LongLinkedList buf = (OrderedLongLinkedList) words.get(word);
LongLinkedList buf = (LongLinkedList) words.get(word);
		public void addRow(String word, long gid) {			LongLinkedList buf = (OrderedLongLinkedList) words.get(word);			if (buf == null) {				buf = new OrderedLongLinkedList();				words.put(word, buf);			}			buf.add(gid);		}