MuonFastSABuilderAlg.h

Go to the documentation of this file.

/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef MUONR4_MUONFASTRECOALGS_MUONFASTSABUILDERALG__H
#define MUONR4_MUONFASTRECOALGS_MUONFASTSABUILDERALG__H
 
#include "AthenaBaseComps/AthReentrantAlgorithm.h"
#include "StoreGate/WriteHandleKey.h"
 
#include "MuonRecToolInterfacesR4/ITrackSeedingTool.h"
#include "MuonFastRecoEvent/GlobalPattern.h"
 
#include "xAODMuon/MuonSegmentContainer.h"
#include "xAODMuon/MuonContainer.h"
#include "xAODMuon/MuonAuxContainerR4.h"
#include "xAODMuonViews/FillContainer.h"
#include "xAODMuonViews/ContainerDecorator.h"
 
namespace MuonR4 {
 
    class MuonFastSABuilderAlg: public AthReentrantAlgorithm{
        public:
 
            using AthReentrantAlgorithm::AthReentrantAlgorithm;
            virtual ~MuonFastSABuilderAlg() = default;
 
            virtual StatusCode initialize() override;
            virtual StatusCode execute(const EventContext& ctx) const override;
 
        private:
            using MuonCont_t = xAOD::FillContainer<xAOD::MuonContainer, xAOD::MuonAuxContainerR4>;
            struct MuonDataShip {
                MuonCont_t muonContainer;
                xAOD::ContainerDecorator<xAOD::MuonContainer, float> dec_qOverPCov{};
            };

            xAOD::Muon* buildMuonCandidate(const EventContext& ctx,
                                           const GlobalPattern& pattern,
                                           std::span<const xAOD::MuonSegment* const> segments,
                                           MuonDataShip& outMuonData) const;
 
            SG::WriteHandleKey<xAOD::MuonContainer> m_outMuons{this, "OutMuons", "FastRecoSAMuons", "Output muon container"};
            SG::WriteDecorHandleKey<xAOD::MuonContainer> m_qOverPCovKey{this, "QOverPCovKey", m_outMuons, "QOverPCov", "Q/P covariance for the muons"}; 
            SG::ReadHandleKey<xAOD::MuonSegmentContainer> m_inSegments{this, "InSegments", "FastMuonSegments"};

            ToolHandle<ITrackSeedingTool> m_seedingTool{this, "SeedingTool", ""};
    };
}
 
#endif