/**
  * DOC ggu Comment method "needRefreshRelatedViews".
  *
  * @param results
  * @return
  */
 public Set<String> needRefreshRelatedViews(List<UpdateResult> results) {
   Set<String> viewIds = new HashSet<String>();
   IProcessUpdateManagerProvider[] processProviders = reader.getProcessProviders();
   for (IProcessUpdateManagerProvider provider : processProviders) {
     Set<String> viewSet = provider.needRefreshRelatedViews(results);
     if (viewSet != null) {
       viewIds.addAll(viewSet);
     }
   }
   return viewIds;
 }