@ Pure public static List < String > getPreferredAttributeValuesForTrafficDirection ( TrafficDirection direction ) { final List < String > array = new ArrayList <> ( ) ; int i = 0 ; String value = getPreferredAttributeValueForTrafficDirection ( direction , i ) ; while ( value != null ) { array . add ( value ) ; value = getPreferredAttributeValueForTrafficDirection ( direction , ++ i ) ; } return array ; }
Replies the preferred values of traffic direction used in the attributes for the traffic direction on the roads .