PerJetFlavourUncertaintyComponent.h

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/*
  Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef JETUNCERTAINTIES_PERJETFLAVOURUNCERTAINTYCOMPONENT_H
#define JETUNCERTAINTIES_PERJETFLAVOURUNCERTAINTYCOMPONENT_H
 
#include "JetUncertainties/UncertaintyComponent.h"
//#include "TF1.h"
class TF1;
 
namespace jet
{
 
class PerJetFlavourUncertaintyComponent : public UncertaintyComponent
{
    public:
        // Constructor/destructor
        PerJetFlavourUncertaintyComponent(const ComponentHelper& component);
        PerJetFlavourUncertaintyComponent(const PerJetFlavourUncertaintyComponent& toCopy);
        virtual PerJetFlavourUncertaintyComponent* clone() const;
        virtual ~PerJetFlavourUncertaintyComponent() {}
        virtual StatusCode initialize(TFile* histFile);
 
        // Extra information retrieval methods
        virtual std::vector<int> getRelevantLabels() const { return m_labels; }
 
    protected:
        
        // Uncertainty/validity retrieval helper methods
        virtual bool   getValidityImpl(const xAOD::Jet& jet, const xAOD::EventInfo& eInfo)    const;
        virtual double getUncertaintyImpl(const xAOD::Jet& jet, const xAOD::EventInfo& eInfo) const;
 
    private:
        // Default constructor is forbidden
        PerJetFlavourUncertaintyComponent(const std::string& name = "");
 
        // Additional private members
        const bool    m_absEta{};
        const std::vector<int> m_labels;
        const FlavourComp::TypeEnum m_flavourType{};
        const bool    m_constrainZresponse{};
        const TString    m_constrainZresponseFunc{};
        const TF1*    m_ZjetQuarkFrac{};
 
        // Wrappers for special flavour histograms
        double getFlavourResponseUncertainty(const xAOD::Jet& jet, const xAOD::EventInfo& eInfo) const;
        bool   isSupportedLabel(const int label) const;
        bool   checkTruthLabel(const xAOD::Jet& jet) const;
 
};
 
} // end jet namespace
 
 
#endif