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https://issues.apache.org/jira/browse/HBASE-880?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12704893#action_12704893
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stack commented on HBASE-880:
-----------------------------

+1 on v5 of the API (allowing that its going to change a little during the 
implementation)

@Holstad

RowResult is a SortedMap.  You can do SortedMap kinda operations on it.  Java 
fellas don't even have to think when it comes to using it.

Regards Result implementing List<KeyValue>, same as above only, more so in this 
case, in its guts, that is what it is.

How its made, I don't care.  You can pass in List<KV> on construction or it 
should probably be a Writable since its going to make the trip across RPC.  

> Improve the current client API by creating new container classes
> ----------------------------------------------------------------
>
>                 Key: HBASE-880
>                 URL: https://issues.apache.org/jira/browse/HBASE-880
>             Project: Hadoop HBase
>          Issue Type: Improvement
>          Components: client
>            Reporter: Jean-Daniel Cryans
>             Fix For: 0.20.0
>
>         Attachments: 880.patch, 880proposal4plus-v2.patch, 
> 880proposal4plus.patch, 880proposal5-v2.patch, 880proposal5-v2.png, 
> 880proposal5.patch, 880proposal5.png, hbase-880-patch.jpg, 
> hbase-880-proposal4.patch, HBASE-880-proposal6-v2.txt, 
> HBASE-880-proposal6-v3.txt, HBASE-880-proposal6-v4.txt, hbase-880-v1.patch, 
> hbase-880-v2.patch, HBASE-880_Design_Doc_v5.pdf, hbase_client_classes.png, 
> NewCilentAPIProposoal4.gif, proposal2.jpg, proposed.jpg
>
>   Original Estimate: 240h
>  Remaining Estimate: 240h
>
> The current API does not scale very well. For each new feature, we have to 
> add many methods to take care of all the overloads. Also, the need to batch 
> row operations (gets, inserts, deletes) implies that we have to manage some 
> "entities" like we are able to do with BatchUpdate but not with the other 
> operations. The RowLock should be an attribute of such an entity.
> The scope of this jira is only to replace current API with another 
> feature-compatible one, other methods will be added in other issues.

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