public VDC find(Object pk) {
VDC vdc = (VDC) em.find(VDC.class, pk);
VDCCollection rootCollection = vdc.getRootCollection();
rootCollection.getId();
Collection<VDCCollection> subcollections = rootCollection.getSubCollections();
traverseCollections(subcollections);
return vdc;
}
private void traverseCollections(Collection<VDCCollection> collections) {
for (Iterator it = collections.iterator(); it.hasNext(); ) {
VDCCollection elem = (VDCCollection) it.next();
elem.getId();
Collection<VDCCollection> subcollections = elem.getSubCollections();
if (subcollections.size() > 0) {
traverseCollections(subcollections);
}
}
}
