/**
* 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);
}
}
/** Return an upper bound of the maximum bucket ordinal seen so far. */
protected final long maxBucketOrd() {
return docCounts.size();
}