Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/9264#discussion_r44574514
--- Diff: core/src/main/scala/org/apache/spark/FutureAction.scala ---
@@ -116,57 +119,26 @@ class SimpleFutureAction[T] private[spark](jobWaiter:
JobWaiter[_], resultFunc:
}
override def ready(atMost: Duration)(implicit permit: CanAwait):
SimpleFutureAction.this.type = {
- if (!atMost.isFinite()) {
- awaitResult()
- } else jobWaiter.synchronized {
- val finishTime = System.currentTimeMillis() + atMost.toMillis
- while (!isCompleted) {
- val time = System.currentTimeMillis()
- if (time >= finishTime) {
- throw new TimeoutException
- } else {
- jobWaiter.wait(finishTime - time)
- }
- }
- }
+ jobWaiter.completionFuture.ready(atMost)
this
}
@throws(classOf[Exception])
override def result(atMost: Duration)(implicit permit: CanAwait): T = {
- ready(atMost)(permit)
- awaitResult() match {
- case scala.util.Success(res) => res
- case scala.util.Failure(e) => throw e
- }
+ jobWaiter.completionFuture.ready(atMost)
+ value.get.get
--- End diff --
`value` is an option though, not a future. The exception that will throw is
`None.get`, which is a bad error message.
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