jianyun8023 opened a new pull request #14622:
URL: https://github.com/apache/flink/pull/14622
## What is the purpose of the change
Add the `SourceFunction` implementation of Pulsar to the connector.
## Brief change log
- Add Pulsar SourceFunction implementation
- Supports exactly-one
- Support dynamic discovery of Topic
- Implementation is similar to kafka
## Verifying this change
This change added tests and can be verified as follows:
- Adding basic tests for Source (start, stop, snapshot, checkpoint)
- Pulsar service based on testcontainers
- Unit tests for Pulsar authentication functionality
- Topic dynamic discovery tests
- Pulsar client cache tests
- Watermark function testing
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): (**yes** / no)
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: (**yes** / no)
- The serializers: (yes / **no** / don't know)
- The runtime per-record code paths (performance sensitive): (yes / no /
**don't know**)
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Kubernetes/Yarn/Mesos, ZooKeeper: (yes / **no** /
don't know)
- The S3 file system connector: (yes / **no** / don't know)
## Documentation
- Does this pull request introduce a new feature? (**yes** / no)
- If yes, how is the feature documented? (not applicable / **docs** /
**JavaDocs** / not documented)
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