Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/6380#discussion_r31012977
--- Diff:
streaming/src/main/scala/org/apache/spark/streaming/scheduler/StreamingListener.scala
---
@@ -84,7 +86,10 @@ trait StreamingListener {
* @param numBatchInfos Number of last batches to consider for generating
statistics (default: 10)
*/
@DeveloperApi
-class StatsReportListener(numBatchInfos: Int = 10) extends
StreamingListener {
+class StatsReportListener(numBatchInfos: Int) extends StreamingListener {
+
+ def this() = this(10)
--- End diff --
How is this different from previous one?
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