TisonKun opened a new pull request #6851: [FLINK-10559] Remove LegacyLocalStreamEnvironment URL: https://github.com/apache/flink/pull/6851 ## What is the purpose of the change Remove `LegacyLocalStreamEnvironment` which based on legacy mode and now we have its replacement `LocalStreamEnvironment`. It looks like not just a simply removal because some previous miss or mistake. 1. `PythonEnvironmentFactory` still use `LegacyLocalStreamEnvironment`, which I believe is a missing task. 2. `LegacyLocalStreamEnvironment` is with annotation `@Public` by [this commit](https://github.com/apache/flink/commit/af5279e9bd3dec18512a54c59982e3dc1f253cd2). Of course `LocalStreamEnvironment` is `@Public` but `LegacyLocalStreamEnvironment` should never be. ## Brief change log Remove `LegacyLocalStreamEnvironment.java`. Replace `LegacyLocalStreamEnvironment` with `LocalStreamEnvironment` in `PythonEnvironmentFactory.java`, I believe it is a missing task. ## Verifying this change This change is a trivial rework / code cleanup without any test coverage. ## 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 `(Evolving)`: (**yes**, but I think it is because of a mistake.) - 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? (**no**) - If yes, how is the feature documented? (**not applicable**) cc @tillrohrmann @aljoscha
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