public void saveSiteletOrder(String containerName, List<Long> siteletIds) {
   int order = 0;
   for (Long siteletId : siteletIds) {
     SiteletProperties item = SiteletProperties.get(siteletId);
     item.order = order;
     item.update();
     order++;
   }
   clearContainerCache(containerName);
   SiteletProperties.broadcast(containerName, null);
 }