/**
* Sort the contained elements.
*
* @return a Collection of Resources.
*/
protected synchronized Collection<Resource> getCollection() {
ResourceCollection rc = getResourceCollection();
Iterator<Resource> iter = rc.iterator();
if (!(iter.hasNext())) {
return Collections.emptySet();
}
List<Resource> result = (List<Resource>) CollectionUtils.asCollection(iter);
Collections.sort(result, comp);
return result;
}
