JetSubStructureMomentToolsBase.h

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/*
  Copyright (C) 2002-2023 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef jetsubstructuremomenttools_jetsubstructurebase_header
#define jetsubstructuremomenttools_jetsubstructurebase_header
 
#include "xAODJet/Jet.h"
#include "xAODJet/JetContainer.h"
 
#include "JetRec/JetModifierBase.h"
 
namespace fastjet {
  class PseudoJet;
}
 
class JetSubStructureMomentToolsBase :
  public JetModifierBase {
 
    public:
 
      // Constructor and destructor
      JetSubStructureMomentToolsBase(const std::string& name);
 
      StatusCode initialize();
 
    protected:
 
      std::string m_inputContainer;
      std::string m_prefix;
 
      bool SetupDecoration(fastjet::PseudoJet& pseudojet,const  xAOD::Jet& jet, bool requireJetStructure=false) const;
      bool checkForConstituents(const xAOD::Jet &jet) const {
        if(jet.numConstituents() == 0) {
          ATH_MSG_WARNING("Attempting to use a substructure tool on a jet that has no constituent");
          return false;
        } else {
          return true;
        }
      }
      fastjet::PseudoJet buildPseudoJet(const xAOD::Jet & jet, bool requireJetStructure=false) const;
      fastjet::PseudoJet buildPseudoJet(const std::vector<const xAOD::IParticle*>& iparticles) const;
      
      // Print all configurable parameters
      virtual void print() const;
 
  };
 
#endif