TruthMeasMarkerAlg.h

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
#ifndef MUONOBJECTMARKER_TRUTHMEASMARKER_H
#define MUONOBJECTMARKER_TRUTHMEASMARKER_H
 
#include "AthenaBaseComps/AthReentrantAlgorithm.h"
 
#include "StoreGate/ReadHandleKey.h"
#include "StoreGate/ReadDecorHandleKey.h"
#include "StoreGate/WriteDecorHandleKeyArray.h"
#include "StoreGate/ReadDecorHandleKeyArray.h"
 
#include "xAODMuon/MuonSegmentContainer.h"
#include "xAODMeasurementBase/UncalibratedMeasurementContainer.h"
#include "MuonIdHelpers/IMuonIdHelperSvc.h"
 
namespace MuonR4{
    /*** @brief TruthMeasMarkerAlg loops over the truth segments and searches the xAOD::UncalibrtedMeasurements 
     *          matched to the sim hits making up the segment */
    class TruthMeasMarkerAlg: public AthReentrantAlgorithm {
       public:
         using AthReentrantAlgorithm::AthReentrantAlgorithm;
         ~TruthMeasMarkerAlg() = default;
          
          virtual StatusCode initialize() override final;
          virtual StatusCode execute(const EventContext& ctx) const override final;
        private:
            ServiceHandle<Muon::IMuonIdHelperSvc> m_idHelperSvc{this, "IdHelperSvc",  "Muon::MuonIdHelperSvc/MuonIdHelperSvc"};
            SG::ReadHandleKey<xAOD::MuonSegmentContainer> m_segKey{this, "SegmentKey", "MuonTruthSegments" };
            Gaudi::Property<std::string> m_writeMarker{this, "writeMarker", "matchedToTruthSeg"};
            Gaudi::Property<std::string> m_segLink{this, "SegmentLinkKey", "truthSegmentLinks"};
            Gaudi::Property<std::string> m_simLink{this, "SimHitLink", "simHitLink"};
            SG::ReadHandleKeyArray<xAOD::UncalibratedMeasurementContainer> m_measKeys{this, "PrdContainer",{}};
            SG::ReadDecorHandleKeyArray<xAOD::UncalibratedMeasurementContainer> m_prdLinkKeys{this, "PrdLinkKeys", {}};
            SG::WriteDecorHandleKeyArray<xAOD::UncalibratedMeasurementContainer> m_writeMarkKeys{this, "OutMarkerKeys", {}};
            SG::WriteDecorHandleKeyArray<xAOD::UncalibratedMeasurementContainer> m_writeSegLinkKeys{this, "SegLinkKeys", {}};
    };
}
 
#endif