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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-3802) StartupOption.name in HdfsServerConstants should be final
Date Wed, 15 Aug 2012 08:12:38 GMT

     [ https://issues.apache.org/jira/browse/HDFS-3802?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tsz Wo (Nicholas), SZE updated HDFS-3802:
-----------------------------------------

       Resolution: Fixed
    Fix Version/s: 2.2.0-alpha
           Status: Resolved  (was: Patch Available)

I have committed this.  Thanks, Jing!
                
> StartupOption.name in HdfsServerConstants should be final
> ---------------------------------------------------------
>
>                 Key: HDFS-3802
>                 URL: https://issues.apache.org/jira/browse/HDFS-3802
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Jing Zhao
>            Assignee: Jing Zhao
>            Priority: Trivial
>             Fix For: 2.2.0-alpha
>
>         Attachments: HDFS-3802.patch
>
>
> In HdfsServerConstants, it may be better to define StartupOption.name as final since
it will not and should not be modified after initialization. For example, in NameNode.java,
the printUsage function prints out multiple startup options' names. The modification/change
of the StartupOption.name may cause invalid usage message. Although right now there is no
methods to change/set the value of StartupOption.name, it is better to add the final keyword
to make sure.

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