METTauAssociator.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
// METTauAssociator.h 
// Header file for class METTauAssociator
//
//  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
//
// Author: P Loch, S Resconi, TJ Khoo, AS Mete
#ifndef METRECONSTRUCTION_METTAUASSOCIATOR_H
#define METRECONSTRUCTION_METTAUASSOCIATOR_H 1
 
// METReconstruction includes
#include "METReconstruction/METAssociator.h"
#include "StoreGate/ReadDecorHandle.h"
 
 
namespace met{
  class METTauAssociator final
    : public METAssociator
  { 
    // This macro defines the constructor with the interface declaration
    ASG_TOOL_CLASS(METTauAssociator, IMETAssocToolBase)
 
 
    
    // Public methods: 
    public: 
 
    // Constructor with name
    METTauAssociator(const std::string& name);
    ~METTauAssociator() = default;
 
    // AsgTool Hooks
    virtual StatusCode initialize() override;

    // Private data: 
    protected: 
 
    StatusCode executeTool(xAOD::MissingETContainer* metCont, xAOD::MissingETAssociationMap* metMap) const final;
    StatusCode extractTopoClusters(const xAOD::IParticle* obj,
                                   std::vector<const xAOD::IParticle*>& tclist,
                                   const met::METAssociator::ConstitHolder& constits) const final;
 
    StatusCode extractPFO(const xAOD::IParticle* obj,
                          std::vector<const xAOD::IParticle*>& pfolist,
                          const met::METAssociator::ConstitHolder& constits,
                          std::map<const xAOD::IParticle*,MissingETBase::Types::constvec_t> &momenta) const final;
 
    StatusCode extractFE(const xAOD::IParticle* obj,
                         std::vector<const xAOD::IParticle*>& felist,
                         const met::METAssociator::ConstitHolder& constits,
                         std::map<const xAOD::IParticle*,MissingETBase::Types::constvec_t> &momenta) const final;   
 
   StatusCode extractFEsFromLinks(const xAOD::TauJet* tau,
                        std::vector<const xAOD::IParticle*>& felist,
                    const met::METAssociator::ConstitHolder& constits) const;
 
    StatusCode extractFEs(const xAOD::TauJet* tau, 
                 std::vector<const xAOD::IParticle*>& felist,
                 const met::METAssociator::ConstitHolder& constits) const;
 
    StatusCode extractTracks(const xAOD::IParticle* obj,
                             std::vector<const xAOD::IParticle*>& constlist,
                             const met::METAssociator::ConstitHolder& constits) const final;
 
    private:
 
    METTauAssociator();
 
    SG::ReadHandleKey<xAOD::TauJetContainer> m_tauContKey{this, "InputCollection", "TauJets", "taus input key"};
    SG::ReadDecorHandleKey<xAOD::TauJetContainer> m_neutralFEReadDecorKey{this,"NeutralFEReadDecorKey","", "Neutral FlowElement links key"};
    SG::ReadDecorHandleKey<xAOD::TauJetContainer> m_chargedFEReadDecorKey{this,"ChargedFEReadDecorKey","", "Charged FlowElement links key"};
  }; 
 
}
 
#endif //> !METRECONSTRUCTION_METTAUASSOCIATOR_H