G4VRestContinuousProcess.hh

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// $Id: G4VRestContinuousProcess.hh 71231 2013-06-12 13:06:28Z gcosmo $
//
// 
// ------------------------------------------------------------
//  GEANT 4 class header file 
//
// 
// Class Description 
//  Abstract class which defines the public behavior of
//  discrete physics interactions.
//
// ------------------------------------------------------------
//   New Physics scheme            8  Mar. 1997  H.Kurahige
// ------------------------------------------------------------
//   modified                     26  Mar. 1997  H.Kurahige
//   modified                     16  Apr. 1997  L.Urban    
//   modified                     18  Sep. 1997  H.Kurashige    
//   modified AlongStepGPIL etc.  17 Dec. 1997 H.Kurashige
//   fix bugs in GetGPILSelection() 24 Jan. 1998 H.Kurashige
//   modified for new ParticleChange 12 Mar. 1998  H.Kurashige

#ifndef G4VRestContinuousProcess_h
#define G4VRestContinuousProcess_h 1

#include "globals.hh"
#include "G4ios.hh"

#include "G4VProcess.hh"

class G4VRestContinuousProcess : public G4VProcess 
{
  //  Abstract class which defines the public behavior of
  //  discrete physics interactions.
  public:     

      G4VRestContinuousProcess(const G4String& ,
             G4ProcessType   aType = fNotDefined );
      G4VRestContinuousProcess(G4VRestContinuousProcess &);

      virtual ~G4VRestContinuousProcess();

  public:   //  with description

      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& 
          );
 
     //  no operation in  PostStepDoIt
      virtual G4double PostStepGetPhysicalInteractionLength(
                             const G4Track& ,
           G4double ,
           G4ForceCondition*
          ){ return -1.0; };

     //  no operation in PostStepDoIt
      virtual G4VParticleChange* PostStepDoIt(
           const G4Track& ,
           const G4Step& 
          ) {return 0;};

  protected: //  with description
    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  

  private:
    // this is the returnd value of  G4GPILSelection in 
    // the arguments of AlongStepGPIL()
    G4GPILSelection  valueGPILSelection;

  protected://  with description
    // these two methods are set/get methods for valueGPILSelection
    void SetGPILSelection(G4GPILSelection selection)
    { valueGPILSelection = selection;};

    G4GPILSelection GetGPILSelection() const{return valueGPILSelection;};

  protected: //  with description

      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 occurence of the given process,
      //  or converts the probability of interaction (i.e. for
      //  annihilation) into the life-time of the particle for the
      //  occurence of the given process.

  private:
  // hide default constructor and assignment operator as private 
      G4VRestContinuousProcess();
      G4VRestContinuousProcess & operator=(const G4VRestContinuousProcess &right);

};

#endif