@Override protected void invalidateQuietly(final T dataTag,final TagQualityStatus statusToAdd,final String description,final Timestamp timestamp){
  dataTagCacheObjectFacade.addQualityFlag(dataTag,statusToAdd,description);
  dataTagCacheObjectFacade.setTimestamps(dataTag,null,null,timestamp);
}

@ Override protected void invalidateQuietly ( final T dataTag , final TagQualityStatus statusToAdd , final String description , final Timestamp timestamp ) { dataTagCacheObjectFacade . addQualityFlag ( dataTag , statusToAdd , description ) ; dataTagCacheObjectFacade . setTimestamps ( dataTag , null , null , timestamp ) ; }
to be called internally only within a datatag synchronized block ( if object in cache ) . does not notify listeners . only cache timestamp is set ( others are null ) . should not be made public .
