[REEF-1596] Add the ability to check the status of the REEF job launched directly via REEFEnvironment Driver.

Summary of changes:
   * Add .getLastStatus() method to JobStatusHandler interface
   * Implement .getLastStatus() method in all classes that derive from JobStatusHandler
   * Set the default value for JobStatusHandler injectable parameter
   * implement REEFEnvironment.getLastStatus() method
   * Use that method in unit tests
   * Minor cosmetic changes in the code, more javadocs

JIRA:
  [REEF-1596](https://issues.apache.org/jira/browse/REEF-1596)

Pull Request:
  This changes #1151
8 files changed
tree: 4aa3300425e7caca012aca530410ceb8c7eb4d32
  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

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License

Apache 2.0