BTaggingSelectionJsonTool.h

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/*
  Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef CPBTAGGINGSELECTIONJSONTOOL_H
#define CPBTAGGINGSELECTIONJSONTOOL_H
 
#include "FTagAnalysisInterfaces/IBTaggingSelectionJsonTool.h"
#include "AsgTools/AsgTool.h"
#include <nlohmann/json.hpp>
using json = nlohmann::json;
 
class BTaggingSelectionJsonTool: public asg::AsgTool,
                 public virtual IBTaggingSelectionJsonTool {
 
  public:
  BTaggingSelectionJsonTool( const std::string& name );
  StatusCode initialize() override;
 
  virtual int accept(const xAOD::Jet& jet) const override;
  virtual double getTaggerDiscriminant( const xAOD::Jet& jet) const override;
 
private:
  bool m_initialised = false;
 
  double m_maxEta;
  double m_minPt;
 
  std::string m_taggerName;
  std::string m_OP;
  std::string m_jetAuthor;
  std::string m_json_config_path;
  std::string m_target;
 
  json m_json_config;
 
  struct FractionAccessor {
    float fraction;
    SG::AuxElement::ConstAccessor<float> accessor;
    bool isTarget;
 
    FractionAccessor(float fraction, const SG::AuxElement::ConstAccessor<float>& accessor, bool isTarget)
      : fraction(fraction), accessor(accessor), isTarget(isTarget) {}
  };
  std::vector<FractionAccessor> m_fractionAccessors;
  std::vector<std::pair<std::string, float>> m_OPCutValues;
 
};
 
#endif // CPBTAGGINGSELECTIONJSONTOOL_H