GitHub user zhangminglei opened a pull request: https://github.com/apache/flink/pull/4659
[FLINK-4047] Fix documentation about determinism of KeySelectors ## What is the purpose of the change This PR fixes the incorrect description for `KeySelectors`. ## Brief change log - Correct `api_concepts.md` file, make `arbitrary computations` to `deterministic computations`. - Update JavaDoc of `KeySelector `class ## Verifying this change This change is a trivial rework / code cleanup without any test coverage. You can merge this pull request into a Git repository by running: $ git pull https://github.com/zhangminglei/flink flink-4047 Alternatively you can review and apply these changes as the patch at: https://github.com/apache/flink/pull/4659.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #4659 ---- commit ad54e76fd804c9ae18c5403872b5d3e26d51a266 Author: zhangminglei <zml13856086...@163.com> Date: 2017-09-08T10:04:28Z [FLINK-4047] Fix documentation about determinism of KeySelectors ---- ---