Andy Mei wrote:
Hi Edson,
This is exactly what I am looking for, thanks!
One comment, is it possible to expand on list of operators Drools
support? Better yet, make it plugable just like EvaluatorDefinition.
Not yet, this is something we want, but our current approach to using
antlr has limited our flexability there. We would need to rewrite the
grammar, using an antlr-tree parser, then we should be able to have
user definable list of operators.
what you are using there is a return value constraint, to the engine
its effectively a black box, and is evaluated by the chosen dialect;
mvel or java. So if you want ot be able to do that type of arithmetic,
work with the MVEL author to make sure its incuded in his engine.
I love the project, keep up the good work. I am negotiating with
management to purchase support contract from Redhat.
great :)
Andy
On Dec 19, 2007 6:26 PM, Edson Tirelli
<
tirelli@post.com>
wrote:
Andy,
I just added support for that in trunk (drools-4.1.0.SNAPSHOT).
Although trunk is a work in progress, you are welcome to try it out and
check if it meets your needs and provide feedback. Look for the
interface: org.drools.base.evaluators.EvaluatorDefinition and its
subclasses as examples.
[]s
Edson
2007/12/19, Andy Mei <
andy.d.mei@gmail.com >:
Hi,
Is there a way I could register my own custom EvaluatorFactory?
Drools ships with DateFactory what compares only dates, but no time
is included. I would like to compare time as well.
I see that it would be very helpful to include capability to register
custom EvaluatorFactory.
Thanks.
Andy
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JBoss Drools Core Development
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