Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/2259#discussion_r71155160
--- Diff:
flink-examples/flink-examples-streaming/src/main/scala/org/apache/flink/streaming/scala/examples/windowing/TopSpeedWindowing.scala
---
@@ -72,7 +74,34 @@ object TopSpeedWindowing {
} else {
println("Executing TopSpeedWindowing example with default inputs
data set.")
println("Use --input to specify file input.")
- env.fromCollection(genCarStream())
+ env.addSource(new SourceFunction[CarEvent]() {
+
+ val speeds = Array.fill[Integer](numOfCars)(50)
+ val distances = Array.fill[Double](numOfCars)(0d)
+ @Transient lazy val rand = new Random()
+
+ var counter = 0
+ var isRunning:Boolean = true
+
+ override def run(ctx: SourceContext[CarEvent]) = {
+ while (isRunning && counter < numOfEvents) {
--- End diff --
I think we shouldn't limit the number of emitted events. It is a streaming
example and as such it should continuously run.
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