PixelMaterialMap.cxx

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#include "PixelMaterialMap.h"
#include "RDBAccessSvc/IRDBRecordset.h"
 
#include <iostream>
#include <tuple>
 
PixelMaterialMap::Key::Key(int layerdisk_in, int typenum_in, std::string_view volumeName_in):
  layerdisk(layerdisk_in),
  typenum(typenum_in),
  volumeName(volumeName_in)
{}      
 
bool
PixelMaterialMap::Key::operator<(const PixelMaterialMap::Key& rhs) const
{
  return std::tie(volumeName, layerdisk, typenum) <
    std::tie(rhs.volumeName, rhs.layerdisk, rhs.typenum);
}
 
 
PixelMaterialMap::PixelMaterialMap(const IRDBRecordset_ptr& mapTable)
{
  for (const auto& rec : *mapTable) {
    int layerdisk = rec->getInt("LAYERDISK");
    int typenum    = rec->getInt("TYPENUM");
    const std::string & volumeName = rec->getString("VOLUMENAME");
    const std::string & material   = rec->getString("MATERIAL");
    addMaterial(layerdisk, typenum, volumeName, material);
  }
}
 
std::string
PixelMaterialMap::getMaterial(int layerdisk, int typenum, std::string_view volumeName) const
{
  // If not found try (layerdisk, 0) then (0, typenum), then (0,0)
  auto iter = m_matmap.find(Key(layerdisk, typenum, volumeName));
  if (iter == m_matmap.end() && typenum) {
    iter = m_matmap.find(Key(layerdisk, 0, volumeName));
  }
  if (iter == m_matmap.end() && layerdisk) {
    iter = m_matmap.find(Key(0, typenum, volumeName));
  }
  if (iter == m_matmap.end() && typenum && layerdisk) {
    iter = m_matmap.find(Key(0, 0, volumeName));
  }
  if (iter != m_matmap.end()) {
    return iter->second;
  } else {
    std::cout << "ERROR: PixelMaterialMap::getMaterial Cannot find material for volumeName: " << volumeName << std::endl;
    return "";
  }
}
 
 
void
PixelMaterialMap::addMaterial(int layerdisk, int typenum, std::string_view volumeName, std::string_view materialName) 
{
  m_matmap[Key(layerdisk, typenum, volumeName)] = materialName;
}