Hmmm, to be honest, I don't know :/

I fear although you can add the evaluator in DRL (or DSL), e.g. "when MyFact( aField myUberEvaluator[bField] )" it will fail to compile in Guvnor, as we don't do anything explicit around custom evaluators (i.e. look for a drools.packagebuilder.conf file etc). HOWEVER we don't do anything explicitly to prevent their use either. So if the file is on a classpath that is scanned by Drools Expert (that Guvnor uses to build the binary package) it COULD work out of the box.

A great opportunity for some community feedback :)

With kind regards,

Mike

On 14 May 2012 16:22, Matteo Cusmai <cusmaimatteo@gmail.com> wrote:
Hi Micheal,
we are going to extend drools with spatio evaluators, so we need to use them.
Are you sure that we cannot use custom evaluator by using DRL or DSL in GUVNOR?

And if yes, do you foresee to add support for custom evaluator in GUVNOR?

Thanks a lot,
Matteo.


On Mon, May 14, 2012 at 5:02 PM, Michael Anstis <michael.anstis@gmail.com> wrote:
Guvnor doesn't support use of custom Drools Evaluators at this time.

However, if you mean to more simply use with Drools Expert then this might be of assistance.

With kind regards,

Mike

On 14 May 2012 15:50, Carolina Pellecchia <carolina.pellecchia@gmail.com> wrote:

Hi all

I am novice on GUVNOR/DROOLS, but I  defined some Drools Evaluator functions and to make the function available to the rules engine I inserted drools.packagebuilder.conf  into user home directory. Is there different directory to do this?

 

Thank you in advance,

Carolina Pellecchia


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