AFP_TDSensitiveDetector.h

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/*
  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef AFP_G4_SD_AFP_TDSensitiveDetector_h
#define AFP_G4_SD_AFP_TDSensitiveDetector_h
 
// Base class
#include "G4VSensitiveDetector.hh"
 
// use of the hits
#include "AFP_HitCollectionBuilders.h"
#include <gtest/gtest_prod.h>
 
// STL header
#include <string>
#include <utility>
 
class G4Step;
class G4TouchableHistory;
 
class AFP_TDSensitiveDetector : public G4VSensitiveDetector
{
 FRIEND_TEST( AFP_TDSensitiveDetectortest, ProcessHits );
 FRIEND_TEST( AFP_TDSensitiveDetectortest, AddHit );
 
public:
  // Constructor
  AFP_TDSensitiveDetector(const std::string& name, const std::string& hitCollectionName);
 
  // Destructor
  ~AFP_TDSensitiveDetector() { /* I don't own myHitColl if all has gone well */ }
 
  // Called from G4 at the start of each G4 event
  void Initialize(G4HCofThisEvent *) override final;
  G4bool ProcessHits(G4Step*, G4TouchableHistory*) override final;

  template <class... Args> void AddHit(Args&&... args)
  {
    if (m_HitColl) {
      m_HitColl->Emplace(std::forward<Args>(args)...);
    }
  }
  
  static constexpr double TDMaxQEff = 0.15;
 
private:
  AFP_TDSimHitCollectionBuilder* getHitCollection() const;
 
  int m_nHitID;
  // The hits collection
  std::string m_hitCollectionName;
  // Non-owning cache set by Initialize; HitCollectionMap owns the collection.
  AFP_TDSimHitCollectionBuilder* m_HitColl{};
};
 
#endif //AFP_G4_SD_AFP_TDSensitiveDetector_h