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From "Jonathan Hsieh (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7510) RegionTransitionData uses EventType enum index and not the value
Date Mon, 07 Jan 2013 20:44:14 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7510?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13546247#comment-13546247
] 

Jonathan Hsieh commented on HBASE-7510:
---------------------------------------

I think for compatibility, we are stuck with this.  Maybe we can close this out by adding
a comments in the 0.94/0.92 code documenting this unexpected behavior?
                
> RegionTransitionData uses EventType enum index and not the value
> ----------------------------------------------------------------
>
>                 Key: HBASE-7510
>                 URL: https://issues.apache.org/jira/browse/HBASE-7510
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.92.2, 0.94.3
>            Reporter: Matteo Bertozzi
>
> RegionTransitionData.write() uses eventType.ordinal() that is the index in the enum and
not the value specified in the enum definition.
> so, to keep compatibility (e.g. rolling upgrades) we can't add stuff in the middle, remove
or move around EventHand.EventType items.
> This is just a 0.92/0.94 problem. In trunk/protobuf is fixed since we use eventType.getCode()
that returns the assigned value and not the enum index.

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