[jira] [Assigned] (HBASE-4347) Remove duplicated code from Put, Delete, Get, Scan, MultiPut

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

     [ https://issues.apache.org/jira/browse/HBASE-4347?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Lars Hofhansl reassigned HBASE-4347:
------------------------------------

    Assignee: Lars Hofhansl

> Remove duplicated code from Put, Delete, Get, Scan, MultiPut
> ------------------------------------------------------------
>
>                 Key: HBASE-4347
>                 URL: https://issues.apache.org/jira/browse/HBASE-4347
>             Project: HBase
>          Issue Type: Improvement
>          Components: util
>    Affects Versions: 0.92.0
>            Reporter: Lars Hofhansl
>            Assignee: Lars Hofhansl
>            Priority: Minor
>             Fix For: 0.92.0
>
>         Attachments: 4347-v2.txt, 4347-v3.txt, 4347.txt
>
>
> This came from discussion with Stack w.r.t. HBASE-2195.
> There is currently a lot of duplicated code especially between Put and Delete, and also between all Operations.
> For example all of Put/Delete/Get/Scan have attributes with exactly the same code in all classes.
> Put and Delete also have the familyMap, Row, Rowlock, Timestamp, etc.
> One way to do this is to introduce "OperationWithAttributes" which extends Operation, and have Put/Delete/Get/Scan extend that rather than Operation.
> In addition Put and Delete could extends from Mutation (which itself would extend OperationWithAttributes).
> If a static inheritance hierarchy is not desired here, we can use delegation.

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