JetGroupUnion.cxx

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/*
  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/
 
#include "./JetGroupUnion.h"
#include <set>
#include <string>
#include <algorithm>
#include <sstream>
 
 
JetGroupUnion::JetGroupUnion(const std::vector<std::size_t>& siblings,
                 const CondInd2JetGroupsInds& satisfiedBy) {
  
  // make a vector of the jet indices that satisfy the sibling Conditions
  // with no duplicates
 
  for (const auto& s :siblings){
    m_jetIndices.insert(m_jetIndices.end(),
            satisfiedBy.at(s).cbegin(),
            satisfiedBy.at(s).cend()
            );
  }
  
  std::sort(m_jetIndices.begin(),
        m_jetIndices.end());
 
  auto iter = std::unique(m_jetIndices.begin(),
              m_jetIndices.end());
                          
  m_jetIndices.resize(iter-m_jetIndices.begin());
  m_done = false;
}
 
 
std::vector<std::size_t> JetGroupUnion::next(const Collector& collector){
  if(collector){
    std::stringstream sstr;
    sstr << "no of indices " << m_jetIndices.size()
     << " done " << std::boolalpha << m_done;
    collector->collect("JetGroupUnion::next()", sstr.str());
  }
  
  if (m_done) {
    return std::vector<std::size_t>();
  }
 
  m_done = true;
  return m_jetIndices;
}
 
bool JetGroupUnion::valid() const {return true;}