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Posted to dev@hbase.apache.org by "Viraj Jasani (Jira)" <ji...@apache.org> on 2021/04/15 18:14:00 UTC

[jira] [Resolved] (HBASE-25776) Use Class.asSubclass to fix the warning in StochasticLoadBalancer.loadCustomCostFunctions

     [ https://issues.apache.org/jira/browse/HBASE-25776?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Viraj Jasani resolved HBASE-25776.
----------------------------------
    Fix Version/s: 2.3.6
                   2.4.3
                   2.5.0
                   3.0.0-alpha-1
     Hadoop Flags: Reviewed
       Resolution: Fixed

Thanks for the contribution [~xiaoyu].

> Use Class.asSubclass to fix the warning in StochasticLoadBalancer.loadCustomCostFunctions
> -----------------------------------------------------------------------------------------
>
>                 Key: HBASE-25776
>                 URL: https://issues.apache.org/jira/browse/HBASE-25776
>             Project: HBase
>          Issue Type: Improvement
>          Components: Balancer
>            Reporter: Duo Zhang
>            Assignee: Xiao Yu
>            Priority: Minor
>              Labels: beginner, trivial
>             Fix For: 3.0.0-alpha-1, 2.5.0, 2.4.3, 2.3.6
>
>
> {code}
>  klass = (Class<? extends CostFunction>) Class.forName(c);
> {code}
> This will generated  a warning of unchecked casting, could simply use Class.forName(c).asSubclass(CostFunction.class).



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