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// $Id: G4SamplingPostStepAction.hh,v 1.3 2008/04/21 09:10:28 ahoward Exp $
// GEANT4 tag $Name: geant4-09-03 $
//
// ----------------------------------------------------------------------
// Class G4SamplingPostStepAction
//
// Class description:
//
// Used internally by importance and weight window sampling.
// Creates cloned tracks or kills tracks.

// Author: Michael Dressel (Michael.Dressel@cern.ch)
// ----------------------------------------------------------------------
#ifndef G4SamplingPostStepAction_hh
#define G4SamplingPostStepAction_hh G4SamplingPostStepAction_hh

class G4VImportanceSplitExaminer;
class G4ParticleChange;
class G4Track;
class G4Step;
class G4Nsplit_Weight;
class G4VTrackTerminator;

class G4SamplingPostStepAction
{

public:  // with description

  explicit G4SamplingPostStepAction(const G4VTrackTerminator &TrackTerminator);
    // Constructor

  ~G4SamplingPostStepAction();
    // Destructor
  
  void DoIt(const G4Track& aTrack, 
            G4ParticleChange *aParticleChange, 
            const G4Nsplit_Weight &nw);
    // Do the PostStepDoIt part common to importance and weight window
    // sampling in the 
    // "mass" and "parallel" geometry.
  
private:

  void Split(const G4Track &aTrack,
             const G4Nsplit_Weight &nw,
             G4ParticleChange *aParticleChange);

  const G4VTrackTerminator &fTrackTerminator;

};

#endif
