G4RunAlg.h

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef G4ATLASALG_G4RunAlg_H
#define G4ATLASALG_G4RunAlg_H
 
// Base class header
#include "AthenaBaseComps/AthAlgorithm.h"
 
// STL headers
#include <map>
#include <string>
 
// Gaudi headers
#include "Gaudi/Property.h"
#include "GaudiKernel/ServiceHandle.h"
#include "GaudiKernel/StatusCode.h"
#include "GaudiKernel/ToolHandle.h"
 
// Athena headers
#include "CxxUtils/checker_macros.h"
#include "StoreGate/ReadHandleKey.h"
#include "StoreGate/WriteHandleKey.h"
#include "AthenaKernel/IAthRNGSvc.h"
#include "G4AtlasInterfaces/IFastSimulationMasterTool.h"
#include "G4AtlasInterfaces/IG4RunTool.h"
#include "G4AtlasInterfaces/ISensitiveDetectorMasterTool.h"
#include "G4AtlasInterfaces/IUserActionSvc.h"
#include "GeneratorObjects/McEventCollection.h"
#include "HepMC_Interfaces/IZeroLifetimePatcher.h"
#include "xAODEventInfo/EventInfo.h"
 
// ISF includes
#include "ISF_Interfaces/ITruthSvc.h"
#include "ISF_Interfaces/IInputConverter.h"
#include "ISF_Interfaces/IGenEventFilter.h"

class G4RunAlg : public AthAlgorithm
{
public:

  using AthAlgorithm::AthAlgorithm;

  virtual bool isClonable() const override { return true; }

  virtual StatusCode initialize ATLAS_NOT_THREAD_SAFE () override;

  virtual StatusCode execute(const EventContext& ctx) override;
 
private:
  void releaseGeoModel();

  Gaudi::Property<bool> m_flagAbortedEvents{this, "FlagAbortedEvents", false, ""};
  Gaudi::Property<bool> m_killAbortedEvents{this, "KillAbortedEvents", false, ""};
  Gaudi::Property<bool> m_releaseGeoModel{this, "ReleaseGeoModel", true, ""};
  Gaudi::Property<bool> m_useShadowEvent{this, "UseShadowEvent", false, "New approach to selecting particles for simulation"};
  Gaudi::Property<std::string> m_randomStreamName{this, "RandomStreamName", "Geant4", ""};
  Gaudi::Property<std::string> m_simplifiedGeoPath{this, "SimplifiedGeoPath", "", "Path to the simplified geometry file"};
  Gaudi::Property<std::map<std::string, std::string>> m_verbosities {this, "Verbosities", {}, "Map of G4 Verbosities to set for the simulation"};
  
  SG::ReadHandleKey<xAOD::EventInfo> m_eventInfoKey{this, "EventInfo", "EventInfo", "EventInfo key"};
  SG::ReadHandleKey<McEventCollection> m_inputTruthCollectionKey{this, "InputTruthCollection", "BeamTruthEvent", "Input hard scatter collection"};
  SG::WriteHandleKey<McEventCollection> m_outputTruthCollectionKey{this, "OutputTruthCollection", "TruthEvent", "Output hard scatter truth collection"};

  ServiceHandle<ISF::IInputConverter> m_inputConverter{this, "InputConverter", "ISF_InputConverter", ""};
  ServiceHandle<ISF::ITruthSvc> m_truthRecordSvc{this, "TruthRecordService", "ISF_TruthRecordSvc", ""};
  ServiceHandle<Simulation::IZeroLifetimePatcher> m_qspatcher{this, "QuasiStablePatcher", "", "Quasi-Stable Particle Simulation Patcher"};
  ServiceHandle<IAthRNGSvc> m_rndmGenSvc{this, "AtRndmGenSvc", "AthRNGSvc", ""};
  ServiceHandle<G4UA::IUserActionSvc> m_userActionSvc{this, "UserActionSvc", "G4UA::UserActionSvc", ""};

  PublicToolHandle<IFastSimulationMasterTool> m_fastSimTool{this, "FastSimMasterTool", "FastSimulationMasterTool", ""};
  PublicToolHandle<IG4RunTool> m_g4RunTool{this, "G4RunTool", "G4RunTool", ""};
  PublicToolHandle<ISensitiveDetectorMasterTool> m_senDetTool{this, "SenDetMasterTool", "SensitiveDetectorMasterTool", ""};
  ToolHandle<ISF::IGenEventFilter> m_truthPreselectionTool{this, "TruthPreselectionTool", "", "Tool for filtering out quasi-stable particle daughters"};
};
 
#endif// G4ATLASALG_G4RunAlg_H