BoostedTTbarSkimmingToolAlg.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef DERIVATIONFRAMEWORK_BOOSTEDTTBARSKIMMINGTOOLALG_H
#define DERIVATIONFRAMEWORK_BOOSTEDTTBARSKIMMINGTOOLALG_H
 
#include "AthenaBaseComps/AthAlgTool.h"
#include "DerivationFrameworkInterfaces/ISkimmingTool.h"
#include "Gaudi/Property.h"
#include <atomic>
 
namespace DerivationFramework {

  class BoostedTTbarSkimmingToolAlg : public extends<AthAlgTool, ISkimmingTool>
  {
    public:
      BoostedTTbarSkimmingToolAlg(const std::string& t, const std::string& n, const IInterface* p);
      virtual ~BoostedTTbarSkimmingToolAlg() = default;
 
      virtual StatusCode initialize() override { return StatusCode::SUCCESS; }
      virtual StatusCode finalize() override;

      virtual bool eventPassesFilter(const EventContext& ctx) const override;

      Gaudi::Property<double> m_ttbarCut{this, "ttbarCut", 0.0, "ttbar mass cut"};
 
    private:
      mutable std::atomic<unsigned int> m_ntot{0};
      mutable std::atomic<unsigned int> m_npass{0};
  };
 
} // namespace DerivationFramework
 
#endif // DERIVATIONFRAMEWORK_BOOSTEDTTBARSKIMMINGTOOLALG_H