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Posted to notifications@accumulo.apache.org by "Christopher Tubbs (JIRA)" <ji...@apache.org> on 2016/07/22 01:51:20 UTC

[jira] [Created] (ACCUMULO-4385) Fix warning about type safety in CachableBlockFile

Christopher Tubbs created ACCUMULO-4385:
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             Summary: Fix warning about type safety in CachableBlockFile
                 Key: ACCUMULO-4385
                 URL: https://issues.apache.org/jira/browse/ACCUMULO-4385
             Project: Accumulo
          Issue Type: Task
          Components: core
            Reporter: Christopher Tubbs
            Assignee: Christopher Tubbs
            Priority: Trivial
             Fix For: 1.6.6, 1.7.3, 1.8.0


It looks like {{CacheableBlock}} in {{CachableBlockFile}} has a generic method which overrides a superclass's generic method.

Type safety cannot be guaranteed by the compiler, because it cannot guarantee that the generic parameters of the subclass conform to the generic parameters of the superclass.

I'm not sure this is avoidable, and in any case doesn't appear to be a problem in this particular case.

We can just suppress this particular warning.



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