module ActiveFedora::RDF::DatastreamIndexing

def primary_solr_name(field, file_path)
  config = self.class.config_for_term_or_uri(field)
  return nil unless config && config.behaviors # punt on index names for deep nodes!
  config.behaviors.each do |behavior|
    result = ActiveFedora.index_field_mapper.solr_name(apply_prefix(field, file_path), behavior, type: config.type)
    return result if Solrizer::DefaultDescriptors.send(behavior).evaluate_suffix(:text).stored?
  end
  raise RuntimeError "no stored fields were found"
end