OfflineJetDecoratorAlg.h

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef INDETTRACKPERFMON_OFFLINEJETDECORATORALG_H
#define INDETTRACKPERFMON_OFFLINEJETDECORATORALG_H
 
#include "AthenaBaseComps/AthReentrantAlgorithm.h"
 
#include "xAODTracking/TrackParticleContainer.h"
#include "xAODJet/JetContainer.h"
 
#include <string>
#include <vector>
 
#include "SafeDecorator.h"
 
 
namespace IDTPM {
 
  class OfflineJetDecoratorAlg :
      public AthReentrantAlgorithm {
 
  public:
 
    typedef ElementLink<xAOD::JetContainer> ElementJetLink_t;
 
    OfflineJetDecoratorAlg( const std::string& name, ISvcLocator* pSvcLocator );
 
    virtual ~OfflineJetDecoratorAlg() = default;
 
    virtual StatusCode initialize() override;
 
    virtual StatusCode execute( const EventContext& ctx ) const override;
 
  private:
 
    bool passJetCuts( const xAOD::Jet& jet ) const;
 
    SG::ReadHandleKey<xAOD::TrackParticleContainer> m_offlineTrkParticlesName {
        this, "OfflineTrkParticleContainerName", "InDetTrackParticles", "Name of container of offline tracks" };
 
    StringProperty m_prefix{ this, "Prefix", "LinkedJet_", "Decoration prefix to avoid clashes" };
 
    StatusCode decorateJetTrack(
        const xAOD::TrackParticle& track,
        std::vector< IDTPM::OptionalDecoration< xAOD::TrackParticleContainer,
                                                ElementJetLink_t > >& jet_decor,
        const xAOD::JetContainer& jets ) const;
 
    SG::ReadHandleKey< xAOD::JetContainer > m_jetsName {
        this, "JetContainerName", "InTimeAntiKt4TruthJets", "Name of container of jets" };
 
    FloatProperty m_maxTrkJetDR{ this, "maxTrkJetDR", 0.4, "the maximum DeltaR to jets to allow for track-in-jet plots" };    
    FloatProperty m_jetAbsEtaMin{ this, "JetAbsEtaMin", -999.0, "Minimum Eta value for jet selection" };
    FloatProperty m_jetAbsEtaMax{ this, "JetAbsEtaMax", 4.0, "Maximum Eta value for jet selection" };
    FloatProperty m_jetPtMin{ this, "JetPtMin", 1000.0, "Minimum Jet pT for jet selection" };
    FloatProperty m_jetPtMax{ this, "JetPtMax", 5000000.0, "Maximum Jet pT for jet selection" };
 
    enum JetDecorations : size_t {
      DRtruthJet,
      DRtruthLightJet,
      DRtruthCjet,
      DRtruthBjet,
      DRtruthHeavyJet,
      DRGhostTruth,
      DRGhostTruthLightJet,
      DRGhostTruthBjet,
      NDecorations
    };
 
    const std::vector< std::string > m_decor_jet_names {
      "DRtruthJet",
      "DRtruthLightJet",
      "DRtruthCjet",
      "DRtruthBjet",
      "DRtruthHeavyJet",
      "DRGhostTruthJet",
      "DRGhostTruthLightJet",
      "DRGhostTruthBjet"
    };
  
    std::vector< IDTPM::WriteKeyAccessorPair< xAOD::TrackParticleContainer,
                                              ElementJetLink_t > > m_decor_jet{};
 
};
 
} // namespace IDTPM
 
#endif // > !INDETTRACKPERFMON_OFFLINEJETDECORATORALG_H