static String[] getOrderedEdgeLabels(Graph g) {
Set labelSet = new HashSet();
for (Iterator i = g.getNodeIterator(); i.hasNext(); ) {
GraphId id = (GraphId) i.next();
labelSet.addAll(g.getEdgeLabels(id));
}
log.debug(labelSet.size() + " labels in labelset.");
String[] result = (String[]) labelSet.toArray(new String[labelSet.size()]);
Arrays.sort(result);
return result;
}
