Github user mjsax commented on a diff in the pull request:
https://github.com/apache/flink/pull/750#discussion_r38516042
--- Diff:
flink-runtime/src/main/scala/org/apache/flink/runtime/taskmanager/TaskManager.scala
---
@@ -411,6 +411,23 @@ class TaskManager(
log.debug(s"Cannot find task to fail for execution
${executionID})")
}
+ // stops a task
+ case StopTask(executionID) =>
+ val task = runningTasks.get(executionID)
+ if (task != null) {
+ try {
+ task.stopExecution()
--- End diff --
Would it be possible, to change the interface to an abstract class that
provides a protected member `isRunning` (or similar) and implements `public
FINAL void stop()` method by setting `isRunning = false`. Thus, we would
ensure, that the call is non-blocking. The user needs to check `isRunning` flag
in `run()` method.
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