[Seaside] object validation pattern?

Paul DeBruicker pdebruic at gmail.com
Mon Oct 15 16:30:43 UTC 2012

The VW validation framework discussed in this paper is MIT licensed but 
hasn't yet been ported to Pharo:


The framework is the 'Assessments' package (parcel?) by Andres Valoud.

On 10/15/2012 07:39 AM, sergio_101 wrote:
> hey, all..
> i was wondering what the current best practice is for handling object
> validation..
> how do we define if an object is valid, and if not, what happens to
> that object?
> with my current day job framework, the validity of an item is directly
> tied to the model. if you try to save an invalid object, it fails.
> i know we can use magritte for this,  but this seems a little heavy
> weight of a solution for something i need at all times.
> is there a best practice or anything on how to handle this?
> thanks!

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