code: public void batchUpdate(HashMap invalidateIdEvents, HashMap invalidateTemplateEvents, ArrayList pushEntryEvents, ArrayList aliasEntryEvents) {
  	  notificationService.batchUpdate(invalidateIdEvents, invalidateTemplateEvents, pushEntryEvents, aliasEntryEvents, cacheUnit);
     }
docs: This allows the BatchUpdateDaemon to send its batch update events
  to all CacheUnits.
  
  @param invalidateIdEvents A Vector of invalidate by id.
  @param invalidateTemplateEvents A Vector of invalidate by template.
  @param pushEntryEvents A Vector of cache entries.