public List<Way> getWays() {
final List<Way> ws = new ArrayList<Way>();
for (Segment s : segments) {
ws.add(s.getWay());
}
return Collections.unmodifiableList(ws);
}
public double getLengthFrom(Way w) {
double length = Double.NEGATIVE_INFINITY;
for (Segment s : getSegments()) {
length += s.getLength();
if (w.equals(s.getWay())) {
length = 0;
}
}
if (length < 0) {
throw new IllegalArgumentException("Way must be part of the route.");
}
return length;
}