XComp opened a new pull request, #22661:
URL: https://github.com/apache/flink/pull/22661
## What is the purpose of the change
`DefaultLeaderElectionService` should rely on
`MultipleComponentLeaderElectionDriver` directly to enable support for multiple
contenders within the same service later on.
## Brief change log
* Resolved FLINK-30338 subtasks
* Made `MultipleComponentLeaderElectionDriver.Listener` extend
`AutoCloseable`
## Verifying this change
* Migrated any existing tests to the `MultipleComponentLeaderElectionDriver`
interface. The tests should still succeed.
## 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)`: no
- The serializers: no
- The runtime per-record code paths (performance sensitive): no
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Kubernetes/Yarn, ZooKeeper: yes
- The S3 file system connector: no
## Documentation
- Does this pull request introduce a new feature? no
- If yes, how is the feature documented? not applicable
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