score.java

public BulkScorer bulkScorer(LeafReaderContext context) throws IOException {
  final float score = score();
  final int maxDoc = context.reader().maxDoc();
  return new BulkScorer() {
    @Override
    public int score(LeafCollector collector, Bits acceptDocs, int min, int max) throws IOException {
      max = Math.min(max, maxDoc);
      FakeScorer scorer = new FakeScorer();
      scorer.score = score;
      collector.setScorer(scorer);
      for (int doc = min; doc < max; ++doc) {
        scorer.doc = doc;
        if (acceptDocs == null || acceptDocs.get(doc)) {
          collector.collect(doc);
        }
      }
      return max == maxDoc ? DocIdSetIterator.NO_MORE_DOCS : max;
    }
    @Override
    public long cost() {
      return maxDoc;
    }
  };
}