zhaih commented on code in PR #12651:
URL: https://github.com/apache/lucene/pull/12651#discussion_r1359984155
##########
lucene/core/src/java/org/apache/lucene/util/hnsw/OnHeapHnswGraph.java:
##########
@@ -74,23 +88,32 @@ public final class OnHeapHnswGraph extends HnswGraph
implements Accountable {
* @param node the node whose neighbors are returned, represented as an
ordinal on the level 0.
*/
public NeighborArray getNeighbors(int level, int node) {
- if (level == 0) {
- return graphLevel0.get(node);
- }
- Map<Integer, NeighborArray> levelMap = graphUpperLevels.get(level);
- assert levelMap.containsKey(node);
- return levelMap.get(node);
+ assert graph.length > node && graph[node] != null && graph[node][level] !=
null;
Review Comment:
Yeah good idea!
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