Github user taishi-oss commented on a diff in the pull request:
https://github.com/apache/spark/pull/8935#discussion_r46520868
--- Diff: mllib/src/main/scala/org/apache/spark/ml/Pipeline.scala ---
@@ -82,8 +82,11 @@ abstract class PipelineStage extends Params with Logging
{
* an identity transformer.
*/
@Experimental
-class Pipeline(override val uid: String) extends Estimator[PipelineModel] {
+@Since("1.5.0")
+class Pipeline(
+ @Since("1.5.0") override val uid: String) extends
Estimator[PipelineModel] {
+ @Since("1.5.0")
--- End diff --
"git show" says Pipeline.this was introduced in v1.4.0.
```
hiro [spark] (master) > git show
v1.2.0:mllib/src/main/scala/org/apache/spark/ml/Pipeline.scala | grep "def
this"
hiro [spark] (master) > git show
v1.3.0:mllib/src/main/scala/org/apache/spark/ml/Pipeline.scala | grep "def this"
hiro [spark] (master) > git show
v1.4.0:mllib/src/main/scala/org/apache/spark/ml/Pipeline.scala | grep "def this"
def this() = this(Identifiable.randomUID("pipeline"))
```
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