No, AutoBean has no mean to support polymorphism, and it specifically 
cannot be used for your use-case.
You can possibly use Splittable, at a lower-level, or Elemental's JSON, JS 
overlays, or JSONObject.

On Saturday, October 13, 2012 12:40:16 PM UTC+2, Andrea Boscolo wrote:
>
> Hi all,
> I am developing an app in which I use (or at least I would like to use) 
> AutoBeans for serializing data. Unfortunately it seems to me that 
> polymorphism is not supported i.e., I lost the concrete type once I 
> deserialize the json in client-side, only the Base supertype is available.
> I looked everywhere but I haven't found some concrete answer, so I hope 
> someone has already faced (and why not, solved) this problem.
> I created a really simple testcase that can be found on 
> https://gist.github.com/3884099
>
> I know AutoBean is behind RequestFactory so I though it supports 
> polymorphism as well. I don't want to rely on RF as I do not need such 
> complexity, I just simply need a way to serialize beans using AutoBean, but 
> polymorphism is a must.
>
> Is is even achievable? Hope someone can help.
>
> Thanks in advance,
> Andrew.
>

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