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https://issues.apache.org/jira/browse/FLINK-3002?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15003921#comment-15003921
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Vasia Kalavri commented on FLINK-3002:
--------------------------------------

Maybe I misunderstood you. What I mean is that I cannot do this:

{code}
public class Either<Left, Right> {

        public Either() {

        }

        public Either(Left l) {

        }

        public Either(Right r) {

        }
}
{code}

This gives _Method Either(Right) has the same erasure Either(Object) as another 
method in type Either<Left,Right>_.
Did you mean something else?

> Add an EitherType to the Java API
> ---------------------------------
>
>                 Key: FLINK-3002
>                 URL: https://issues.apache.org/jira/browse/FLINK-3002
>             Project: Flink
>          Issue Type: New Feature
>          Components: Java API
>    Affects Versions: 0.10
>            Reporter: Stephan Ewen
>            Assignee: Vasia Kalavri
>             Fix For: 1.0
>
>
> Either types are recurring patterns and should be serialized efficiently, so 
> it makes sense to add them to the core Java API.
> Since Java does not have such a type as of Java 8, we would need to add our 
> own version.
> The Scala API handles the Scala Either Type already efficiently. I would not 
> use the Scala Either Type in the Java API, since we are trying to get the 
> {{flink-java}} project "Scala free" for people that don't use Scala and o not 
> want to worry about Scala version matches and mismatches.



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