if (frame.getKind().equals(parent_relation)) establishParentage(frame);
if (isParentageRelation(frame))  establishParentage(frame);
    public void valueUpdated(Frame frame, String attribute, Object value)    {	// handle the modification of parent-child relationship frames	if (frame.getKind().equals(parent_relation)) establishParentage(frame);	// Publish the frame itself as the change, or just a change	// record for the specific attribute?	ArrayList changes = new ArrayList(1);	Frame.Change change = new Frame.Change(attribute, value);	changes.add(change);	if (bbs != null) bbs.publishChange(frame, changes);    }