private boolean fieldsAreSortable(final Collection<String> fieldIds) { for (String fieldId : fieldIds) { if (fieldManager.isNavigableField(fieldId)) { final NavigableField field = fieldManager.getNavigableField(fieldId); if (!field.getSortFields(false).isEmpty()) { return true; } } } return false; }
luceneSortFields.addAll(field.getSortFields(getSortOrder(searchSort, field)));