MdtSensitiveDetector.h

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#ifndef MUONG4R4_MDTSENSITIVEDETECTOR_H
#define MUONG4R4_MDTSENSITIVEDETECTOR_H
/*
  Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
*/
 
#include <GeoPrimitives/GeoPrimitives.h>
 
#include <StoreGate/WriteHandle.h>
#include <MuonReadoutGeometryR4/MuonDetectorManager.h>
#include <xAODMuonSimHit/MuonSimHitContainer.h>
#include <AthenaBaseComps/AthMessaging.h>
 
#include <G4VSensitiveDetector.hh>
 
 
 
class G4TouchableHistory;
 
 
namespace MuonG4R4 {
 
 
class MdtSensitiveDetector : public G4VSensitiveDetector, public AthMessaging {
 
public:
    MdtSensitiveDetector(const std::string& name, 
                         const std::string& output_key,
                         const std::string& trf_storKey,
                         const MuonGMR4::MuonDetectorManager* detMgr);
 
    ~MdtSensitiveDetector() = default;
    
    void   Initialize(G4HCofThisEvent* HCE) override final;
    G4bool ProcessHits(G4Step* aStep, G4TouchableHistory* ROhist) override final;
    
private:
   const MuonGMR4::MdtReadoutElement* getReadoutElement(const G4TouchableHistory* touchHist) const;
   Identifier getIdentifier(const ActsGeometryContext& gctx,
                            const MuonGMR4::MdtReadoutElement* reElement,
                            const G4TouchableHistory* touchHist) const;
    /* 
     * For the moment use write handles because the sensitive detectors are 
     *  managed by a service which must not have a data dependency
    */
    SG::WriteHandle<xAOD::MuonSimHitContainer> m_writeHandle;
    SG::ReadHandleKey<ActsTrk::DetectorAlignStore> m_trfCacheKey;
    const MuonGMR4::MuonDetectorManager* m_detMgr{nullptr};
 
};
 
}
#endif