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https://issues.apache.org/jira/browse/HBASE-11757?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14099105#comment-14099105
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Matteo Bertozzi commented on HBASE-11757:
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{quote}Copying default methods into a common abstract base is all I have in
mind. At least maintaining consistency among some duplicated code would fall on
us rather than unfortunate CP implementors.{quote}
ok, unless anyone else have a better idea I'm going with copying the code.
Do you prefer having the abstract class implementing both interfaces and
copying both BaseMasterObserver and BaseRegionObserver in, or extending for
example BaseRegionObserver and implementing MasterObserver like the visibility
controller does?
> Provide a common base abstract class for both RegionObserver and
> MasterObserver
> -------------------------------------------------------------------------------
>
> Key: HBASE-11757
> URL: https://issues.apache.org/jira/browse/HBASE-11757
> Project: HBase
> Issue Type: Improvement
> Reporter: Andrew Purtell
> Fix For: 0.99.0, 2.0.0, 0.98.6
>
>
> Some security coprocessors extend both RegionObserver and MasterObserver,
> unfortunately only one of the two can use the available base abstract class
> implementations. Provide a common base abstract class for both the
> RegionObserver and MasterObserver interfaces. Update current coprocessors
> that extend both interfaces to use the new common base abstract class.
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