Github user maropu commented on a diff in the pull request:
https://github.com/apache/spark/pull/21276#discussion_r187278875
--- Diff: core/src/main/scala/org/apache/spark/util/Utils.scala ---
@@ -2715,6 +2715,66 @@ private[spark] object Utils extends Logging {
HashCodes.fromBytes(secretBytes).toString()
}
+ /**
+ * A safer version than scala obj's getClass.getSimpleName and
Utils.getFormattedClassName
+ * which may throw Malformed class name error.
+ * This method mimicks scalatest's getSimpleNameOfAnObjectsClass.
+ */
+ def getSimpleName(fullyQualifiedName: String): String = {
+ stripDollars(parseSimpleName(fullyQualifiedName))
+ }
+
+ /**
+ * Remove the packages from full qualified class name
+ */
+ private def parseSimpleName(fullyQualifiedName: String): String = {
--- End diff --
`fullyQualifiedName.split("\\.").takeRight(1)`?
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