JetNumConstitTool.h

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

 
#include "JetInterface/IJetDecorator.h"
#include "AsgTools/AsgTool.h"
#include "AsgTools/PropertyWrapper.h"
#include "AsgDataHandles/WriteDecorHandleKey.h"
 
class JetNumConstitTool : public asg::AsgTool,
              virtual public IJetDecorator {
  ASG_TOOL_CLASS(JetNumConstitTool, IJetDecorator)
 
public:
 
  // Constructor from tool name.
  JetNumConstitTool(const std::string& myname);
 
  virtual StatusCode initialize() override;
 
  // Inherited method to decorate a jet container.
  // Calls width and puts the result on the jets.
  virtual StatusCode decorate(const xAOD::JetContainer& jets) const override;
 
private:
 
  Gaudi::Property<std::string> m_jetContainerName{this, "JetContainer", "", "SG key for the input jet container"};
 
  SG::WriteDecorHandleKey<xAOD::JetContainer> m_numConstitKey{this, "numConstitKey", "numConstit", "SG key for number of constituents decoration (not including jet container name)"};
 
};
 
#endif