[jira] [Created] (HADOOP-13736) Change PathMetadata to hold S3AFileStatus instead of FileStatus.

["Lei (Eddy) Xu (JIRA)" <ji...@apache.org>]

Lei (Eddy) Xu created HADOOP-13736:
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             Summary: Change PathMetadata to hold S3AFileStatus instead of FileStatus.
                 Key: HADOOP-13736
                 URL: https://issues.apache.org/jira/browse/HADOOP-13736
             Project: Hadoop Common
          Issue Type: Sub-task
            Reporter: Lei (Eddy) Xu
            Assignee: Lei (Eddy) Xu


{{S3AFileStatus}} is implemented differently with {{FileStatus}}, for instance {{S3AFileStatus#isEmptyDirectory()}} is not implemented in {{FileStatus()}}. And {{access_time}}, {{block_replication}}, {{owner}}, {{group}} and a few other fields are not meaningful in {{S3AFileStatus}}.  

So in the scope of {{S3guard}}, it should use {{S3AFileStatus}} in  instead of {{FileStatus}} in {{PathMetadaa}} to avoid casting the types back and forth in S3A. 



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