G4VEmFluctuationModel.hh

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// $Id$
//
// -------------------------------------------------------------------
//
// GEANT4 Class header file
//
//
// File name:     G4VEmFluctuationModel
//
// Author:        Vladimir Ivanchenko
//
// Creation date: 03.01.2002
//
// Modifications:
//
// 28-12-02 add method Dispersion (V.Ivanchenko)
// 07-02-03 change signature (V.Ivanchenko)
// 13-02-03 Add name (V.Ivanchenko)
// 16-10-03 Changed interface to Initialisation (V.Ivanchenko)
// 08-04-05 Major optimisation of internal interfaces (V.Ivantchenko)
// 25-07-05 Move constructor and destructor to the body (V.Ivanchenko)
//
//
// Class Description: 
//
// Abstract class for interface to simualtion of energy loss fluctuations
 
// -------------------------------------------------------------------
//
 
#ifndef G4VEmFluctuationModel_h
#define G4VEmFluctuationModel_h 1
 
 
#include "globals.hh"
 
class G4ParticleDefinition;
class G4DynamicParticle;
class G4Material;
 
class G4VEmFluctuationModel 
{
 
public:
 
  G4VEmFluctuationModel(const G4String& nam);
 
  virtual ~G4VEmFluctuationModel();
 
  //------------------------------------------------------------------------
  // Virtual methods to be implemented for the concrete model
  //------------------------------------------------------------------------
 
  virtual G4double SampleFluctuations(const G4Material*,
                      const G4DynamicParticle*,
                      G4double& tmax,
                      G4double& length,
                      G4double& meanLoss) = 0;
 
  virtual G4double Dispersion(const G4Material*,
                              const G4DynamicParticle*,
                  G4double& tmax,
                  G4double& length) = 0;
 
  //------------------------------------------------------------------------
  // Methods with standard implementation; may be overwritten if needed 
  //------------------------------------------------------------------------
 
  virtual void InitialiseMe(const G4ParticleDefinition*);
 
  virtual void SetParticleAndCharge(const G4ParticleDefinition*, G4double q2);
 
  //------------------------------------------------------------------------
  // Generic methods common to all models
  //------------------------------------------------------------------------
 
  inline G4String GetName() const;
 
private:
 
  // hide assignment operator
  G4VEmFluctuationModel & operator=(const  G4VEmFluctuationModel &right);
  G4VEmFluctuationModel(const  G4VEmFluctuationModel&);
 
  const G4String   name;
};
 
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
 
inline G4String G4VEmFluctuationModel::GetName() const 
{
  return name;
}
 
#endif