Github user pnowojski commented on a diff in the pull request:
https://github.com/apache/flink/pull/6091#discussion_r191768672
--- Diff:
flink-streaming-scala/src/main/scala/org/apache/flink/streaming/api/scala/async/AsyncFunction.scala
---
@@ -46,4 +48,16 @@ trait AsyncFunction[IN, OUT] extends Function {
* @param resultFuture to be completed with the result data
*/
def asyncInvoke(input: IN, resultFuture: ResultFuture[OUT]): Unit
+
+ /**
+ * [[AsyncFunction.asyncInvoke]] timeout occurred.
+ * By default, the result future is exceptionally completed with
timeout exception.
+ *
+ * @param input element coming from an upstream task
+ * @param resultFuture to be completed with the result data
+ */
+ def timeout(input: IN, resultFuture: ResultFuture[OUT]): Unit = {
+ resultFuture.completeExceptionally(new TimeoutException("Async
function call has timed out."))
--- End diff --
same question about the tests.
---
