@Override public void collect(int doc) throws IOException { if (values != null) { long ord = ordinals.getOrd(doc); long parentIdx = parentIdsIndex.get(ord); if (parentIdx < 0) { final BytesRef bytes = values.getValueByOrd(ord); final int hash = values.currentValueHash(); parentIdx = parentIds.add(bytes, hash); if (parentIdx < 0) { parentIdx = -parentIdx - 1; doScore(parentIdx); } else { scores = bigArrays.grow(scores, parentIdx + 1); scores.set(parentIdx, scorer.score()); } parentIdsIndex.set(ord, parentIdx); } else { doScore(parentIdx); } } }