LArLATOMEMapping.h

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//Dear emacs, this is -*-c++-*-
 
/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef LARLATOMEMAPPING_H
#define LARLATOMEMAPPING_H
 
#include "Identifier/HWIdentifier.h"
#include "Identifier/Identifier.h"
#include "Identifier/IdentifierHash.h"
 
#include <vector>
//#include <algorithm>
#include <unordered_map>
#define N_LATOME_CHANNELS 320

 
class LArLATOMEMapping {

  friend class LArLATOMEMappingAlg; //The conditions alg filling this object
 
 public:
  LArLATOMEMapping(unsigned nLatomes=0);
  
  HWIdentifier getChannelID(const unsigned int sourceID, const unsigned int chan) const;
  std::vector<HWIdentifier>  getChFromSource(const unsigned int sourceID) const;
 
 
 
 private:

  const HWIdentifier m_hwidEmpty;
 
  std::vector<unsigned int>  m_sourceID;
  std::vector<std::vector< HWIdentifier> > m_onlineID;
  std::unordered_map<unsigned,std::vector< HWIdentifier> > m_map;
 
};
 
 
//Inline methods:
inline HWIdentifier LArLATOMEMapping::getChannelID(const unsigned int sourceID, const unsigned int chan) const {
  auto it = m_map.find(sourceID);
  if (it == m_map.end()) [[unlikely]] {
    return m_hwidEmpty;
  }
  const std::vector<HWIdentifier>& chanVec = it->second;
  if (chan >= chanVec.size()) [[unlikely]] {
    return m_hwidEmpty;
  }
  return chanVec[chan];
}
 
// Lets make it possible to do this in two stages if needed: Return only the chanVec vector for a given LATOME source ID:
inline std::vector<HWIdentifier> LArLATOMEMapping::getChFromSource(const unsigned int sourceID) const{
  auto it = m_map.find(sourceID);
  if (it == m_map.end()) [[unlikely]] {
    return {m_hwidEmpty} ;
  }
 
  return it->second ;
}
 
 
#include "AthenaKernel/CLASS_DEF.h"
CLASS_DEF( LArLATOMEMapping, 219977637 , 1)
#include "AthenaKernel/CondCont.h"
CONDCONT_DEF(  LArLATOMEMapping, 84043487  );
 
#endif