/*
* Recursive descent into subclusters.
*/
private static void flatten(ArrayList<Cluster> flattened, Collection<Cluster> clusters) {
for (Cluster c : clusters) {
flattened.add(c);
final List<Cluster> subclusters = c.getSubclusters();
if (!subclusters.isEmpty()) {
flatten(flattened, subclusters);
}
}
}
/** For JSON serialization only. */
@JsonProperty("clusters")
@SuppressWarnings("unused")
private List<Cluster> getSubclustersForSerialization() {
return subclustersView.isEmpty() ? null : subclustersView;
}
