JetFFSmearingAlg.h

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

 
#ifndef JET_ANALYSIS_ALGORITHMS__JET_FFSMEARING_ALG_H
#define JET_ANALYSIS_ALGORITHMS__JET_FFSMEARING_ALG_H
 
#include <AnaAlgorithm/AnaAlgorithm.h>
#include <JetCPInterfaces/ICPJetCorrectionTool.h>
#include <SelectionHelpers/OutOfValidityHelper.h>
#include <SelectionHelpers/SysReadSelectionHandle.h>
#include <SystematicsHandles/SysCopyHandle.h>
#include <SystematicsHandles/SysListHandle.h>
#include <string>
#include <unordered_set>
 
namespace CP {
 
class JetFFSmearingAlg final : public EL::AnaAlgorithm {
 public:
  using EL::AnaAlgorithm::AnaAlgorithm;
  virtual StatusCode initialize() override;
  virtual StatusCode execute(const EventContext& ctx) override;

 private:
  ToolHandle<ICPJetCorrectionTool> m_FFSmearingTool{
      this, "FFSmearingTool", "", "the large-R jet FF smearing tool we apply"};

 private:
  SysListHandle m_systematicsList{this};

  private:
   std::unordered_set<std::string> m_systematicsNames;

 private:
  SysCopyHandle<xAOD::JetContainer> m_jetHandle{
      this, "jets", "", "the large-R jet collection to run on"};

 private:
  SysReadSelectionHandle m_preselection{this, "preselection", "",
                                        "the preselection to apply"};

 private:
  OutOfValidityHelper m_outOfValidity{this};
};
}  // namespace CP
 
#endif