AHeise commented on a change in pull request #10435: [FLINK-13955][runtime]
migrate ContinuousFileReaderOperator to the mailbox execution model
URL: https://github.com/apache/flink/pull/10435#discussion_r370043710
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File path:
flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/operators/ContinuousFileProcessingRescalingTest.java
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@@ -261,6 +280,22 @@ public void awaitEverythingProcessed() throws Exception {
getFormat().awaitFirstChunkProcessed();
getFormat().resume();
getFormat().awaitLastProcessed();
+ sendTask(getHarness().getTaskMailbox(), () ->
getHarness().close());
+ }
+
+ private static void sendTask(TaskMailbox mailbox,
ThrowingRunnable<?> task) throws Exception {
+ CompletableFuture<?> f = new CompletableFuture<>();
+ new
MailboxProcessor(MailboxDefaultAction.Controller::suspendDefaultAction,
mailbox, StreamTaskActionExecutor.IMMEDIATE)
+ .getMainMailboxExecutor()
+ .execute(() -> {
+ try {
+ task.run();
+ f.complete(null);
+ } catch (Throwable t) {
+
f.completeExceptionally(t);
+ }
+ }, "");
Review comment:
That's essentially the same as `mailbox.put(new Mail(<the lambda>, 0, ""));`
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