[jira] [Created] (YARN-4279) Mark ApplicationId and ApplicationAttemptId static methods as @Public, @Unstable

["Steve Loughran (JIRA)" <ji...@apache.org>]

Steve Loughran created YARN-4279:
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             Summary: Mark ApplicationId and ApplicationAttemptId static methods as @Public, @Unstable
                 Key: YARN-4279
                 URL: https://issues.apache.org/jira/browse/YARN-4279
             Project: Hadoop YARN
          Issue Type: Improvement
          Components: client
    Affects Versions: 2.7.1
            Reporter: Steve Loughran
            Assignee: Steve Loughran
            Priority: Minor


The classes {{ApplicationId}} and {{ApplicationAttemptId}} both have {{newInstance()}} methods tagged as {{@Private}}. Yet they are useful in testing, as the alternative is to create and configure the PBImpl classes -which are significantly more private.

The fact that mapreduce's {{MRBuilderUtils}} uses one of the methods shows that YARN apps do need access to the methods.

Marking them as public would make it clear that other YARN apps were using them for their production or test code, rather than today, where they are used and depended on, yet without the YARN team's knowledge.



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