xAODSimHitToMmMeasCnvAlg.h

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/*
   Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
*/
#ifndef XAODMUONSIMHITCNV_xAODSimHitToMmMeasurementCnvAlg_H
#define XAODMUONSIMHITCNV_xAODSimHitToMmMeasurementCnvAlg_H
 
#include <AthenaBaseComps/AthReentrantAlgorithm.h>
 
#include <StoreGate/ReadHandleKey.h>
#include <StoreGate/ReadCondHandleKey.h>
#include <StoreGate/WriteHandleKey.h>
 
#include <xAODMuonSimHit/MuonSimHitContainer.h>
#include <xAODMuonPrepData/MMClusterContainer.h>
 
#include <MuonIdHelpers/IMuonIdHelperSvc.h>
#include <MuonReadoutGeometryR4/MuonDetectorManager.h>
 
#include <AthenaKernel/IAthRNGSvc.h>
#include <CLHEP/Random/RandomEngine.h>
 
#include "MuonCondData/NswErrorCalibData.h"
 
class xAODSimHitToMmMeasCnvAlg : public AthReentrantAlgorithm {
    public:
        xAODSimHitToMmMeasCnvAlg(const std::string& name, ISvcLocator* pSvcLocator);
 
        ~xAODSimHitToMmMeasCnvAlg() = default;
 
        StatusCode execute(const EventContext& ctx) const override final;
        StatusCode initialize() override final; 
        StatusCode finalize() override final;
    
    private:
        CLHEP::HepRandomEngine* getRandomEngine(const EventContext& ctx) const;
  
 
        SG::ReadHandleKey<xAOD::MuonSimHitContainer> m_readKey{this, "InputCollection", "xMmSimHits",
                                                              "Name of the new xAOD SimHit collection"};
        
        SG::WriteHandleKey<xAOD::MMClusterContainer> m_writeKey{this, "OutputContainer", "xAODMMClusters", 
                                                                "Output container"};
 
        const MuonGMR4::MuonDetectorManager* m_DetMgr{nullptr};
 
        ServiceHandle<Muon::IMuonIdHelperSvc> m_idHelperSvc{this, "MuonIdHelperSvc", "Muon::MuonIdHelperSvc/MuonIdHelperSvc"};
 
        ServiceHandle<IAthRNGSvc> m_rndmSvc{this, "RndmSvc", "AthRNGSvc", ""};  // Random number service
        Gaudi::Property<std::string> m_streamName{this, "RandomStream", "MmSimHitForkLifting"};
 
        SG::ReadCondHandleKey<NswErrorCalibData> m_uncertCalibKey{this, "ErrorCalibKey", "NswUncertData",
                                                         "Key of the parametrized NSW uncertainties"};
 
        mutable std::array<std::atomic<unsigned>, 8> m_allHits ATLAS_THREAD_SAFE{};
        mutable std::array<std::atomic<unsigned>, 8> m_acceptedHits ATLAS_THREAD_SAFE{};
 
};
 
#endif