Yuti-G commented on code in PR #974:
URL: https://github.com/apache/lucene/pull/974#discussion_r908084991
##########
lucene/facet/src/java/org/apache/lucene/facet/range/RangeFacetCounts.java:
##########
@@ -232,20 +233,43 @@ public FacetResult getAllChildren(String dim, String...
path) throws IOException
return new FacetResult(dim, path, totCount, labelValues,
labelValues.length);
}
- // The current getTopChildren method is not returning "top" ranges. Instead,
it returns all
- // user-provided ranges in
- // the order the user specified them when instantiating. This concept is
being introduced and
- // supported in the
- // getAllChildren functionality in LUCENE-10550. getTopChildren is
temporarily calling
- // getAllChildren to maintain its
- // current behavior, and the current implementation will be replaced by an
actual "top children"
- // implementation
- // in LUCENE-10614
- // TODO: fix getTopChildren in LUCENE-10614
@Override
public FacetResult getTopChildren(int topN, String dim, String... path)
throws IOException {
validateTopN(topN);
- return getAllChildren(dim, path);
+ validateDimAndPathForGetChildren(dim, path);
+
+ int resultSize = Math.min(topN, counts.length);
+ PriorityQueue<LabelAndValue> pq =
+ new PriorityQueue<>(resultSize) {
+ @Override
+ protected boolean lessThan(LabelAndValue a, LabelAndValue b) {
+ int cmp = Integer.compare(a.value.intValue(), b.value.intValue());
+ if (cmp == 0) {
+ cmp = b.label.compareTo(a.label);
+ }
+ return cmp < 0;
+ }
+ };
+
+ for (int i = 0; i < counts.length; i++) {
+ if (pq.size() < resultSize) {
+ pq.add(new LabelAndValue(ranges[i].label, counts[i]));
Review Comment:
In this case, I propose we also change the `getAllChildren` functionality in
RangeFacetCounts to populate LabelAndValue only when count is > 0 to be
consistent with `getAllChildren` in other Facet implementations. Please let me
know what you think. Thanks!
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: issues-unsubscr...@lucene.apache.org
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscr...@lucene.apache.org
For additional commands, e-mail: issues-h...@lucene.apache.org
