ElectronSqPtTkIsolation.h

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#ifndef ElectronSqPtTkIsolation_h
#define ElectronSqPtTkIsolation_h
 
//C++ includes
#include <vector>
#include <functional>
 
//Root includes
#include "TObjArray.h"
 
//CMSSW includes
#include "FWCore/Framework/interface/ESHandle.h"
#include "DataFormats/EgammaCandidates/interface/GsfElectron.h"
#include "DataFormats/TrackReco/interface/Track.h"
 
class ElectronSqPtTkIsolation {
public:
  //constructors
  ElectronSqPtTkIsolation(double extRadius, double intRadius, double ptLow, double lip, const reco::TrackCollection*);
  //destructor
  ~ElectronSqPtTkIsolation();
 
  //methods
 
  int getNumberTracks(const reco::GsfElectron*) const;
  double getPtTracks(const reco::GsfElectron*) const;
 
private:
  double extRadius_;
  double intRadius_;
  double ptLow_;
  double lip_;
 
  const reco::TrackCollection* trackCollection_;
 
  std::pair<int, double> getIso(const reco::GsfElectron*) const;
};
 
#endif