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//
//
// WARNING : This class is released as a prototype.
// It might strongly evolve or even disapear in the next releases.
//
// Author: Mathieu Karamitros (kara@cenbg.in2p3.fr)
//
// History:
// -----------
// 10 Oct 2011 M.Karamitros created
//
// -------------------------------------------------------------------

#ifndef G4VUSERITACTION_H
#define G4VUSERITACTION_H

#include "globals.hh"
#include "G4Track.hh"
#include "G4TrackFastVector.hh"

/**
  * G4UserReactionAction is used by G4ITStepManager.
  * - StartProcessing called before processing
  * - TimeStepAction called at every global step
  * - UserReactionAction called when a reaction occurs
  * - EndProcessing called after processing
  */

class G4UserReactionAction
{
public:
   G4UserReactionAction();
   G4UserReactionAction(const G4UserReactionAction& );
   virtual ~G4UserReactionAction();

   virtual void StartProcessing(){;}

   /** In this method, the user can use :
    * G4ITStepManager::Instance()->GetGlobalTime(), to know the current simulation time
    * G4ITStepManager::Instance()->GetMinTime(), to know the selected minimum time
    * WARNING : The call of this method happens before the call of DoIT methods
    */
   virtual void TimeStepAction(){;}

   /**
    * This method enables to kill products right after they are generated
    */
   virtual void UserReactionAction(const G4Track& /*trackA*/,const G4Track& /*trackB*/,
                                   const G4TrackFastVector& /*products*/,
                                   int /*nbProducts*/){;}
   virtual void EndProcessing(){;}

private:
    G4UserReactionAction& operator=(const G4UserReactionAction& );
};

#endif // G4VUSERITACTION_H