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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-12556) Create a golden file for testing client API source/binary compatibility
Date Sat, 22 Nov 2014 01:05:34 GMT

    [ https://issues.apache.org/jira/browse/HBASE-12556?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14221678#comment-14221678
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Andrew Purtell commented on HBASE-12556:
----------------------------------------

We also might have error-prone (HBASE-12187) at our disposal. There we are waiting at HBASE-12349
on a new release of the tool that would make extension easy. (But if that doesn't materialize
we can fork it.) Could bail on "unapproved" changes to public APIs or classes that they depend
on. To be defined how that status is determined and changes are approved. 


> Create a golden file for testing client API source/binary compatibility
> -----------------------------------------------------------------------
>
>                 Key: HBASE-12556
>                 URL: https://issues.apache.org/jira/browse/HBASE-12556
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Client
>            Reporter: Enis Soztutar
>            Assignee: Enis Soztutar
>             Fix For: 0.99.2
>
>
> [~lhofhansl] had a suggestion (in some other jira I forgot) for doing a golden file for
the HBase API so that we can compare between releases to ensure that we are keeping source
and binary compatibility as defined in this document : https://docs.google.com/document/d/1p5pP7v2OuzSSaomK2S2v7sfKky1Hex6OqwsJO0sZTUY/edit

> I think we can generate a file, commit it to the repo, and create a unit test to check
whether any API's are broken. Adding new InterfaceAudience.Public interfaces has to modify
this file so that it becomes an explicit decision. 
> The downside is that we have to modify the file every time we add a new API, but it should
be fine since it will force us to think more before committing to supporting new interfaces
within the same major versions. 



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