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https://issues.apache.org/jira/browse/HDFS-10683?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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John Zhuge updated HDFS-10683:
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Attachment: HDFS-10683.001.patch
Patch 001:
* Make class {{Token$PrivateToken}} private
* Add method {{Token#privateClone}} to create a private clone of a public token
* Replace all {{instanceof Token.PrivateToken}} and typecasting with polymophic
methods
> Make class Token$PrivateToken private
> -------------------------------------
>
> Key: HDFS-10683
> URL: https://issues.apache.org/jira/browse/HDFS-10683
> Project: Hadoop HDFS
> Issue Type: Improvement
> Affects Versions: 3.0.0-alpha2
> Reporter: John Zhuge
> Assignee: John Zhuge
> Priority: Minor
> Attachments: HDFS-10683.001.patch
>
>
> Avoid {{instanceof}} or typecasting of {{Toke.PrivateToken}} by introducing
> an interface method in {{Token}}. Make class {{Toke.PrivateToken}} private.
> Use a factory method instead.
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