check MapperExtensions, u have pre+post ins/upd/del hooks there. 
u may or may not have a mapper for the log-table.

On Friday 22 February 2008 21:21:52 Marco De Felice wrote:
> Hi
> I'm thinking about a simple client side table audit with SA. Given
> the audit log pattern: http://martinfowler.com/ap2/auditLog.html
> wouldn't it be simple to adapt it to a mapped class?
> I was thinking of a log() function inside the mapped class that if
> called saves data into a second table (could it be in a distinct
> log database?) with the same columns + timestamp and current user
> columns. Is there a way to automate this function at the orm level
> without defining additional mappers?
>
> I'm sorry for the vagueness but I'm really just beginning to
> explore this. Thanks all

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