Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/19992#discussion_r157857840
--- Diff: core/src/main/scala/org/apache/spark/storage/StorageLevel.scala
---
@@ -132,6 +132,10 @@ class StorageLevel private(
override def hashCode(): Int = toInt * 41 + replication
+ /** Name of the storage level if it is predefined or `None` otherwise. */
+ def name: Option[String] = StorageLevel.PREDEFINED
+ .collectFirst { case (storageLevel, name) if storageLevel == this =>
name }
--- End diff --
If the method body needs multiple lines it's better to wrap it with `{ }`.
Same thing below.
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