@Override
public <T extends CatalogInfo> CloseableIterator<T> list(final Class<T> of,
final Filter filter, Integer offset, Integer count, SortBy sortOrder) {
CatalogFacade facade = getFacade();
if (sortOrder != null && !facade.canSort(of, sortOrder.getPropertyName().getPropertyName())) {
// TODO: use GeoTools' merge-sort code to provide sorting anyways
throw new UnsupportedOperationException("Catalog backend can't sort on property "
+ sortOrder.getPropertyName() + " in-process sorting is pending implementation");
}
return facade.list(of, filter, offset, count, sortOrder);