[hibernate-issues] [Hibernate-JIRA] Commented: (OGM-12) Support more GridTypes

[Emmanuel Bernard (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/OGM-12?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=41958#action_41958 ] 

Emmanuel Bernard commented on OGM-12:
-------------------------------------

So you've raised interesting questions. Here is my take on them.

Today we end up serializing "primitive" Java objects. Of course that's not ideal to reach platform independence as these are still actual Java objects. Some work is being done on the Infinispan side to make Hot Rod, the communication protocol, somewhat data gnostic by reusing things like Google Protocol Buffer or equivalent. It might make sense to exploit this work at some point. In an ideal world we would push data into infinispan as platform independent values

I'm not sure that for OGM v1 we want to *properly* address this issue. So it's fine by me if we limit the Java types we end up serializing into the grid to help the future migration if needed. In my opinion, the following are ok:
 - core numeric types (even if that can be subject to discussion)
 - String
 - Boolean
 - Byte
 - byte[]

Any other you can think of?

As for BigInteger / BigDecimal, if we can find a platfgorm agnostic representation in String or something else, that would be interesting. Worse case scenario, we need ot make sur eBigInteger / BigDecimal .toString are properly specified and won't change.

> Support more GridTypes
> ----------------------
>
>                 Key: OGM-12
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/OGM-12
>             Project: Hibernate OGM
>          Issue Type: New Feature
>            Reporter: Emmanuel Bernard
>            Assignee: Nicolas Helleringer
>
> Today we only support basic numeric and string types
> We should support other types like URL, BigDecimal etc

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