Github user thunterdb commented on a diff in the pull request:
https://github.com/apache/spark/pull/12663#discussion_r61259678
--- Diff:
mllib/src/test/scala/org/apache/spark/ml/classification/ClassifierSuite.scala
---
@@ -29,4 +69,31 @@ object ClassifierSuite {
"rawPredictionCol" -> "myRawPrediction"
)
+ class MockClassifier(override val uid: String)
+ extends Classifier[Vector, MockClassifier, MockClassificationModel] {
+
+ def this() = this(Identifiable.randomUID("mockclassifier"))
+
+ override def copy(extra: ParamMap): MockClassifier = throw new
NotImplementedError()
--- End diff --
for my personal curiosity, why not using the scala operator `???` (which is
more concise)?
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