Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/tracking/include/G4VTrackingManager.hh

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  1 //
  2 // ********************************************************************
  3 // * License and Disclaimer                                           *
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  6 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
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 24 // ********************************************************************
 25 //
 26 // G4VTrackingManager
 27 //
 28 // Class description:
 29 //
 30 // Interface class for implementing a custom tracking manager that is
 31 // specialized for stepping one or a small number of particle types.
 32 //
 33 // Original author: Jonas Hahnfeld, 2021
 34 
 35 #ifndef G4VTrackingManager_hh
 36 #define G4VTrackingManager_hh 1
 37 
 38 class G4ParticleDefinition;
 39 class G4Track;
 40 
 41 ////////////////////////
 42 class G4VTrackingManager
 43 ////////////////////////
 44 {
 45  public:
 46   virtual ~G4VTrackingManager() = default;
 47 
 48   // Messaged by the Particle definition whenever cross-section tables have
 49   // to be rebuilt (i.e. if new materials have been defined).
 50   virtual void BuildPhysicsTable(const G4ParticleDefinition&) {}
 51 
 52   // Messaged by the Particle definition whenever cross-section tables have
 53   // to be prepared for rebuild (i.e. if new materials have been defined).
 54   virtual void PreparePhysicsTable(const G4ParticleDefinition&) {}
 55 
 56   // Invoking this function, a G4Track given by the argument will be
 57   // handed over to this tracking manager. It may be tracked immediately
 58   // or processing may be deferred to a later time, at the latest when
 59   // calling FlushEvent().
 60   virtual void HandOverOneTrack(G4Track* aTrack) = 0;
 61 
 62   // Signal that all tracks in the current event have been finished and
 63   // this manager should process all tracks that may have been deferred.
 64   // When called via this method, the tracking manager may stack new
 65   // secondaries which will be tracked afterwards.
 66   virtual void FlushEvent() {}
 67 };
 68 
 69 #endif
 70