[rules-users] Access to globals from WorkItemHandlers?
Ed Staub
estaub at telcordia.com
Tue Apr 20 14:15:16 EDT 2010
tolitius wrote:
>
> I don't really understand why would not out of the Drools Flow box mapping
> ( e.g. <mapping type="in" from="databaseCredetials"
> to="databaseCredetials" /> ) work for you.
>
Anatoly,
It would, technically. It's actually a marketing problem that I'm trying to
avoid! We are by no means settled on Drools. There are a lot of horror
stories about rule-engine performance, and Drools in particular. I'm sure
that most of them are based on bad design choices... but I'd like to avoid
any smell of unnecessary rule-engine overhead.
You probably can see where I'm going... in a forward-chaining engine like
Drools, every introduction or mutation of a variable requires matching
against the active rules.
In the context of a normal workflow, I believe that this overhead is
ridiculously trivial in the kind of use-case I've been talking about. But
I'd prefer to avoid the discussion altogether!
-Ed
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