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https://issues.apache.org/jira/browse/FLINK-1962?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14541635#comment-14541635
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PJ Van Aeken commented on FLINK-1962:
-------------------------------------
I suspect the casting in this line does not change the TypeClass to type T but
keeps it at org.apache.flink.api.java.tuple.Tuple
new TupleTypeInfo[org.apache.flink.api.java.tuple.Tuple](fields:
_*).asInstanceOf[TypeInformation[T]]
So I end up with a Tuple2 dataset and a Tuple3 dataset in my java Graph, rather
than Edge and Vertex. Somewhere in the translation it loses notion of the
subclass and only retains the super class, and I think it is in the line above.
> Add Gelly Scala API
> -------------------
>
> Key: FLINK-1962
> URL: https://issues.apache.org/jira/browse/FLINK-1962
> Project: Flink
> Issue Type: Task
> Components: Gelly, Scala API
> Affects Versions: 0.9
> Reporter: Vasia Kalavri
>
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