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https://issues.apache.org/jira/browse/HDFS-12681?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16210095#comment-16210095
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Chris Douglas commented on HDFS-12681:
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Applications using {{instanceof}} to determine if the {{FileStatus}} instance
contains locations may be affected. Most should be distinguished by the caller.
> Fold HdfsLocatedFileStatus into HdfsFileStatus
> ----------------------------------------------
>
> Key: HDFS-12681
> URL: https://issues.apache.org/jira/browse/HDFS-12681
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Chris Douglas
> Priority: Minor
>
> {{HdfsLocatedFileStatus}} is a subtype of {{HdfsFileStatus}}, but not of
> {{LocatedFileStatus}}. Conversion requires copying common fields and shedding
> unknown data. It would be cleaner and sufficient for {{HdfsFileStatus}} to
> extend {{LocatedFileStatus}}.
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