@Override
public void setScorer(Scorer scorer) {
// System.out.println("C.setScorer scorer=" + scorer);
// Since we invoke .score(), and the comparators likely
// do as well, cache it so it's only "really" computed
// once:
this.scorer = new ScoreCachingWrappingScorer(scorer);
for (int compIDX = 0; compIDX < comparators.length; compIDX++) {
comparators[compIDX].setScorer(this.scorer);
}
Arrays.fill(joinScorers, null);
Queue<Scorer> queue = new LinkedList<>();
// System.out.println("\nqueue: add top scorer=" + scorer);
queue.add(scorer);
while ((scorer = queue.poll()) != null) {
// System.out.println(" poll: " + scorer + "; " + scorer.getWeight().getQuery());
if (scorer instanceof ToParentBlockJoinQuery.BlockJoinScorer) {
enroll(
(ToParentBlockJoinQuery) scorer.getWeight().getQuery(),
(ToParentBlockJoinQuery.BlockJoinScorer) scorer);
}
for (ChildScorer sub : scorer.getChildren()) {
// System.out.println(" add sub: " + sub.child + "; " + sub.child.getWeight().getQuery());
queue.add(sub.child);
}
}
}
