G4RunManagerHelper.cxx

Go to the documentation of this file.

/*
  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/
 
// G4RunManagerHelper.cxx, (c) ATLAS Detector software
 
// class header
#include "G4RunManagerHelper.h"
 
// package includes
#include "G4DetectorConstruction.h"
 
// Geant4 includes
#include "G4VUserPhysicsList.hh"
#include "QGSP_BERT.hh"
 
iGeant4::G4RunManagerHelper::G4RunManagerHelper(const std::string& type,
                                                const std::string& name,
                                                const IInterface* parent)
  : base_class(type,name,parent),
    m_g4RunManager(0),
    m_fastG4RunManager(0)
{
}
 
iGeant4::G4RunManagerHelper::~G4RunManagerHelper()
{
}
 
StatusCode iGeant4::G4RunManagerHelper::initialize()
{
  ATH_MSG_INFO("Initializing G4RunManagerHelper");
 
  return StatusCode::SUCCESS;
}
 
 
G4AtlasRunManager* iGeant4::G4RunManagerHelper::g4RunManager ATLAS_NOT_THREAD_SAFE ()
 
{
  if (m_g4RunManager) return m_g4RunManager;
 
  m_g4RunManager = G4AtlasRunManager::GetG4AtlasRunManager();
 
  ATH_MSG_INFO("Initializing G4RunManager");
 
  return m_g4RunManager;
 
}
 
 
G4RunManager* iGeant4::G4RunManagerHelper::fastG4RunManager ATLAS_NOT_THREAD_SAFE ()
 
{
  if (m_g4RunManager) return m_g4RunManager;
 
  if (m_fastG4RunManager) return m_fastG4RunManager;
 
  m_fastG4RunManager = new G4RunManager;
 
  ATH_MSG_INFO("Initializing fast version of G4RunManager");
 
  // initialize here
  G4VUserPhysicsList *thePL = new QGSP_BERT;
 
  m_fastG4RunManager->SetUserInitialization(thePL);
  m_fastG4RunManager->SetUserInitialization(new G4DetectorConstruction());
 
  // initialize Geant4
  m_fastG4RunManager->Initialize();
 
  return m_fastG4RunManager;
 
}