TisonKun opened a new pull request #10392: [FLINK-14854][client] Add executeAsync() method to execution environments URL: https://github.com/apache/flink/pull/10392 ## What is the purpose of the change Add a new `executeAsync()` method which returns a future of `JobClient`. This exposes the new executor/job client work on the user API. I added such methods in `ExecutionEnvironment` & `StreamExecutionEnvironment` and export as Scala API. However, I don't patch code for make it works in every environment that hijacks `execution` method. The reason is that 1) future work will port (Local|Remote)Environment under new Executor abstraction so then they will work. 2) CollectionEnvironment doesn't support something like `JobClient`. Actually I think such environment can be replaced with LocalEnvironment. Currently, I do only check not null for `ExecutorFactory` in `executeAsync` and throw an exception with description when we cannot find one, i.e., Local, Remote, Collection Environment. It will hints users that these envs don't support such feature(now). ## Verifying this change `executeAsync()` is a lightweight interface for default parameter. And with this change all codepath previously goes into `execute(jobName)` now also goes into `executeAsync(jobName)`. Thus I think the change is already covered by existing tests. ## Does this pull request potentially affect one of the following parts: - Dependencies (does it add or upgrade a dependency): (no) - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (yes, we introduces more user APIs) - The serializers: (no) - The runtime per-record code paths (performance sensitive): (no) - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (no) - The S3 file system connector: (no) ## Documentation - Does this pull request introduce a new feature? (yes) - If yes, how is the feature documented? (JavaDocs) cc @aljoscha @kl0u
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