Github user joan38 commented on a diff in the pull request:
https://github.com/apache/spark/pull/12437#discussion_r60261647
--- Diff:
core/src/main/scala/org/apache/spark/ui/scope/RDDOperationGraph.scala ---
@@ -72,6 +72,22 @@ private[ui] class RDDOperationCluster(val id: String,
private var _name: String)
def getCachedNodes: Seq[RDDOperationNode] = {
_childNodes.filter(_.cached) ++
_childClusters.flatMap(_.getCachedNodes)
}
+
+ def canEqual(other: Any): Boolean =
other.isInstanceOf[RDDOperationCluster]
+
+ override def equals(other: Any): Boolean = other match {
+ case that: RDDOperationCluster =>
+ (that canEqual this) &&
--- End diff --
The only benefit you get with `canEqual` over `this.getClass ==
that.getClass` is that it's a little bit less strict.
See https://www.artima.com/lejava/articles/equality.html (look for
"getClass" in the text to avoid reading the whole thing)
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