echauchot opened a new pull request, #19935:
URL: https://github.com/apache/flink/pull/19935
## What is the purpose of the change
Move OutputFormatBase to flink-core to offer flush mechanism to all output
formats
## Brief change log
Move OutputFormatBase from connectors-cassandra module to flink-core to
offer flush mechanism to all output formats.
Main change was to change (not yet public) send method signature so that it
returns a `CompletionStage` and not a guava `ListenableFuture`. Implementers
can chose their `CompletionStage` implementation as long as it implements
`CompletionStage#toCompletableFuture()`
## Verifying this change
This change is already covered by existing tests, such as
OutputFormatBaseTest and CassandraConnectorITCase (for first implementation)
## 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: no
- The S3 file system connector: no
## Documentation
- Does this pull request introduce a new feature? yes (not applicable /
docs / JavaDocs / not documented)
- If yes, how is the feature documented? javadocs
R: @zentol as discussed in the other PR.
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