////////////////////////////////////
//                                                                      //
// TIterator                                                            //
//                                                                      //
// Iterator abstract base class. This base class provides the interface //
// for collection iterators.                                            //
//                                                                      //
//////////////////////////////////////////////////////////////////////////

#ifndef ROOT_Rtypes
//*KEEP,Rtypes.
#include "Rtypes.h"
//*KEND.
#endif

class TCollection;
class TObject;

class TIterator {

private:
   TIterator(const TIterator &);      // private and not-implemented
   void operator=(const TIterator &); // don't allow copy or assignment of
                                      // iterators, create always a new one

protected:
   TIterator() { }

public:
   virtual ~TIterator() { }
   virtual const TCollection *GetCollection() const = 0;
   virtual Option_t *GetOption() const { return ""; }
   virtual TObject *Next() = 0;
   virtual void Reset() = 0;
   TObject *operator()() { return Next(); }

   ClassDef(TIterator,0)  //Iterator abstract base class
};

#endif