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From "HondaWei (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6766) *AppsBlock classes need a printOrNA() helper method
Date Sat, 19 Aug 2017 05:05:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-6766?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16133958#comment-16133958
] 

HondaWei commented on YARN-6766:
--------------------------------

Hi Daniel , I would like to take this task, thank you very much!

> *AppsBlock classes need a printOrNA() helper method
> ---------------------------------------------------
>
>                 Key: YARN-6766
>                 URL: https://issues.apache.org/jira/browse/YARN-6766
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: webapp
>    Affects Versions: 2.8.1, 3.0.0-alpha3
>            Reporter: Daniel Templeton
>            Priority: Minor
>              Labels: newbie
>
> The various {{*AppsBlock}} classes are riddled with statements like:
> {code}.append(appInfo.getReservedVCores() == -1 ? "N/A" : String.valueOf(appInfo.getReservedVCores())){code}
> The code would be much cleaner if there were a utility method for that operation, e.g.:
> {code}.append(printData(appInfo.getReservedCores())){code}



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