Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/4875#discussion_r25982687
--- Diff:
streaming/src/main/scala/org/apache/spark/streaming/dstream/WindowedDStream.scala
---
@@ -62,7 +65,22 @@ class WindowedDStream[T: ClassTag](
override def compute(validTime: Time): Option[RDD[T]] = {
val currentWindow = new Interval(validTime - windowDuration +
parent.slideDuration, validTime)
- val rddsInWindow = parent.slice(currentWindow)
+ val parentRddsInWindow = parent.slice(currentWindow)
+ val rddsInWindow = _initialWindow match {
+ case None => {
+ parentRddsInWindow
+ }
+ case Some (initialWindowRDD) => {
+ if(parentRddsInWindow.length - windowBatchCount == 0) {
--- End diff --
These condition can be simplified isnt it?
```
val rddsInWindow = if (parentRddsInWindow.length < windowBatchCount &&
!initialWindow.exists) { ... } else { ... }
}
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