Github user aljoscha commented on a diff in the pull request:
https://github.com/apache/flink/pull/4364#discussion_r128477515
--- Diff:
flink-runtime/src/test/java/org/apache/flink/runtime/executiongraph/ExecutionGraphRestartTest.java
---
@@ -727,4 +837,46 @@ private static void haltExecution(ExecutionGraph eg) {
assertEquals(JobStatus.FINISHED, eg.getState());
}
+
+ //
------------------------------------------------------------------------
+
+ /**
+ * A TaskManager gateway that does not ack cancellations.
+ */
+ private static final class NotCancelAckingTaskGateway extends
SimpleAckingTaskManagerGateway {
+
+ @Override
+ public org.apache.flink.runtime.concurrent.Future<Acknowledge>
cancelTask(ExecutionAttemptID executionAttemptID, Time timeout) {
+ return new FlinkCompletableFuture<>();
+ }
+ }
+
+ private static final class TriggeredRestartStrategy implements
RestartStrategy {
--- End diff --
"A {@link RestartStrategy} that blocks restarting on a given {@link
OneShotLatch}."?
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