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Posted to common-dev@hadoop.apache.org by "Doug Cutting (JIRA)" <ji...@apache.org> on 2007/07/17 00:25:04 UTC

[jira] Updated: (HADOOP-1620) FileSystem should have fewer abstract methods

     [ https://issues.apache.org/jira/browse/HADOOP-1620?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Doug Cutting updated HADOOP-1620:
---------------------------------

    Attachment: 1620.patch

> FileSystem should have fewer abstract methods
> ---------------------------------------------
>
>                 Key: HADOOP-1620
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1620
>             Project: Hadoop
>          Issue Type: Improvement
>            Reporter: Doug Cutting
>             Fix For: 0.14.0
>
>         Attachments: 1620.patch
>
>
> The FileSystem API has a number of abstract methods that are implemented identically on all but one FileSystem implementation.  These should instead have a default implementation, with one subclass overridding that implementation.  Fewer abstract methods makes it easier to write new FileSystem implementations.

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