//-----------------------------------------------------------
// File and Version Information:
// $Id$
//
// Description:
//      Storage class for (MC) fractions 
//      
//      
//
//
// Environment:
//      Software developed for GEM-TPC detector in FOPI.
//
// Author List:
//      Felix Boehmer    TUM            (original author)
//
//
//-----------------------------------------------------------


#ifndef FOPIPIDFRACTIONSET_HH
#define FOPIPIDFRACTIONSET_HH

#include "TObject.h"

#include "TString.h"

#include <map>



class FopiPidFractionSet : public TObject {

 public:
  FopiPidFractionSet();
  FopiPidFractionSet(double minMom, double maxMom);
  virtual ~FopiPidFractionSet() {;}

  
  bool addFraction(const TString& part, double fraction);
  
  //returns -1. if entry not found
  double getFraction(const TString& part) const;
  void getMomWindow(double& min, double& max) const;
  


 private:
  
  double fMinMom;
  double fMaxMom;
  std::map<TString, double> fFracMap;

 public:
  ClassDef(FopiPidFractionSet,1)
  


};

#endif