EventScalarSelectorAlg.h

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/*
   Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/

 
#ifndef EVENT_SELECTOR_EVENTSCALARSELECTORALG_H
#define EVENT_SELECTOR_EVENTSCALARSELECTORALG_H
 
// Algorithm includes
#include <AnaAlgorithm/AnaAlgorithm.h>
#include <AsgTools/PropertyWrapper.h>
#include <SystematicsHandles/SysReadHandle.h>
#include <SystematicsHandles/SysReadDecorHandle.h>
#include <SystematicsHandles/SysListHandle.h>
#include <SelectionHelpers/SysReadSelectionHandle.h>
#include <SelectionHelpers/SysWriteSelectionHandle.h>
 
// Framework includes
#include <xAODEventInfo/EventInfo.h>
 
#include <EventSelectionAlgorithms/SignEnums.h>
 
namespace CP {

 
  class EventScalarSelectorAlg final : public EL::AnaAlgorithm {
 
    public:
      EventScalarSelectorAlg(const std::string &name, ISvcLocator *pSvcLocator);
      virtual StatusCode initialize() override;
      virtual StatusCode execute(const EventContext& ctx) override;
 
    private:

      Gaudi::Property<std::string> m_sign {this, "sign", "SetMe", "comparison sign to use"};

      Gaudi::Property<float> m_refValue {this, "refValue", 0., "reference value to compare against"};

      SignEnum::ComparisonOperator m_signEnum{};

      CP::SysListHandle m_systematicsList {this};

      CP::SysReadHandle<xAOD::EventInfo> m_eventInfoHandle {
        this, "eventInfo", "EventInfo", "the EventInfo container to read from"
      };

      CP::SysReadDecorHandle<float> m_floatVariable {
        this, "floatVariable", "", "EventInfo float decoration to cut on"
      };
      CP::SysReadDecorHandle<int> m_intVariable {
        this, "intVariable", "", "EventInfo int decoration to cut on"
      };
      CP::SysReadDecorHandle<double> m_doubleVariable {
        this, "doubleVariable", "", "EventInfo double decoration to cut on"
      };

      CP::SysReadSelectionHandle m_preselection {
        this, "eventPreselection", "SetMe", "name of the preselection to check before applying this one"
      };

      CP::SysWriteSelectionHandle m_decoration {
        this, "decorationName", "SetMe", "decoration name for the EVENTVAR selector"
      };
 
  }; // class
} // namespace CP
 
#endif // EVENT_SELECTOR_EVENTSCALARSELECTORALG_H