code: public static <E> View<E> viewForUri(Dataset<E> dataset, String uri) {
      return viewForUri(dataset, URI.create(uri));
    }
docs: Convert a URI for a partition directory in a filesystem dataset to a {@link View}
  object representing that partition.
  @param dataset the (partitioned) filesystem dataset
  @param uri the path to the partition directory
  @return a view of the partition