code: public void init(Record record, Object source, boolean bReceiveAllAdds)
      {
          m_htBookmarks = new BookmarkList();
          m_bReceiveAllAdds = bReceiveAllAdds;
          super.init(record, null, source);
          if (record != null)
              record.addListener(new GridSyncRecordMessageFilterHandler(this, true));
      }
docs: Constructor.
  @param record The record to watch.
  @param source The source of this filter, to eliminate echos.
  @param bReceiveAllAdds If true, receive all add notifications, otherwise just receive the adds on secondary reads.