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https://issues.apache.org/jira/browse/HBASE-22108?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16806727#comment-16806727
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Duo Zhang commented on HBASE-22108:
-----------------------------------
Fix the checkstyle issues. The javac warning is not introduced by this patch,
can be fixed in a separated issue.
> Avoid passing null in Admin methods
> -----------------------------------
>
> Key: HBASE-22108
> URL: https://issues.apache.org/jira/browse/HBASE-22108
> Project: HBase
> Issue Type: Task
> Components: Admin
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Priority: Major
> Fix For: 3.0.0, 2.2.0, 2.3.0
>
> Attachments: HBASE-22108-v1.patch, HBASE-22108.patch
>
>
> For some methods we must pass null if we want specific behaviors, for
> example, move region to a random server, split region without providing an
> explicit split point, etc.
> We should provide methods without some parameters so user do not need to pass
> null.
> So in the future users do not need to guess whether a method accept null
> parameters, the answer is always no.
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