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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-17312) [JDK8] Use default method for Observer Coprocessors
Date Thu, 16 Feb 2017 05:55:41 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17312?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15869282#comment-15869282
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stack commented on HBASE-17312:
-------------------------------

[~appy] Want to describe what CPs will have to do to move to hbase-2.0.0, the one line change
(or [~zghaobac]?)

> [JDK8] Use default method for Observer Coprocessors
> ---------------------------------------------------
>
>                 Key: HBASE-17312
>                 URL: https://issues.apache.org/jira/browse/HBASE-17312
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Coprocessors
>    Affects Versions: 2.0.0
>            Reporter: Guanghao Zhang
>            Assignee: Guanghao Zhang
>         Attachments: HBASE-17312.master.001.patch, HBASE-17312.master.001.patch
>
>
> Use default method in MasterObserver, RegionObserver, RegionServerObserver and WALObserver.
And mark the BaseRegionObserver, BaseMasterAndRegionObserver, BaseRegionServerObserver and
BaseWALObserver. User can implement the interface directly and will not break compatibility
when add new default methods.



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