jpountz commented on code in PR #897:
URL: https://github.com/apache/lucene/pull/897#discussion_r877887683
##########
lucene/core/src/java/org/apache/lucene/document/LatLonPoint.java:
##########
@@ -362,4 +377,72 @@ public static Query newDistanceFeatureQuery(
}
return query;
}
+
+ /**
+ * Finds the {@code n} nearest indexed points to the provided point,
according to Haversine
+ * distance.
+ *
+ * <p>This is functionally equivalent to running {@link MatchAllDocsQuery}
with a {@link
+ * LatLonDocValuesField#newDistanceSort}, but is far more efficient since it
takes advantage of
+ * properties the indexed BKD tree. Currently this only works with {@link
Lucene90PointsFormat}
Review Comment:
this point that it only works with Lucene90PointsFormat is no longer true,
can you remove it?
##########
lucene/core/src/java/org/apache/lucene/search/NearestNeighbor.java:
##########
@@ -31,12 +31,8 @@
import org.apache.lucene.util.Bits;
import org.apache.lucene.util.SloppyMath;
-/**
- * KNN search on top of 2D lat/lon indexed points.
- *
- * @lucene.experimental
- */
-class NearestNeighbor {
+/** KNN search on top of 2D lat/lon indexed points. */
+public class NearestNeighbor {
Review Comment:
Can we keep it pkg-private if we have it in oal.document? This is especially
important as we're promoting this class to core.
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