Review

class TopFieldCollector.OneComparatorScoringNoMaxScoreCollector {
    final void updateBottom(int doc, float score) {
      bottom.docID = docBase + doc;
      bottom.score = score;
      bottom = (Entry) pq.updateTop();
    }
}

class TopFieldCollector.OneComparatorScoringMaxScoreCollector {
    final void updateBottom(int doc, float score) {
      bottom.docID = docBase + doc;
      bottom.score = score;
      bottom = (Entry) pq.updateTop();
    }
}

class TopFieldCollector.MultiComparatorScoringMaxScoreCollector {
    final void updateBottom(int doc, float score) {
      bottom.docID = docBase + doc;
      bottom.score = score;
      bottom = (Entry) pq.updateTop();
    }
}

class TopFieldCollector.MultiComparatorScoringNoMaxScoreCollector {
    final void updateBottom(int doc, float score) {
      bottom.docID = docBase + doc;
      bottom.score = score;
      bottom = (Entry) pq.updateTop();
    }

}