Utils.hxx

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template<class M>
M
dunedaq::opmonlib::from_entry(const dunedaq::opmon::OpMonEntry& e)
{
 
  M ret;
 
  if (ret.GetTypeName() != e.measurement()) {
    throw opmonlib::NameMismatch(ERS_HERE, ret.GetTypeName(), e.measurement());
  }
 
  from_entry(ret, e);
 
  return ret;
}
 
template<class T>
void
dunedaq::opmonlib::set_value(google::protobuf::Message& m, const std::string& name, T value)
{
 
  const auto* descriptor_p = m.GetDescriptor();
  const auto& des = *descriptor_p;
 
  auto field_p = des.FindFieldByName(name);
  if (!field_p) {
    throw MissingField(ERS_HERE, name, m.GetTypeName());
  }
 
  const auto* reflection_p = m.GetReflection();
  const auto& ref = *reflection_p;
 
  set_value(ref, m, field_p, value);
}