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From "Jim Kellerman (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HBASE-765) Adding basic Spring DI support to IndexConfiguration class.
Date Thu, 21 Aug 2008 23:18:46 GMT

     [ https://issues.apache.org/jira/browse/HBASE-765?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Jim Kellerman updated HBASE-765:

    Fix Version/s:     (was: 0.18.0)

> Adding basic Spring DI support to IndexConfiguration class.
> -----------------------------------------------------------
>                 Key: HBASE-765
>                 URL: https://issues.apache.org/jira/browse/HBASE-765
>             Project: Hadoop HBase
>          Issue Type: Improvement
>          Components: mapred
>    Affects Versions: 0.16.0, 0.1.0, 0.1.1, 0.1.2, 0.1.3
>         Environment: n/a
>            Reporter: Ryan Smith
>            Priority: Minor
>             Fix For: 0.2.1, 0.19.0
>   Original Estimate: 0.33h
>  Remaining Estimate: 0.33h
> Spring can configure classes/object graphs via xml.  I am pretty much able to configure
the entire MR object graph to launch MR jobs via spring except class IndexConfiguration.java.
So instead of only using addFromXML() to configure IndexConfiguration, it would be nice to
add support so Spring could set all class variables needed for initialization in IndexConfiguration
without invoking addFromXML().  
> Since the class IndexConfiguration already has setters and getters for almost all its
members, it's almost compliant for a spring configuration bean except one issue: no ability
to configure columnMap outside of calling addFromXML().  The easiest way i can figure is to
allow a setter for the column map and put any logic for checking the map integrity there.
 By adding a few methods to IndexConfiguration.java , it should solve the issue.
> I will be submitting a patch for it here shortly.....
> EDIT: after further review, there are 2 more classes that are using addFromXML()
> IndexOutputFormat and IndexTableReduce use the xml string to configure the indexconfig
> I will have to modify these 3 classes so I will be developing the patch over this week,
maybe next week too.

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