8182838485868788899091
return null; //deal with empty case if (list.size() == 0) return new FeedbackDocument[0]; final List<FeedbackDocument> rtrList = new ArrayList<FeedbackDocument>(list.size()); for(int id: list.keys()) { FeedbackDocument doc = new FeedbackDocument(); doc.docid = id; doc.score = -1; doc.rank = -1;