Interfaces/EgammaAnalysisInterfaces/EgammaAnalysisInterfaces/IEgammaCalibrationAndSmearingTool.h

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
 
#ifndef EGAMMAANALYSISINTERFACES__IEGAMMA_CALIB_TOOL_H_
#define EGAMMAANALYSISINTERFACES__IEGAMMA_CALIB_TOOL_H_
 
#include "AsgTools/IAsgTool.h"
//xAOD
#include "xAODEgamma/ElectronFwd.h"
#include "xAODEgamma/PhotonFwd.h"
#include "xAODEgamma/EgammaFwd.h"
#include "PATInterfaces/CorrectionCode.h"
#include "PATInterfaces/ISystematicsTool.h"
// PAT includes
#include "PATCore/PATCoreEnums.h"
 
 
namespace EgammaCalibPeriodRunNumbersExample {
  const int run_2016 = 297730;
  const int run_2015 = 252604;
}
 
 
namespace CP {
 
  class IEgammaCalibrationAndSmearingTool : public CP::ISystematicsTool{
    ASG_TOOL_INTERFACE( IEgammaCalibrationAndSmearingTool )
    public:
    
    virtual ~IEgammaCalibrationAndSmearingTool() {};
    
    virtual StatusCode initialize() = 0;
    
    //Apply the correction on a modifyable egamma object (xAOD::Electron or xAOD::Photon)
    virtual CP::CorrectionCode applyCorrection(xAOD::Egamma &) const = 0;
    
    //Create a corrected copy from a constant egamma object
    virtual CP::CorrectionCode correctedCopy(const xAOD::Electron&, xAOD::Electron*&) const = 0;
    virtual CP::CorrectionCode correctedCopy(const xAOD::Photon&, xAOD::Photon*&) const = 0;
 
 
    virtual double resolution( double energy, double cl_eta, double cl_etaCalo,
                   PATCore::ParticleType::Type ptype = PATCore::ParticleType::Electron, bool withCT=false) const = 0;
    virtual double getResolution(const xAOD::Egamma& particle, bool withCT=true) const = 0;
  };
  
}
#endif