Tool_TauConstituentGetter.cxx

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
#include "PanTauAlgs/Tool_TauConstituentGetter.h"
#include "PanTauAlgs/HelperFunctions.h"
 
PanTau::Tool_TauConstituentGetter::Tool_TauConstituentGetter(const std::string& name) :
  asg::AsgTool(name)
{}
 
PanTau::Tool_TauConstituentGetter::~Tool_TauConstituentGetter() = default;
 
StatusCode PanTau::Tool_TauConstituentGetter::initialize() {
 
  ATH_MSG_INFO(" initialize()");
  m_init=true;
 
  ATH_CHECK( HelperFunctions::bindToolHandle( m_Tool_InputConverter, m_Tool_InputConverterName ) );
    
  ATH_CHECK( m_Tool_InputConverter.retrieve() );
    
  return StatusCode::SUCCESS;
}
 
 
StatusCode PanTau::Tool_TauConstituentGetter::GetTauConstituents(const xAOD::TauJet* tauJet,
                                                                 std::vector<TauConstituent*>& outputConstituents) const {
    
  //loop over charged PFOs
  for(unsigned int iChrgPFO=0; iChrgPFO<tauJet->nProtoChargedPFOs(); iChrgPFO++) {
 
    //convert to tau constituent
    PanTau::TauConstituent* curConst = nullptr;
    ATH_CHECK(m_Tool_InputConverter->ConvertToTauConstituent(tauJet->protoChargedPFO( iChrgPFO ), curConst, tauJet) );
    if(curConst == nullptr) {
      ATH_MSG_DEBUG("Problems converting charged PFO into tau constituent -> skip PFO");
      continue;
    }
        
    //add to list of tau constituents
    outputConstituents.push_back(curConst);
        
  }//end loop over charged PFOs
  
  // Pi0 tagged PFOs are not collected!
    
  //loop over neutral PFOs
  for(unsigned int iNeutPFO=0; iNeutPFO<tauJet->nProtoNeutralPFOs(); iNeutPFO++) {
        
    //convert to tau constituent
    PanTau::TauConstituent* curConst = nullptr;
    ATH_CHECK( m_Tool_InputConverter->ConvertToTauConstituent(tauJet->protoNeutralPFO( iNeutPFO ), curConst, tauJet) );
    if(curConst == nullptr) {
      ATH_MSG_DEBUG("Problems converting neutral PFO into tau constituent -> skip PFO");
      continue;
    }
        
    //add to list of tau constituents
    outputConstituents.push_back(curConst);
        
  }//end loop over charged PFOs
       
  return StatusCode::SUCCESS;    
}