/*****************************************************************************
 * Project: BaBar detector at the SLAC PEP-II B-factory
 * Package: RooFitCore
 *    File: $Id$
 * Authors:
 *   WV, Wouter Verkerke, UC Santa Barbara, verkerke@slac.stanford.edu
 *   DK, David Kirkby, Stanford University, kirkby@hep.stanford.edu
 * History:
 *   16-Aug-2001 WV Created initial version
 *
 * Copyright (C) 2001 University of California
 *****************************************************************************/
#ifndef ROO_CAT_BIN_ITER
#define ROO_CAT_BIN_ITER

#include <iostream.h>
#include "RooFitCore/RooAbsArg.hh"
#include "RooFitCore/RooAbsBinIter.hh"

class RooCatBinIter : public RooAbsBinIter {
public:

  // Constructors, assignment etc.
  RooCatBinIter(const RooAbsArg& arg) ;
  RooCatBinIter(const RooCatBinIter& other) ;
  virtual ~RooCatBinIter() ;

  // Iterator implementation
  virtual RooAbsArg* next() ;
  inline void reset() ; 
  
  virtual Double_t currentCenter() const ;
  virtual Double_t currentLow() const  ;
  virtual Double_t currentHigh() const ;

protected:

  RooAbsArg* _arg ;
  Int_t _curBin ;

  ClassDef(RooCatBinIter,0) // Iterator over all bins of a RooAbsCategory
};

#endif