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https://issues.apache.org/jira/browse/HBASE-7405?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13537682#comment-13537682
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stack commented on HBASE-7405:
------------------------------

These look generic DD:

+message EmptyMsg {
+}
+
+message LongMsg {
+  required int64 longMsg = 1;
+}

Especially the first.  Maybe belongs in hbase.proto?

What is going on here?


-  public <R, S> R max(final byte[] tableName, final ColumnInterpreter<R, S> ci,
+  public <R, S, P extends Message, Q extends Message, T extends Message> 
+  R max(final byte[] tableName, final ColumnInterpreter<R, S, P, Q, T> ci,

We have more args P, Q, and T.  They extend Message.  But I only see Q in the 
below change in the method:

+                ByteString b = response.getFirstPart(0);
+                Q q = getCellMsgInstance(ci, b);
+                return ci.getCellValueFromProto(q);


Others use T and S.  Are the added args doc'd?

The patch looks good but I'm not sure on what we are getting if we commit.  
Thanks DD.

Pardon my being thick.
                
> Enforce PB ser/de for Aggregate protocol and associated ColumnInterpreter 
> user code bits
> ----------------------------------------------------------------------------------------
>
>                 Key: HBASE-7405
>                 URL: https://issues.apache.org/jira/browse/HBASE-7405
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Coprocessors, Protobufs
>            Reporter: Devaraj Das
>            Assignee: Devaraj Das
>             Fix For: 0.96.0
>
>         Attachments: 7405-1.patch, 7405-2.patch
>
>
> Enforce PB ser/de for Aggregate protocol and associated ColumnInterpreter 
> user code bits

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