[hibernate-dev] Fwd: [jsr-303-eg] Make payload optional

[Emmanuel Bernard]

Begin forwarded message:

> From: Emmanuel Bernard <emmanuel.bernard at jboss.com>
> Date:  July 3, 2009 11:58:46  CEDT
> To: Java Community Process JSR #303 Expert List <JSR-303-EG at jcp.org>
> Subject: [jsr-303-eg] Make payload optional
> Reply-To: jsr-303-eg at jcp.org
>
> I was talking to Mike Keith from Oracle the other day and he became  
> concerned at us adding more and more  mandatory attributes to  
> constraint definitions.
>
> He was proposing to make the payload attribute optional. In other  
> words, custom annotations would not have to add this property,  
> though the spec would recommend it and all built-in annotations  
> would have it.
> The idea is to keep life easy for constraint developers.
>
> I am sympathetic to the idea, anybody fiercely against?
>
> PS: Mike was also arguing for making groups optional but I am more  
> reluctant on that, groups has become an important mechanism in BV,  
> so I would keep that mandatory. Thoughts?

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