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From "madhukara phatak (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-8549) Allow other implementation's of java.util.Map in MapWritable
Date Tue, 03 Jul 2012 09:16:19 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-8549?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

madhukara phatak updated HADOOP-8549:
-------------------------------------

    Status: Patch Available  (was: Open)
    
> Allow other implementation's of java.util.Map in MapWritable
> ------------------------------------------------------------
>
>                 Key: HADOOP-8549
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8549
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: io
>    Affects Versions: 2.0.0-alpha
>            Reporter: madhukara phatak
>            Assignee: madhukara phatak
>            Priority: Minor
>         Attachments: HADOOP-8549.patch
>
>
> Current implementation of MapWritable uses HashMap as Map implementation. But in some
of the use cases we need other implementations of Map like LinkedHashMap,SortedMap.This jira
changes visibility of 'instance' in MapWritable from private to protected which allows us
to inject custom Map implementation through sub classing MapWritable  .  

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