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https://issues.apache.org/jira/browse/HADOOP-4185?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12646732#action_12646732
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Doug Cutting commented on HADOOP-4185:
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> how about putting it to a new interface, say Checksumable
If any FileSystem might implement this interface then I don't see how this is
functionally different than adding this to FileSystem.java. It just adds ugly
code whenever you call setVerifyChecksum. Casting and 'instanceof' are
indications of poor object modeling. Sometimes they're required, but we
shouldn't use them except as a last resort.
> Add setVerifyChecksum() method to FileSystem
> --------------------------------------------
>
> Key: HADOOP-4185
> URL: https://issues.apache.org/jira/browse/HADOOP-4185
> Project: Hadoop Core
> Issue Type: Sub-task
> Components: fs
> Reporter: Tom White
> Assignee: Sharad Agarwal
> Attachments: 4185_v1.patch
>
>
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