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https://issues.apache.org/jira/browse/HDFS-3322?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13262993#comment-13262993
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Tsz Wo (Nicholas), SZE commented on HDFS-3322:
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> Is it possible to update the method signature to require HdfsDataInputStream
> args instead of using instanceof and casts?
Since reportChecksumFailure(..) is already deprecated, let leave it as-is and
remove it later.
> Although not touched in this patch, I'm just curious why HdfsDataInputStream
> repeatedly casts its stream to DFSInputStream when the ctor takes a
> DFSInputStream?
It is because "in" is declared in java.io.FilterInputStream as an InputStream.
> Update file context to use HdfsDataInputStream and HdfsDataOutputStream
> -----------------------------------------------------------------------
>
> Key: HDFS-3322
> URL: https://issues.apache.org/jira/browse/HDFS-3322
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Tsz Wo (Nicholas), SZE
> Assignee: Tsz Wo (Nicholas), SZE
> Attachments: h3322_20120425.patch
>
>
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