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https://issues.apache.org/jira/browse/HBASE-18169?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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stack resolved HBASE-18169.
---------------------------
Resolution: Fixed
Release Note:
Refactor of Coprocessor API for hbase2. Purged methods that exposed too much of
our internals. Other hooks were recast so they no longer took or returned
internal classes; instead we pass Interfaces or read-only versions of
implementations.
Here is some overview doc on changes in hbase2 for Coprocessors including
detail on why the change was made:
https://docs.google.com/document/d/10cabwp_aR3OmpHVoeh544YLC3KwqMD9KiTIrHZAmfec/edit#heading=h.7swwa1jl6wiw
Resolving as done, done for hbase2 at least. I filled in a Release Note that
tries to capture the philosophy applied making this refactor.
> Coprocessor fix and cleanup before 2.0.0 release
> ------------------------------------------------
>
> Key: HBASE-18169
> URL: https://issues.apache.org/jira/browse/HBASE-18169
> Project: HBase
> Issue Type: Improvement
> Components: Coprocessors
> Affects Versions: 2.0.0-alpha-1
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Priority: Blocker
> Fix For: 2.0.0-beta-1
>
>
> As discussed in HBASE-18038. In RegionServerServices, Region and StoreFile
> interfaces we expose too many unnecessary methods. We need to find a way to
> not expose these methods to CP.
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