[REEF-2061] Upgrade checkstyle and related plugins to newer versions and fix new style issues in the code (#1502)

Summary of changes:

* Update CheckStyle to version 8.29
* Update Maven CheckStyle plugin to version 3.1.0
* Update CheckStyle configuration files to match the newer version (remove outdated parameters, etc.)
* Update the Java code and fix the newly found CheckStyle warnings

JIRA: [REEF-2061](https://issues.apache.org/jira/projects/REEF/issues/REEF-2061)
4 files changed
tree: 66b9b7a286b2694ea22a4533d3718a80e8f6303a
  1. bin/
  2. dev/
  3. lang/
  4. website/
  5. .gitattributes
  6. .gitignore
  7. .travis.yml
  8. appveyor.yml
  9. Doxyfile
  10. HEADER
  11. LICENSE
  12. NOTICE
  13. pom.xml
  14. README.md
README.md

Apache REEF™

Apache REEF™ (Retainable Evaluator Execution Framework) is a library for developing portable applications for cluster resource managers such as Apache Hadoop YARN or Apache Mesos. For example, Microsoft Azure Stream Analytics is built on REEF and Hadoop.

Online Documentation

Detailed information on REEF can be found in the following places:

The developer mailing list is the best way to reach REEF‘s developers when the above aren’t sufficient.

Build Status

ComponentOSStatus
REEF JavaUbuntuBuild Status
REEF.NETWindowsBuild status

Building REEF

Java.NET
Build & run unit testsjava\BUILD.mdcs\BUILD.md

Releases

downloads NuGet package

License

Apache 2.0