// This code implementation is the intellectual property of
// the RD44 GEANT4 collaboration.
//
// By copying, distributing or modifying the Program (or any work
// based on the Program) you indicate your acceptance of this statement,
// and all its terms.
//
// $Id: G4ParticleChangeForDecay.hh,v 1.3 1999/04/13 09:43:23 kurasige Exp $
// GEANT4 tag $Name: geant4-00-01 $
//
// 
// ------------------------------------------------------------
//	GEANT 4 class header file 
//
//	For information related to this code contact:
//	CERN, CN Division, ASD group
// 
// ------------------------------------------------------------
//   Implemented for the new scheme                 23 Mar. 1998  H.Kurahige
//
//  This class is a concrete class for ParticleChange which
//  has functionality for G4Decay.
//
//  This class contains the results after invocation of the decay process.
//  This includes secondary particles generated by the interaction.
// ------------------------------------------------------------
#ifndef G4ParticleChangeForDecay_h
#define G4ParticleChangeForDecay_h 1

#include "globals.hh"
#include "G4ios.hh"
#include "G4ThreeVector.hh"
class G4DynamicParticle;
#include "G4VParticleChange.hh"

class G4ParticleChangeForDecay: public G4VParticleChange
{
   public:
    // default constructor
    G4ParticleChangeForDecay();

    // destructor
    virtual ~G4ParticleChangeForDecay();

  protected:
    // hide copy constructor and assignment operaor as protected
    G4ParticleChangeForDecay(const G4ParticleChangeForDecay &right);
    G4ParticleChangeForDecay & operator=(const G4ParticleChangeForDecay &right);

  public:
    // equal/unequal operator
    G4bool operator==(const G4ParticleChangeForDecay &right) const;
    G4bool operator!=(const G4ParticleChangeForDecay &right) const;

  public:
    // ----------------------------------------------------
    // --- the following methods are for updating G4Step -----   
    // Return the pointer to the G4Step after updating the Step information
    // by using final state information of the track given by a physics
    // process    
 
    // !!! No effect for  AlongSteyp
    // virtual G4Step* UpdateStepForAlongStep(G4Step* Step);

    virtual G4Step* UpdateStepForAtRest(G4Step* Step);
    virtual G4Step* UpdateStepForPostStep(G4Step* Step);
 
    virtual void Initialize(const G4Track&);
    // Initialize all propoerties by using G4Track information

    G4double GetTimeChange() const;
    void     SetTimeChange(G4double t);
    //  Get/Set theTimeChange vector.

  public:
    virtual void DumpInfo() const;

  protected:
    G4double theTimeChange;
    //  The change of global time of a given particle.
 
 public:
    // for Debug 
    virtual G4bool CheckIt(const G4Track&);
};

inline 
  G4double G4ParticleChangeForDecay::GetTimeChange() const
{
  return  theTimeChange;
}

inline 
  void G4ParticleChangeForDecay::SetTimeChange(G4double t)
{
  theTimeChange = t;
}


#endif