[jira] Assigned: (HBASE-35) [hbase] Make BatchUpdate public in the API

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

     [ https://issues.apache.org/jira/browse/HBASE-35?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bryan Duxbury reassigned HBASE-35:
----------------------------------

    Assignee: Bryan Duxbury

> [hbase] Make BatchUpdate public in the API
> ------------------------------------------
>
>                 Key: HBASE-35
>                 URL: https://issues.apache.org/jira/browse/HBASE-35
>             Project: Hadoop HBase
>          Issue Type: New Feature
>            Reporter: Bryan Duxbury
>            Assignee: Bryan Duxbury
>         Attachments: 2611-v2.patch, 2611-v3.patch, 2611.patch
>
>
> Today, when you want to interact with a row in HBase, you start an update, make changes, and then commit the lock. This is fine for very simple applications. However, when you try to do things like support table operations as part of a MapReduce job, it becomes more difficult to support.
> I propose that we create a new class, RowMutation (a la the Bigtable paper), which encapsulates a group of actions on a row, and make this available to API consumers. It might look something like:
> {code}
> RowMutation r = table.getMutation(row_key);
> r.setTimestamp(1111);
> r.put(new Text("colfam1:name", value));
> r.delete(new Text("colfam2:deleted"));
> table.commit(r);
> {code}
> This syntax would supercede the existing startUpdate/commit format, which could be deprecated and mapped to a RowMutation behind the scenes. 

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