JetGhostThinning.h

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

// JetGhostThinning.h, (c) ATLAS Detector software
 
#ifndef DERIVATIONFRAMEWORK_JETGHOSTTHINNING_H
#define DERIVATIONFRAMEWORK_JETGHOSTTHINNING_H
 
#include <string>
 
#include "AthenaBaseComps/AthAlgTool.h"
#include "DerivationFrameworkInterfaces/IThinningTool.h"
#include "GaudiKernel/ToolHandle.h"
#include "StoreGate/ReadHandleKey.h"
#include "StoreGate/ThinningHandleKey.h"
#include "xAODJet/JetContainer.h"
#include "xAODBase/IParticleContainer.h"
 
#include "ExpressionEvaluation/ExpressionParserUser.h"
 
namespace DerivationFramework {
 
class JetGhostThinning
    : public extends<ExpressionParserUser<AthAlgTool>, IThinningTool> {
public:
  JetGhostThinning(const std::string &t, const std::string &n,
                   const IInterface *p);
  virtual ~JetGhostThinning();
  virtual StatusCode initialize() override;
  virtual StatusCode finalize() override;
  virtual StatusCode doThinning(const EventContext& ctx) const override;
 
private:
  StringProperty m_streamName{this, "StreamName", "",
                              "Name of the stream being thinned"};
 
  SG::ReadHandleKey<xAOD::JetContainer> m_jetSGKey{
      this, "JetKey", "", "SG key for jet container"};
 
  StringProperty m_selectionString{
      this, "SelectionString", "", "Selection string for jets"};
 
  StringProperty m_ghostName{
      this, "GhostName", "", "Name of the ghost association (e.g., GhostTower)"};
 
  StringProperty m_ghostContainerName{
      this, "GhostContainerName", "", "Name of the ghost object container (e.g., CaloCalFwdTopoTowers)"};
 
  SG::ThinningHandleKey<xAOD::IParticleContainer> m_ghostContainerKey;
};
 
} // namespace DerivationFramework
 
#endif // DERIVATIONFRAMEWORK_JETGHOSTTHINNING_H