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From "Chia-Ping Tsai (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-19112) Suspect methods on Cell to be deprecated
Date Wed, 29 Nov 2017 20:31:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-19112?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16271496#comment-16271496
] 

Chia-Ping Tsai commented on HBASE-19112:
----------------------------------------

A hypothetical design for the future is shown below.
*Cell* (a general read-only interface for all stores. exposed on user/client side) 
<---- *RawCell* (a read-only interface for LSM store. exposed to cp user)
<<---- *ExtendedCell* (a modifiable interface for LSM store. inner use)
<<<---- *KeyValue*/*Bytebuffer* (The cell impl of LSM store)
<---- *XXXCell* (a read-only interface for XXX store. exposed to cp user)
<<---- *ExtendedXXXCell* (a modifiable interface for XXX store. inner use)
<<<---- *XXX* (The cell impl of XXX store)



> Suspect methods on Cell to be deprecated
> ----------------------------------------
>
>                 Key: HBASE-19112
>                 URL: https://issues.apache.org/jira/browse/HBASE-19112
>             Project: HBase
>          Issue Type: Bug
>          Components: Client
>            Reporter: Josh Elser
>            Assignee: ramkrishna.s.vasudevan
>            Priority: Blocker
>             Fix For: 2.0.0-beta-1
>
>         Attachments: HBASE-19112_branch-2.patch
>
>
> [~chia7712] suggested on the [mailing list|https://lists.apache.org/thread.html/e6de9af26d9b888a358ba48bf74655ccd893573087c032c0fcf01585@%3Cdev.hbase.apache.org%3E]
that we have some methods on Cell which should be deprecated for removal:
> * {{#getType()}}
> * {{#getTimestamp()}}
> * {{#getTag()}}
> * {{#getSequenceId()}}
> Let's make a pass over these (and maybe the rest) to make sure that there aren't others
which are either implementation details or methods returning now-private-marked classes.



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