/* (non-Javadoc)
  * @see org.sakaiproject.content.api.ContentHostingHandlerResolver#getMemberResourceIds(java.lang.String)
  */
 public Collection<String> getMemberResourceIds(String collectionId) {
   ContentEntity ce = getVirtualChild(collectionId, getRealParent(collectionId), false);
   if (ce != null) {
     ContentHostingHandler chh = ce.getContentHandler();
     if (chh != null) {
       return chh.getMemberResourceIds(ce);
     }
   }
   return storage.getMemberResourceIds(collectionId);
 }