ChargeSelectorAlg.h

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/*
   Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/

 
#ifndef EVENT_SELECTOR_CHARGESELECTORALG_H
#define EVENT_SELECTOR_CHARGESELECTORALG_H
 
// Algorithm includes
#include <AnaAlgorithm/AnaAlgorithm.h>
#include <AsgTools/PropertyWrapper.h>
#include <SystematicsHandles/SysReadHandle.h>
#include <SelectionHelpers/SysReadSelectionHandle.h>
#include <SelectionHelpers/SysWriteSelectionHandle.h>
 
// Framework includes
#include <xAODEgamma/ElectronContainer.h>
#include <xAODMuon/MuonContainer.h>
#include <xAODTau/TauJetContainer.h>
#include <xAODTruth/TruthParticleContainer.h>
#include <xAODEventInfo/EventInfo.h>
 
namespace CP {

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

      Gaudi::Property<bool> m_OSmode {this, "OS", true, "whether to request 2 opposite-sign leptons"};

      CP::SysListHandle m_systematicsList {this};

      CP::SysReadHandle<xAOD::ElectronContainer> m_electronsHandle {
        this, "electrons", "", "the electron container to use"
      };

      CP::SysReadSelectionHandle m_electronSelection {
        this, "electronSelection", "", "the selection on the input electrons"
      };

      CP::SysReadHandle<xAOD::MuonContainer> m_muonsHandle {
        this, "muons", "", "the muon container to use"
      };

      CP::SysReadSelectionHandle m_muonSelection {
        this, "muonSelection", "", "the selection on the input muons"
      };

      CP::SysReadHandle<xAOD::TauJetContainer> m_tausHandle {
        this, "taus", "", "the tau-jet container to use"
      };

      CP::SysReadSelectionHandle m_tauSelection {
        this, "tauSelection", "", "the selection on the input tau-jets"
      };

      CP::SysReadHandle<xAOD::TruthParticleContainer> m_electronsTruthHandle {
        this, "truthElectrons", "", "the truth electron container to use"
      };

      CP::SysReadSelectionHandle m_electronTruthSelection {
        this, "truthElectronSelection", "", "the selection on the input truth electrons"
      };

      CP::SysReadHandle<xAOD::TruthParticleContainer> m_muonsTruthHandle {
        this, "truthMuons", "", "the truth muon container to use"
      };

      CP::SysReadSelectionHandle m_muonTruthSelection {
        this, "truthMuonSelection", "", "the selection on the input truth muons"
      };

      CP::SysReadHandle<xAOD::TruthParticleContainer> m_tausTruthHandle {
        this, "truthTaus", "", "the truth tau container to use"
      };

      CP::SysReadSelectionHandle m_tauTruthSelection {
        this, "truthTauSelection", "", "the selection on the input truth taus"
      };

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

      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 MLL selector"
      };
 
  }; // class
} // namespace CP
 
#endif // EVENT_SELECTOR_CHARGESELECTORALG_H