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https://issues.apache.org/jira/browse/HADOOP-2381?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12551087
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Raghu Angadi commented on HADOOP-2381:
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>Also, I don't understand the comment 'null in case of error'. If the default
>value is non-null, and the setter does not permit setting to a null value,
>then the value could never be null. Wouldn't that be better?
I don't have strong opinion either side. Question Nicholas raised was how does
user know if there was some error in getting these values? Two options I could
think of were null return or IOException. Another option could be to add a
error flag that a user can check if required. Let me know.
> I don't understand why 'loadPermission' is required.
This is strictly not required. I don't see the extra burden on base class
either (apart from check for null). Sure, we can change it to using a flag and
make the set methods not permit null.
> Support permission information in FileStatus
> --------------------------------------------
>
> Key: HADOOP-2381
> URL: https://issues.apache.org/jira/browse/HADOOP-2381
> Project: Hadoop
> Issue Type: New Feature
> Components: fs
> Affects Versions: 0.15.0
> Reporter: Tsz Wo (Nicholas), SZE
> Assignee: Raghu Angadi
> Fix For: 0.16.0
>
> Attachments: 2381_20071207.patch, HADOOP-2381.patch,
> HADOOP-2381.patch, HADOOP-2381.patch
>
>
> In HADOOP-2288, FileSystem API is changed to support access control.
> FileStatus should also be changed to support permission information.
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