code: @Override
      public Iterable<PersonDocument> findAll(final String filename) {
          final Query searchQuery = new Query(
                  Criteria.where("filename").is(filename));
          final List<PersonDocumentMongo> personDocuments =
                  mongoTemplate.find(searchQuery, PersonDocumentMongo.class);
          createGedObjects(personDocuments);
          return copy(personDocuments);
      }
docs: {@inheritDoc}