Java 类org.apache.lucene.index.sorter.EarlyTerminatingSortingCollector 实例源码

private TopDocs topDocs(IndexSearcher searcher,
                        Query query,
                        Sort sort,
                        ScoreDoc after,
                        int count,
                        boolean usesRelevance) throws IOException {
    if (sort == null) {
        if (!usesRelevance) {
            FieldDoc start = after == null ? null : (FieldDoc) after;
            TopFieldCollector tfc = TopFieldCollector.create(this.sort, count, start, true, false, false, false);
            Collector collector = new EarlyTerminatingSortingCollector(tfc, this.sort, count);
            searcher.search(query, collector);
            return tfc.topDocs();
        } else {
            return searcher.searchAfter(after, query, count);
        }
    } else {
        return searcher.searchAfter(after, query, count, sort);
    }
}