UserAction.h

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#ifndef G4BASE_UserAction_H
#define G4BASE_UserAction_H

// The following objects are the arguments to the methods
// invoked in the user action classes.  In other words, they
// contain the variables that we are normally able to record
// in Geant.

class G4Run;
class G4Event;
class G4Track;
class G4Step;
#include "Geant4/G4ClassificationOfNewTrack.hh"

#include <string>
#include "fhiclcpp/ParameterSet.h"

namespace g4b {

  class UserAction {
   
  public:

    UserAction() {};
    UserAction(fhicl::ParameterSet const& pset) { Config(pset); }
    virtual ~UserAction() {};

    virtual void Config(fhicl::ParameterSet const& /* pset */ ) {};

    virtual void PrintConfig(std::string const& /* opt */ ) {};


    virtual void BeginOfRunAction  (const G4Run*  ) {};
    virtual void EndOfRunAction    (const G4Run*  ) {};

    virtual void BeginOfEventAction(const G4Event*) {};
    virtual void EndOfEventAction  (const G4Event*) {};

    virtual void PreTrackingAction (const G4Track*) {};
    virtual void PostTrackingAction(const G4Track*) {};

    virtual void SteppingAction    (const G4Step* ) {};

    virtual bool ProvidesStacking() { return false; } 
    virtual G4ClassificationOfNewTrack 
      StackClassifyNewTrack(const G4Track*) { return fUrgent; }
    virtual void StackNewStage() {};
    virtual void StackPrepareNewEvent() {};

    // allow self-identification
    std::string const & GetName() const { return myName; }
    void                SetName(std::string const& name) { myName = name; }
  private:
    std::string myName;  
  };

} // namespace g4b

#endif // G4BASE_UserAction_H