[SPARK-21027][MINOR][FOLLOW-UP] add missing since tag

WeichenXu123 · srowen · commit f6c5d8f6925e · 2017-09-13T09:48:04.000+01:00
## What changes were proposed in this pull request? add missing since tag for `setParallelism` in apache#19110 ## How was this patch tested? N/A Author: WeichenXu <weichen.xu@databricks.com> Closes apache#19214 from WeichenXu123/minor01.
diff --git a/mllib/src/main/scala/org/apache/spark/ml/classification/OneVsRest.scala b/mllib/src/main/scala/org/apache/spark/ml/classification/OneVsRest.scala
@@ -303,6 +303,7 @@ final class OneVsRest @Since("1.4.0") (
    *
    * @group expertSetParam
    */
+  @Since("2.3.0")
   def setParallelism(value: Int): this.type = {
     set(parallelism, value)
   }

Original file line number	Diff line number	Diff line change
`@@ -303,6 +303,7 @@ final class OneVsRest @Since("1.4.0") (`
`303`	`303`	`*`
`304`	`304`	`* @group expertSetParam`
`305`	`305`	`*/`
	`306`	`+ @Since("2.3.0")`
`306`	`307`	`def setParallelism(value: Int): this.type = {`
`307`	`308`	`set(parallelism, value)`
`308`	`309`	`}`