G4VRestContinuousProcess.hh

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// G4VRestContinuousProcess
//
// Class description:
//
// Abstract class which defines the public behavior of
// discrete physics interactions.
 
// Authors:
// - 2 December 1995, G.Cosmo - First implementation, based on object model
// - 8 January 1997, H.Kurashige - New Physics scheme
// --------------------------------------------------------------------
#ifndef G4VRestContinuousProcess_hh
#define G4VRestContinuousProcess_hh 1
 
#include "globals.hh"
#include "G4ios.hh"
 
#include "G4VProcess.hh"
 
class G4VRestContinuousProcess : public G4VProcess 
{
  public:     
 
    G4VRestContinuousProcess(const G4String& ,
                             G4ProcessType aType = fNotDefined);
    G4VRestContinuousProcess(G4VRestContinuousProcess &);
 
    virtual ~G4VRestContinuousProcess();
 
    G4VRestContinuousProcess& operator=(const G4VRestContinuousProcess&) = delete;
 
    virtual G4double AtRestGetPhysicalInteractionLength(
                             const G4Track& ,
                             G4ForceCondition* 
                            );
 
    virtual G4VParticleChange* AtRestDoIt(
                             const G4Track& ,
                             const G4Step&
                            );
 
    virtual G4double AlongStepGetPhysicalInteractionLength(
                             const G4Track& track,
                             G4double previousStepSize,
                             G4double currentMinimumStep,
                             G4double& currentSafety,
                             G4GPILSelection* selection
                            );
 
    virtual G4VParticleChange* AlongStepDoIt(
                             const G4Track& ,
                             const G4Step& 
                            );
 
    virtual G4double PostStepGetPhysicalInteractionLength(
                             const G4Track& ,
                             G4double ,
                             G4ForceCondition*
                            ) { return -1.0; }
      // No operation in  PostStepDoIt
 
    virtual G4VParticleChange* PostStepDoIt(
                             const G4Track& ,
                             const G4Step& 
                            ) { return 0; }
      // No operation in PostStepDoIt
 
  protected:
 
    virtual G4double GetContinuousStepLimit(const G4Track& aTrack,
                                            G4double  previousStepSize,
                                            G4double currentMinimumStep,
                                            G4double& currentSafety) = 0;
      // This pure virtual function is used to calculate step limit
      // for AlongStep in the derived processes  
 
    virtual G4double GetMeanLifeTime(const G4Track& aTrack,
                                     G4ForceCondition* condition) = 0;
      // Calculates the mean life-time (i.e. for decays) of the
      // particle at rest due to the occurrence of the given process, or
      // converts the probability of interaction (i.e. for annihilation) into
      // the life-time of the particle for the occurrence of the given process
 
    inline void SetGPILSelection(G4GPILSelection selection)
      { valueGPILSelection = selection; }
 
    inline G4GPILSelection GetGPILSelection() const
      { return valueGPILSelection; }
 
 
  private:
 
    G4VRestContinuousProcess();
      // Hidden default constructor
 
    G4GPILSelection valueGPILSelection = CandidateForSelection;
      // This is the returned value of  G4GPILSelection in 
      // the arguments of AlongStepGPIL()
};
 
#endif