Github user zsxwing commented on a diff in the pull request:
https://github.com/apache/spark/pull/10779#discussion_r50164960
--- Diff:
streaming/src/main/scala/org/apache/spark/streaming/scheduler/StreamingListenerForwardingBus.scala
---
@@ -17,17 +17,38 @@
package org.apache.spark.streaming.scheduler
-import java.util.concurrent.atomic.AtomicBoolean
+import org.apache.spark.scheduler.{LiveListenerBus, SparkListener,
SparkListenerEvent}
+import org.apache.spark.util.ListenerBus
-import org.apache.spark.Logging
-import org.apache.spark.util.AsynchronousListenerBus
+/**
+ * Wrap StreamingListenerEvent as SparkListenerEvent so that it can be
posted to Spark listener bus.
+ */
+private[streaming] case class WrappedStreamingListenerEvent(
+ streamingListenerEvent: StreamingListenerEvent) extends
SparkListenerEvent {
+
+ // TODO once SPARK-12140 is resolved this will be true as well
+ protected[spark] override def logEvent: Boolean = false
+}
-/** Asynchronously passes StreamingListenerEvents to registered
StreamingListeners. */
-private[spark] class StreamingListenerBus
- extends AsynchronousListenerBus[StreamingListener,
StreamingListenerEvent]("StreamingListenerBus")
- with Logging {
+/**
+ * A Streaming listener bus to forward events in
WrappedStreamingListenerEvent to StreamingListeners
+ */
+private[streaming] class StreamingListenerForwardingBus(sparkListenerBus:
LiveListenerBus)
--- End diff --
Looks StreamingListenerBus is better. I just renamed it to
StreamingListenerBus
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