Geant4SteppingAction.h

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//==========================================================================
//  AIDA Detector description implementation for LCD
//--------------------------------------------------------------------------
// Copyright (C) Organisation europeenne pour la Recherche nucleaire (CERN)
// All rights reserved.
//
// For the licensing terms see $DD4hepINSTALL/LICENSE.
// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
//
// Author     : M.Frank
//
//==========================================================================
#ifndef DD4HEP_DDG4_GEANT4STEPPINGACTION_H
#define DD4HEP_DDG4_GEANT4STEPPINGACTION_H

// Framework include files
#include "DDG4/Geant4Action.h"

// Forward declarations
class G4SteppingManager;
class G4Step;

namespace DD4hep {

  namespace Simulation {

    // Forward declarations
    class Geant4SteppingAction;
    class Geant4SharedSteppingAction;
    class Geant4SteppingActionSequence;


    class Geant4SteppingAction: public Geant4Action {
    public:
      typedef Geant4SharedSteppingAction shared_type;
    public:
      Geant4SteppingAction(const Geant4SteppingAction& copy) = delete;
      Geant4SteppingAction(Geant4Context* context, const std::string& name);
      virtual ~Geant4SteppingAction();
      virtual void operator()(const G4Step* step, G4SteppingManager* mgr);
    };


    class Geant4SharedSteppingAction : public Geant4SteppingAction {
    protected:
      Geant4SteppingAction* m_action;
    public:
      Geant4SharedSteppingAction(const Geant4SteppingAction& copy) = delete;
      Geant4SharedSteppingAction(Geant4Context* context, const std::string& nam);
      virtual ~Geant4SharedSteppingAction();
      virtual void configureFiber(Geant4Context* thread_context);
      virtual void use(Geant4SteppingAction* action);
      virtual void operator()(const G4Step* step, G4SteppingManager* mgr);
    };


    class Geant4SteppingActionSequence: public Geant4Action {
    protected:
      CallbackSequence m_calls;
      Actors<Geant4SteppingAction> m_actors;

    public:
      Geant4SteppingActionSequence(const Geant4SteppingAction& copy) = delete;
      Geant4SteppingActionSequence(Geant4Context* context, const std::string& name);
      virtual ~Geant4SteppingActionSequence();
      virtual void updateContext(Geant4Context* ctxt);
      virtual void configureFiber(Geant4Context* thread_context);
      Geant4SteppingAction* get(const std::string& name) const;
      template <typename Q, typename T>
      void call(Q* p, void (T::*f)(const G4Step*, G4SteppingManager*)) {
        m_calls.add(p, f);
      }
      void adopt(Geant4SteppingAction* action);
      virtual void operator()(const G4Step* step, G4SteppingManager* mgr);
    };

  }    // End namespace Simulation
}      // End namespace DD4hep

#endif // DD4HEP_DDG4_GEANT4STEPPINGACTION_H