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
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commit ad54e76fd804c9ae18c5403872b5d3e26d51a266
Author: zhangminglei <[email protected]>
Date: 2017-09-08T10:04:28Z
[FLINK-4047] Fix documentation about determinism of KeySelectors
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