Method FindTopRelation

generator/collector_building_parts.cpp:129–151

}

base::GeoObjectId BuildingPartsCollector::FindTopRelation(base::GeoObjectId elId)
{
  IdRelationVec elements;
  RelationFetcher fetcher(elements);
  cache::IntermediateDataReaderInterface::ForEachRelationFn wrapper =
      base::ControlFlowWrapper<RelationFetcher>(fetcher);
  IdRelationVec::const_iterator it;
  auto const serialId = elId.GetSerialId();
  if (elId.GetType() == base::GeoObjectId::Type::ObsoleteOsmWay)
  {
    m_cache->ForEachRelationByWayCached(serialId, wrapper);
    it = base::FindIf(elements,
                      [&](auto const & idRelation) { return idRelation.second.GetWayRole(serialId) == "outline"; });
  }
  else if (elId.GetType() == base::GeoObjectId::Type::ObsoleteOsmRelation)
  {
    m_cache->ForEachRelationByRelationCached(serialId, wrapper);
    it = base::FindIf(
        elements, [&](auto const & idRelation) { return idRelation.second.GetRelationRole(serialId) == "outline"; });
  }

  return it != std::end(elements) ? base::MakeOsmRelation(it->first) : base::GeoObjectId();
}

void BuildingPartsCollector::Finish()
{