JetConstituentThinning.h

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

// JetConstituentThinning.h, (c) ATLAS Detector software
 
#ifndef DERIVATIONFRAMEWORK_JETCONSTITUENTTHINNING_H
#define DERIVATIONFRAMEWORK_JETCONSTITUENTTHINNING_H
 
#include <string>
#include <vector>
 
#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 "xAODPFlow/FlowElementContainer.h"
#include "xAODBase/IParticleContainer.h"
 
#include "ExpressionEvaluation/ExpressionParserUser.h"
 
namespace DerivationFramework {
 
class JetConstituentThinning
    : public extends<ExpressionParserUser<AthAlgTool>, IThinningTool> {
public:
  JetConstituentThinning(const std::string &t, const std::string &n,
                         const IInterface *p);
  virtual ~JetConstituentThinning();
  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_jetConstituentName{
      this, "JetConstituentName", "CHSG", "Prefix for jet constituent containers (e.g., CHSG for CHSGChargedParticleFlowObjects)"};
 
  StringProperty m_globalConstituentName{
      this, "GlobalConstituentName", "Global", "Prefix for global constituent containers (e.g., Global for GlobalChargedParticleFlowObjects)"};
 
  StringProperty m_otherObjectsName{
      this, "OtherObjectsName", "", "Optional container name for otherObjects (e.g., CaloCalTopoClusters). If empty, otherObjects thinning is disabled."};
 
  SG::ThinningHandleKey<xAOD::FlowElementContainer> m_jetChargedKey;
  SG::ThinningHandleKey<xAOD::FlowElementContainer> m_jetNeutralKey;
  SG::ThinningHandleKey<xAOD::FlowElementContainer> m_globalChargedKey;
  SG::ThinningHandleKey<xAOD::FlowElementContainer> m_globalNeutralKey;
  SG::ThinningHandleKey<xAOD::IParticleContainer> m_otherObjectsKey;
};
 
} // namespace DerivationFramework
 
#endif // DERIVATIONFRAMEWORK_JETCONSTITUENTTHINNING_H