METTruthAssociator.h

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/*
  Copyright (C) 2002-2023 CERN for the benefit of the ATLAS collaboration
*/
 
// METMuonAssociator.h 
// Header file for class METTruthAssociator
//
//  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
//
// Author: P Loch, S Resconi, TJ Khoo, AS Mete
#ifndef METRECONSTRUCTION_METTRUTHASSOCIATOR_H
#define METRECONSTRUCTION_METTRUTHASSOCIATOR_H 1
 
// METReconstruction includes
#include "METReconstruction/METAssociator.h"
 
#include "xAODTruth/TruthEventContainer.h"
 
//Includes for DataHandles
#include "StoreGate/DataHandle.h"
 
namespace met{
  class METTruthAssociator final
    : public METAssociator
  { 
    // This macro defines the constructor with the interface declaration
    ASG_TOOL_CLASS(METTruthAssociator, IMETAssocToolBase)
 
 
    
    // Public methods: 
    public: 
 
    // Constructor with name
    METTruthAssociator(const std::string& name);
    ~METTruthAssociator();
 
    // AsgTool Hooks
    StatusCode  initialize();
    StatusCode  finalize();

    // Private data: 
    protected: 
 
    StatusCode fillAssocMap(xAOD::MissingETAssociationMap* metMap,
                            const xAOD::IParticleContainer* hardObjs) const final;
    StatusCode executeTool(xAOD::MissingETContainer* metCont, xAOD::MissingETAssociationMap* metMap) const;
    //
    StatusCode associateJets(xAOD::MissingETAssociationMap* metMap) const;
    //
    StatusCode extractTruthParticles(const xAOD::IParticle* obj,
                                     std::vector<const xAOD::IParticle*>& truthlist) const;
    StatusCode extractTruthFromElectron(const xAOD::IParticle* obj,
                                        std::vector<const xAOD::IParticle*>& truthlist) const;
    StatusCode extractTruthFromPhoton(const xAOD::IParticle* obj,
                                      std::vector<const xAOD::IParticle*>& truthlist) const;
    static StatusCode extractTruthFromMuon(const xAOD::IParticle* obj,
                                    std::vector<const xAOD::IParticle*>& truthlist) ;
    StatusCode extractTruthFromTau(const xAOD::IParticle* obj,
                                     std::vector<const xAOD::IParticle*>& truthlist) const;
    //
    StatusCode computeSoftTerms(xAOD::MissingETContainer* metCont, xAOD::MissingETAssociationMap* metMap) const;
    //
    StatusCode extractPFO(const xAOD::IParticle*,
                          std::vector<const xAOD::IParticle*>&,
                          const met::METAssociator::ConstitHolder&,
                          std::map<const xAOD::IParticle*,MissingETBase::Types::constvec_t>&) const final
    {return StatusCode::FAILURE;} // should not be called
    StatusCode extractFE(const xAOD::IParticle*,
                         std::vector<const xAOD::IParticle*>&,
                         const met::METAssociator::ConstitHolder&,
                         std::map<const xAOD::IParticle*,MissingETBase::Types::constvec_t>&) const final
    {return StatusCode::FAILURE;} // should not be called
    StatusCode extractTracks(const xAOD::IParticle*,
                             std::vector<const xAOD::IParticle*>&,
                             const met::METAssociator::ConstitHolder&) const final
    {return StatusCode::FAILURE;} // should not be called
    StatusCode extractTopoClusters(const xAOD::IParticle*,
                                   std::vector<const xAOD::IParticle*>&,
                                   const met::METAssociator::ConstitHolder&) const final
    {return StatusCode::FAILURE;} // should not be called
 
    private:
 
    SG::ReadHandleKey<xAOD::ElectronContainer>      m_recoElKey{this,"RecoElKey","Electrons",""};
    SG::ReadHandleKey<xAOD::PhotonContainer>        m_recoGamKey{this,"RecoGamKey","Photons",""};
    SG::ReadHandleKey<xAOD::TauJetContainer>        m_recoTauKey{this,"RecoTauKey","TauJets",""};
    SG::ReadHandleKey<xAOD::MuonContainer>          m_recoMuKey{this,"RecoMuKey","Muons",""};
    SG::ReadHandleKey<xAOD::JetContainer>           m_recoJetKey{this,"RecoJetKey","",""};
    SG::ReadHandleKey<xAOD::TruthEventContainer>           m_truthEventKey{this,"TruthEventKey","TruthEvents",""};

    METTruthAssociator();
 
  }; 
 
}
 
#endif //> !METRECONSTRUCTION_METMUONASSOCIATOR_H