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https://issues.apache.org/jira/browse/DAFFODIL-2797?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Josh Adams updated DAFFODIL-2797:
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Fix Version/s: 3.10.0
> Make Runner final
> -----------------
>
> Key: DAFFODIL-2797
> URL: https://issues.apache.org/jira/browse/DAFFODIL-2797
> Project: Daffodil
> Issue Type: Improvement
> Components: Clean Ups
> Reporter: John Interrante
> Assignee: Mike Beckerle
> Priority: Trivial
> Fix For: 4.0.0, 3.10.0
>
>
> We have hundreds of Test*.scala files in Daffodil, each with at least one
> 'val runner' constructing a test suite from a TDML file. IDEA has warnings
> in all of these files saying that we need explicit type declarations for
> these runners. However, no user ever extends the Runner class so we could
> make Runner a final class, which would eliminate all of these warnings in
> IDEA. Scala has ways to let users extend even final classes like String so I
> am not worried about preventing users from doing something with Runner.
> We also could look for other Daffodil classes which cause similar IDEA
> warnings and make them final too if they are unlikely to ever be subclassed.
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