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From "Akira AJISAKA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9769) Remove org.apache.hadoop.fs.Stat when JDK6 support is dropped
Date Wed, 20 May 2015 06:17:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9769?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14551887#comment-14551887
] 

Akira AJISAKA commented on HADOOP-9769:
---------------------------------------

Thanks [~sekikn] for taking this issue.
* I'm thinking we can remove {{Stat.isAvailable}} since {{Stat.getFileStatus}} is available
from all platforms.
* In addition, {{Stat}} can be removed and {{Stat.getFileStatus}} can be moved into {{RawLocalFileSystem}}.

> Remove org.apache.hadoop.fs.Stat when JDK6 support is dropped
> -------------------------------------------------------------
>
>                 Key: HADOOP-9769
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9769
>             Project: Hadoop Common
>          Issue Type: Improvement
>    Affects Versions: 3.0.0
>            Reporter: Andrew Wang
>            Assignee: Kengo Seki
>            Priority: Minor
>         Attachments: HADOOP-9769.001.patch
>
>
> HADOOP-9652 introduces a new class which shells out to stat(1) because of the lack of
lstat(2) in Java 6. Java 7 has support for reading symlink targets via {{Files#readSymbolicLink}}.
> When Hadoop drops Java 6 support, let's use this more portable method instead.
> See:
> http://docs.oracle.com/javase/7/docs/api/java/nio/file/Files.html#readSymbolicLink(java.nio.file.Path)



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