GitHub user greghogan opened a pull request:
https://github.com/apache/flink/pull/5294
[FLINK-8427] [optimizer] Checkstyle for org.apache.flink.optimizer.costs
## What is the purpose of the change
Enforce checkstyle for org.apache.flink.optimizer.costs
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/greghogan/flink
8427_checkstyle_for_org_apache_flink_optimizer_costs
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/5294.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 #5294
commit 54f0303541aa737723081d1d927b14c877527de3
Author: Greg Hogan
Date: 2018-01-12T21:12:37Z
Optimize imports
commit 6b969f5048132bafe80330d28c156f6530a9a22b
Author: Greg Hogan
Date: 2018-01-12T21:15:13Z
Trailing whitespace
commit a61f7b862a20142f29375237d5b428b40dee75c3
Author: Greg Hogan
Date: 2018-01-12T21:18:10Z
[FLINK-8427] [optimizer] Checkstyle for org.apache.flink.optimizer.costs
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