[jira] Commented: (HBASE-2942) Custom filters should not require registration in HbaseObjectWritable

["stack (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-2942?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12907463#action_12907463 ] 

stack commented on HBASE-2942:
------------------------------

Good on Gary.  Thanks.

> Custom filters should not require registration in HbaseObjectWritable
> ---------------------------------------------------------------------
>
>                 Key: HBASE-2942
>                 URL: https://issues.apache.org/jira/browse/HBASE-2942
>             Project: HBase
>          Issue Type: Bug
>          Components: filters
>            Reporter: Gary Helmling
>            Assignee: Gary Helmling
>            Priority: Minor
>             Fix For: 0.20.7, 0.90.0
>
>         Attachments: HBASE_2942.patch
>
>
> Some of the filter RPC serialization still requires that code -> class mappings be added to HbaseObjectWritable.  FilterList in particular requires this for it's child filters, since it calls HbaseObjectWritable.writeObject() on each.  This makes developing custom filters a big pain, as HbaseObjectWritable must be modified and the hbase core jar re-staged to the cluster.
> We should fix this so that all filters can be written as a class name + data if no code exists.

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