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https://issues.apache.org/jira/browse/HDFS-13578?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16493821#comment-16493821
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Íñigo Goiri commented on HDFS-13578:
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bq. I would lean towards the latter because I think the @ReadOnly annotation is
the most intuitive... Any thoughts?
I also think that @ReadOnly is more general.
I don't think we should tight ourselves to the observable concept here.
+1 on extending the annotation with the active flag.
We should document as much as possible on the interface; most of your comment
should probably be there.
> Add ReadOnly annotation to methods in ClientProtocol
> ----------------------------------------------------
>
> Key: HDFS-13578
> URL: https://issues.apache.org/jira/browse/HDFS-13578
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Chao Sun
> Assignee: Chao Sun
> Priority: Major
> Attachments: HDFS-13578-HDFS-12943.000.patch,
> HDFS-13578-HDFS-12943.001.patch, HDFS-13578-HDFS-12943.002.patch,
> HDFS-13578-HDFS-12943.004.patch
>
>
> For those read-only methods in {{ClientProtocol}}, we may want to use a
> {{@ReadOnly}} annotation to mark them, and then check in the proxy provider
> for observer.
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