Github user dan-blanchard commented on the pull request:
https://github.com/apache/storm/pull/1136#issuecomment-191364958
You may want to look at the [Pyleus project's
`MessagePackSerializer`](https://github.com/Yelp/pyleus/blob/64036a8d8ccaa656ddebb3dbd1a7dfb40e15a14a/topology_builder/src/main/java/com/yelp/pyleus/serializer/MessagePackSerializer.java),
because I know they had to add some things in to handle weird edge cases. I'm
not really familiar enough with implementing custom serializers to recognize
why your approach and theirs look rather different.
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