kfaraz commented on code in PR #19138:
URL: https://github.com/apache/druid/pull/19138#discussion_r3592560716
##########
processing/src/main/java/org/apache/druid/timeline/IntervalTreeMap.java:
##########
@@ -826,8 +828,11 @@ private void setRightNode(Node<T> node, Node<T> right)
}
}
- @VisibleForTesting
- public String print()
+ /**
+ * @return The contents of the tree as a string
+ */
+ @Override
+ public @Nullable String toString()
{
return (root != null) ? root.print(1) : null;
Review Comment:
`toString()` should ideally not be null for a non-null object.
Return an empty string instead.
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