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From "Aleksandr Shulman (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-10251) Restore API Compat for PerformanceEvaluation.generateValue()
Date Tue, 29 Apr 2014 21:43:15 GMT

    [ https://issues.apache.org/jira/browse/HBASE-10251?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13984841#comment-13984841
] 

Aleksandr Shulman commented on HBASE-10251:
-------------------------------------------

[~ndimiduk], I like the idea of having utility classes that have a compatibility story, from
which the tests (which do not have compatibility considerations) can pull.

> Restore API Compat for PerformanceEvaluation.generateValue()
> ------------------------------------------------------------
>
>                 Key: HBASE-10251
>                 URL: https://issues.apache.org/jira/browse/HBASE-10251
>             Project: HBase
>          Issue Type: Bug
>          Components: Client
>    Affects Versions: 0.99.0
>            Reporter: Aleksandr Shulman
>              Labels: api_compatibility
>
> Observed:
> A couple of my client tests fail to compile against trunk because the method PerformanceEvaluation.generateValue
was removed as part of HBASE-8496.
> This is an issue because it was used in a number of places, including unit tests. Since
we did not explicitly label this API as private, it's ambiguous as to whether this could/should
have been used by people writing apps against 0.96. If they used it, then they would be broken
upon upgrade to 0.98 and trunk.
> Potential Solution:
> The method was renamed to generateData, but the logic is still the same. We can reintroduce
it as deprecated in 0.98, as compat shim over generateData. The patch should be a few lines.
We may also consider doing so in trunk, but I'd be just as fine with leaving it out.
> More generally, this raises the question about what other code is in this "grey-area",
where it is public, is used outside of the package, but is not explicitly labeled with an
AudienceInterface.



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