wenlong88 opened a new pull request #17938:
URL: https://github.com/apache/flink/pull/17938
## What is the purpose of the change
This PR is a following up PR of FLINK-25072, inits the operatorPrettyName of
JobVertex according to the description of operators introduced in FLINK-25072
and exposes the description in web ui.
## Brief change log
- init operatorPrettyName of JobVertex in streaming jobs according to
description of operators.
- introduce an new tree mode description to make the operatorPrettyName
easier to understand.
- update web ui: display name in DAG of web ui and display description in
detail of job vertex.
## Verifying this change
This change added tests and can be verified as follows:
- *Added unit tests for StreamingJobGraphGeneratorTest to verify the
generation of description *
- *verified changed in web ui manually, following is the result in
examples. *
## 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)
- If yes, how is the feature documented? (JavaDocs)
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