MMEventAction.hpp

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// This file is part of the Acts project.
//
// Copyright (C) 2017-2018 CERN for the benefit of the Acts project
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.

// MMEventAction.hpp

#pragma once

#include <memory>

#include "ACTFW/EventData/SimHit.hpp"
#include "Acts/Propagator/MaterialInteractor.hpp"
#include "G4UserEventAction.hh"
#include "globals.hh"

namespace FW {

namespace Geant4 {

class MMSteppingAction;

class MMEventAction : public G4UserEventAction {
 public:
  MMEventAction();

  ~MMEventAction() override;

  static MMEventAction* Instance();

  void BeginOfEventAction(const G4Event* event) final override;

  void EndOfEventAction(const G4Event* event) final override;

  void Reset();

  // Access the material track records
  std::vector<Acts::RecordedMaterialTrack> const MaterialTracks();

  //  Access the step sim hit info
  FW::SimHitContainer const TrackSteps();

 private:
  static MMEventAction* fgInstance;

  std::vector<Acts::RecordedMaterialTrack> m_records;
  FW::SimHitContainer m_tracksteps;
};

inline std::vector<Acts::RecordedMaterialTrack> const
MMEventAction::MaterialTracks() {
  auto rrecords = m_records;
  m_records.clear();
  return rrecords;
}

inline FW::SimHitContainer const MMEventAction::TrackSteps() {
  return m_tracksteps;
}

}  // namespace Geant4
}  // namespace FW