Github user sethah commented on a diff in the pull request:
https://github.com/apache/spark/pull/19876#discussion_r160463225
--- Diff: mllib/src/main/scala/org/apache/spark/ml/util/ReadWrite.scala ---
@@ -85,12 +87,55 @@ private[util] sealed trait BaseReadWrite {
protected final def sc: SparkContext = sparkSession.sparkContext
}
+/**
+ * ML export formats for should implement this trait so that users can
specify a shortname rather
+ * than the fully qualified class name of the exporter.
+ *
+ * A new instance of this class will be instantiated each time a DDL call
is made.
+ *
+ * @since 2.3.0
+ */
+@InterfaceStability.Evolving
+trait MLFormatRegister {
+ /**
+ * The string that represents the format that this data source provider
uses. This is
+ * overridden by children to provide a nice alias for the data source.
For example:
--- End diff --
"data source" -> "model format"?
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