/** * Utility method to return the number of documents that fell in the given bucket (identified by * the bucket ordinal) */ public final int bucketDocCount(long bucketOrd) { if (bucketOrd >= docCounts.size()) { // This may happen eg. if no document in the highest buckets is accepted by a sub aggregator. // For example, if there is a long terms agg on 3 terms 1,2,3 with a sub filter aggregator and // if no document with 3 as a value // matches the filter, then the filter will never collect bucket ord 3. However, the long // terms agg will call bucketAggregations(3) // on the filter aggregator anyway to build sub-aggregations. return 0; } else { return docCounts.get(bucketOrd); } }
@Override public int advance(int target) throws IOException { if (remaining == 0) { return currentDocId = NO_MORE_DOCS; } currentDocId = parentsIterator.advance(target); if (currentDocId == DocIdSetIterator.NO_MORE_DOCS) { return currentDocId; } bytesValues.setDocument(currentDocId); long index = parentIds.find(bytesValues.nextValue(), bytesValues.currentValueHash()); if (index != -1) { currentScore = scores.get(index); currentScore /= occurrences.get(index); remaining--; return currentDocId; } else { return nextDoc(); } }