Hi, Have you looked at [1]? You can annotate your type and provide a type info factory. The factory would be used to create the TypeInformation for that type, and in turn create the serializer used for that type.
[1] https://ci.apache.org/projects/flink/flink-docs-release-1.7/dev/types_serialization.html#defining-type-information-using-a-factory -- Sent from: http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/
