public void _orderBy(String field, OrderingType ordering) {
        assertNoRawQuery();
        String f = ensureValidFieldName(field, false);
        orderByTokens.add(OrderByToken.createAscending(f, ordering));
    }
public void _orderBy ( String field , OrderingType ordering ) { assertNoRawQuery ( ) ; String f = ensureValidFieldName ( field , false ) ; orderByTokens . add ( OrderByToken . createAscending ( f , ordering ) ) ; }
Order the results by the specified fields
The fields are the names of the fields to sort, defaulting to sorting by ascending.
You can prefix a field name with '-' to indicate sorting by descending or '+' to sort by ascending
@param field field to use in order
@param ordering Ordering type