@Transactional(readOnly = true, propagation = Propagation.SUPPORTS)
 @Override
 public FilterResults<GeneralNodeDatumMetadataFilterMatch> findGeneralNodeDatumMetadata(
     GeneralNodeDatumMetadataFilter criteria,
     List<SortDescriptor> sortDescriptors,
     Integer offset,
     Integer max) {
   return generalNodeDatumMetadataDao.findFiltered(criteria, sortDescriptors, offset, max);
 }