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// $Id: Tst01ParticleGun.hh,v 1.4 2006/06/29 19:31:48 gunter Exp $
// GEANT4 tag $Name: geant4-09-04-ref-00 $
//

#ifndef Tst01ParticleGun_h
#define Tst01ParticleGun_h 1


#include "globals.hh"
#include "G4ParticleGun.hh"
#include "G4PrimaryParticle.hh"
#include <vector>

class G4Event;
class G4DecayProducts;

class Tst01ParticleGunMessenger;

class Tst01ParticleGun : public G4ParticleGun
{
  public:
    Tst01ParticleGun();
    Tst01ParticleGun(G4int numberofparticles);
    Tst01ParticleGun(G4ParticleDefinition * particleDef, 
                   G4int numberofparticles = 1);

  public:
    virtual ~Tst01ParticleGun();
    Tst01ParticleGun(const Tst01ParticleGun &right);

    const Tst01ParticleGun & operator=(const Tst01ParticleGun &right);

  public:
    void GeneratePrimaryVertex(G4Event* evt);
    void SetDecayProperTime(G4double t);
    void AddDaughter(const G4PrimaryParticle *daughter);

  public:
    G4double GetDecayProperTime() const;

  protected:  
    virtual              void SetInitialValues();
    G4double             particle_decay_time;

    std::vector<const G4PrimaryParticle*>  decay_products;  

  private:
    Tst01ParticleGunMessenger* theMessenger;
};

 
inline
 void Tst01ParticleGun::SetDecayProperTime(G4double t)
{
  particle_decay_time = t;
}

inline
 G4double  Tst01ParticleGun::GetDecayProperTime() const
{
  return particle_decay_time;
}

inline 
 void Tst01ParticleGun::AddDaughter(const G4PrimaryParticle *daughter)
{
    decay_products.push_back(daughter);
}

#endif