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); } } }