PhotonEnergyCalibratorRun2.h

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#ifndef PhotonEnergyCalibratorRun2_h
#define PhotonEnergyCalibratorRun2_h

#include <TRandom.h>
#include "EgammaAnalysis/ElectronTools/interface/EnergyScaleCorrection_class.h"
#include "EgammaAnalysis/ElectronTools/interface/SimplePhoton.h"
#include "FWCore/Utilities/interface/StreamID.h"

#include <vector>

class PhotonEnergyCalibratorRun2 {
 public:
  // dummy constructor for persistence
  PhotonEnergyCalibratorRun2() {}
  
  // further configuration will be added when we will learn how it will work
  PhotonEnergyCalibratorRun2(bool isMC, bool synchronization, std::string correctionFile);

  ~PhotonEnergyCalibratorRun2() ;
  
  void initPrivateRng(TRandom *rnd) ;
  
  void calibrate(SimplePhoton &photon, edm::StreamID const & id = edm::StreamID::invalidStreamID()) const ;
  
  void calibrate(reco::Photon &photon, unsigned int runNumber, edm::StreamID const & id = edm::StreamID::invalidStreamID()) const ;
  
 protected:    
  // whatever data will be needed
  bool isMC_, synchronization_;
  TRandom *rng_;
  std::vector<double> smearings_;
  std::vector<double> scales_;
  
  double gauss(edm::StreamID const& id) const ;
  EnergyScaleCorrection_class _correctionRetriever;

};

#endif