protected Collection getSupertypes(TopicIF type) {
Collection supers = (Collection) superTypeCache.get(type);
if (supers == null) {
supers = new ArrayList(typeutils.getSuperclasses(type));
supers.add(type);
superTypeCache.put(type, supers);
}
return supers;
}
protected Collection getTypes() {
Set types = new CompactHashSet();
Iterator it = index.getTopicTypes().iterator();
while (it.hasNext()) {
TopicIF type = (TopicIF) it.next();
types.addAll(getSupertypes(type));
types.addAll(typeutils.getSubclasses(type));
}
return types;
}
protected Collection getSubtypes(TopicIF type) {
Collection subs = new ArrayList(typeutils.getSubclasses(type));
subs.add(type);
return subs;
}