LooperKiller.h

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/*
  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef G4USERACTIONS_G4UA_LOOPERKILLER_H
#define G4USERACTIONS_G4UA_LOOPERKILLER_H
 
#include "GaudiKernel/ServiceHandle.h"
 
// Infrastructure includes
#include "G4UserSteppingAction.hh"
#include "AthenaBaseComps/AthMessaging.h"
 
class StoreGateSvc;
 
namespace G4UA
{
 
  class LooperKiller final : public G4UserSteppingAction, public AthMessaging
  {
 
    public:
 
      struct Config
      {
        int MaxSteps=1000000;
        int PrintSteps=100;
        int VerboseLevel=1;
        bool AbortEvent=true;
        bool SetError=false;
      };
 
      struct Report
      {
        long killed_tracks=0;
        void merge(const Report& rep){
          killed_tracks+=rep.killed_tracks;
        }
      };
 
      LooperKiller(const Config& config);
 
      virtual void UserSteppingAction(const G4Step*) override;
      const Report& getReport() const
      { return m_report; }
 
    private:
 
      typedef ServiceHandle<StoreGateSvc> StoreGateSvc_t;
      StoreGateSvc_t m_evtStore;
      StoreGateSvc_t m_detStore;
 
      Config m_config;
      Report m_report;
      int m_count_steps;
 
  }; // class LooperKiller
 
}
 
#endif