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https://issues.apache.org/jira/browse/HDFS-13578?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16489963#comment-16489963
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Íñigo Goiri commented on HDFS-13578:
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The annotation I think can be checked.
It's a static definition so you could get the annotation and do something like
[this|https://stackoverflow.com/questions/20192552/get-value-of-a-parameter-of-an-annotation-in-java].
That being said, a comment/documentation is fine with me; however, this seems
the right "Java way" to do this.
> 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
>
>
> 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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