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https://issues.apache.org/jira/browse/BEAM-1918?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kenneth Knowles closed BEAM-1918.
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       Resolution: Won't Fix
         Assignee: Kenneth Knowles
    Fix Version/s: Not applicable

> a BasicDoFn with abstract methods
> ---------------------------------
>
>                 Key: BEAM-1918
>                 URL: https://issues.apache.org/jira/browse/BEAM-1918
>             Project: Beam
>          Issue Type: Wish
>          Components: sdk-java-core
>            Reporter: Xu Mingmin
>            Assignee: Kenneth Knowles
>            Priority: Major
>              Labels: newbie, starter
>             Fix For: Not applicable
>
>
> {{DoFn}} use annotations to define the methods, which is not quite 
> straight-forward. A {{BasicDoFn}} with default methods, or define as 
> abstract, can benefit developers:
> 1. direct view of method descriptor;
> 2. avoid incorrect methods during run-time;
>  



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