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Posted to dev@reef.apache.org by "Sergiy Matusevych (JIRA)" <ji...@apache.org> on 2017/10/19 01:57:00 UTC

[jira] [Created] (REEF-1907) Use proper generic parameters in HandlerContainer

Sergiy Matusevych created REEF-1907:
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             Summary: Use proper generic parameters in HandlerContainer
                 Key: REEF-1907
                 URL: https://issues.apache.org/jira/browse/REEF-1907
             Project: REEF
          Issue Type: Improvement
          Components: Wake
            Reporter: Sergiy Matusevych
            Assignee: Sergiy Matusevych
            Priority: Minor


{{HandlerContainer<T>}} internally uses a map from classes to corresponding event handlers. It refers the event handlers as {{EventHandler<? extends T>}}, which is wrong. Proper type signature must be {{EventHandler<? super T>}}. We need to fix it and use correct generic types wherever possible.



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