Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/6294#discussion_r34856665
--- Diff:
streaming/src/main/scala/org/apache/spark/streaming/receiver/ReceiverSupervisor.scala
---
@@ -97,8 +98,8 @@ private[streaming] abstract class ReceiverSupervisor(
/** Called when supervisor is stopped */
protected def onStop(message: String, error: Option[Throwable]) { }
- /** Called when receiver is started */
- protected def onReceiverStart() { }
+ /** Called when receiver is started. Return true if the driver accepts
us */
+ protected def onReceiverStart(): Boolean = true
--- End diff --
No reason to return true as default. Keep this abstract.
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