CommonEfficiencyTool.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef TAUANALYSISTOOLS_COMMONEFFICIENCYTOOL_H
#define TAUANALYSISTOOLS_COMMONEFFICIENCYTOOL_H
 
/*
  author: Dirk Duschinger
  mail: dirk.duschinger@cern.ch
*/
 
// Framework include(s):
#include "AsgTools/AsgTool.h"
#include "AsgTools/PropertyWrapper.h"
 
// EDM include(s):
#include "xAODTau/TauJet.h"
#include "xAODTruth/TruthParticle.h"
#include "PATInterfaces/CorrectionCode.h"
 
// Local include(s):
#include "TauAnalysisTools/Enums.h"
#include "TauAnalysisTools/ITauEfficiencyCorrectionsTool.h"
#include "TauAnalysisTools/HelperFunctions.h"
 
#include <ColumnarEventInfo/EventInfoDef.h>
#include <ColumnarCore/ColumnAccessor.h>
#include <ColumnarCore/LinkColumn.h>
#include <ColumnarCore/ObjectColumn.h>
#include <ColumnarCore/VectorColumn.h>
#include <ColumnarTau/TauJetDef.h>
#include "TauAnalysisTools/ColumnarTauAccessors.h"
 
class TFile;
class TKey;
 
namespace ADD_CMODE(TauAnalysisTools)
{
 
// forward declaration
class TauEfficiencyCorrectionsTool;
 
class CommonEfficiencyTool
  : public virtual ITauEfficiencyCorrectionsTool
  , public asg::AsgTool
  , public columnar::ColumnarTool<> 
{
  ASG_TOOL_CLASS( CommonEfficiencyTool, TauAnalysisTools::ITauEfficiencyCorrectionsTool )
 
public:
 
  CommonEfficiencyTool(const std::string& sName);
 
  ~CommonEfficiencyTool();
 
  virtual StatusCode initialize() override;
 
  // CommonEfficiencyTool pure virtual public functionality
  //__________________________________________________________________________
 
  virtual CP::CorrectionCode getEfficiencyScaleFactor(const xAOD::TauJet& tau, double& dEfficiencyScaleFactor, 
    unsigned int iRunNumber = 0 ) override;
 
  CP::CorrectionCode getEfficiencyScaleFactor( columnar::TauJetId tau, double& dEfficiencyScaleFactor,
    unsigned int iRunNumber) const;
 
  virtual CP::CorrectionCode applyEfficiencyScaleFactor(const xAOD::TauJet& xTau, 
    unsigned int iRunNumber = 0 ) override;

  virtual bool isAffectedBySystematic( const CP::SystematicVariation& systematic ) const override;

  virtual CP::SystematicSet affectingSystematics() const override;

  virtual CP::SystematicSet recommendedSystematics() const override;

  virtual StatusCode applySystematicVariation ( const CP::SystematicSet& sSystematicSet) override;
 
  virtual bool isSupportedRunNumber( int /*iRunNumber*/ ) const override
  {
    return true;
  };
 
protected:
 
  std::string ConvertProngToString(const int iProngness) const;
  std::string ConvertDecayModeToString(const int iDecayMode) const;
 
  typedef std::tuple<TObject*,
          CP::CorrectionCode (*)(const TObject* oObject,
                                 double& dEfficiencyScaleFactor,
                                 double dVars[] ) > tTupleObjectFunc;
  typedef std::map<std::string, tTupleObjectFunc > tSFMAP;
  // In gcc10 builds, cling gets confused by the type of m_mSF and produces
  // an ugly warning message.  Hide this from cling to suppress that
  // (substitute another unique_ptr so that the class layout remains the same).
#ifdef __CLING__
  std::unique_ptr<int> m_dummy;
#else
  std::unique_ptr< tSFMAP > m_mSF;
#endif
 
  std::unordered_map < CP::SystematicSet, std::string > m_mSystematicSets;
  const CP::SystematicSet* m_sSystematicSet;
  std::map<std::string, int> m_mSystematics;
  std::map<std::string, std::string> m_mSystematicsHistNames;
 
  std::function<double(const xAOD::TauJet& xTau)> m_fX;
  std::function<double(const xAOD::TauJet& xTau)> m_fY;
 
  void ReadInputs(const TFile& fFile);
  void addHistogramToSFMap(TKey* kKey, const std::string& sKeyName);
 
  virtual CP::CorrectionCode getValue(const std::string& sHistName,
                                      columnar::TauJetId tau,
                                      double& dEfficiencyScaleFactor) const;
 
  static CP::CorrectionCode getValueTH1(const TObject* oObject,
                                        double& dEfficiencyScaleFactor,
                                        double dVars[]
                                        );
  static CP::CorrectionCode getValueTH2(const TObject* oObject,
                                        double& dEfficiencyScaleFactor,
                                        double dVars[]
                                        );
  static CP::CorrectionCode getValueTF1(const TObject* oObject,
                                        double& dEfficiencyScaleFactor,
                                        double dVars[]
                                       );
 
  void generateSystematicSets();
 
protected:
 
  CP::SystematicSet m_sAffectingSystematics;
  CP::SystematicSet m_sRecommendedSystematics;
 
  Gaudi::Property<std::string> m_sInputFilePath{this, "InputFilePath", ""};
  Gaudi::Property<std::string> m_sVarName{this, "VarName", ""};
  Gaudi::Property<std::string> m_sWP{this, "WP", ""};
  Gaudi::Property<bool> m_bSkipTruthMatchCheck{this, "SkipTruthMatchCheck", false};
  Gaudi::Property<int> m_iJetIDLevel{this, "JetIDLevel", static_cast<int>(TauAnalysisTools::JETIDNONE)};
  Gaudi::Property<int> m_iEleIDLevel{this, "EleIDLevel", static_cast<int>(TauAnalysisTools::ELEIDNONE)};
  Gaudi::Property<bool> m_bUseTauSubstructure{this, "UseTauSubstructure", false};
  Gaudi::Property<bool> m_doTauTrig{this, "DoTauTrig", false};
  Gaudi::Property<bool> m_applyToData{this, "ApplyToData", false}; // for experts only
 
  std::string m_sInputFileName;
  std::string m_sSFHistName;
  bool m_bNoMultiprong;
 
  TauAnalysisTools::TruthMatchedParticleType m_eCheckTruth;
 
  bool m_bSFIsAvailable;
  bool m_bSFIsAvailableChecked;
 
 
public:
 
  struct Accessors : public columnar::ColumnarTool<>
  {
    Accessors(CommonEfficiencyTool& tool) : columnar::ColumnarTool<>(&tool) {}
 
    columnar::EventInfoAccessor<columnar::ObjectColumn> m_eventInfo {*this, "EventInfo", {.addMTDependency=true}};
    columnar::EventInfoAccessor<uint32_t> randomrunnumber;
 
    // Associated truth particles and jets. These are picked up by truth
    // links on the tau itself.
    columnar::TruthParticleAccessor<columnar::ObjectColumn> m_truthParticles {*this, "TruthTaus"};
    columnar::JetAccessor<columnar::ObjectColumn> m_jets {*this, "AntiKt4TruthDressedWZJets"};
 
    columnar::TauJetAccessor<columnar::ObjectColumn> m_taus {*this, "TauJets"};
    //columnar::TauJetAccessor<int> m_nTracks{*this, "nChargedTracks", {.isOptional=true}}; to be used when 'nChargedTracks' will be in physlite
    //columnar::TauJetAccessor<float> m_eta{*this,"eta"};
    //columnar::TauJetAccessor<float> m_pt{*this,"pt"};
    columnar::TauJetAccessor<int> m_decayMode{*this,"PanTau_DecayMode"};
    TauAnalysisTools::TruthParticleTypeAccessor<> m_truthParticleType{*this};
    columnar::TauJetDecorator<float> m_sfDec{*this,"sfOut"};
    columnar::TauJetDecorator<char> m_validDec{*this,"validOut"};
  };
  std::unique_ptr<Accessors> m_accessors;
 
  void callSingleEvent (columnar::TauJetRange taus, columnar::EventInfoId event) const;
  void callEvents (columnar::EventContextRange events) const override;
 
 
};
} // namespace ADD_CMODE(TauAnalysisTools)
 
#endif // TAUANALYSISTOOLS_COMMONEFFICIENCYTOOL_H