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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