[rules-users] Guvnor - How to define custom accumulate function

[Michael Neale]

OK I created a JIRA for that https://jira.jboss.org/jira/browse/JBRULES-1907

And fixed it - so in a future version you should just add that
properties or conf file (as long as its .properties or .conf its ok)
and it should be included in the package configuration.

On Tue, Dec 30, 2008 at 9:38 AM, Srinivasan Muthu
<srinivasanm at vmware.com> wrote:
> I have a custom accumulate function written in java which I use in my rules.
> To make this work in eclipse, I had to define this function in
> drools.packagebuilder.conf file and put that in the root of the project.
>
>
>
> Drools.packagebuilder.conf file content:
>
> drools.accumulate.function.groupCount =
> com.company.analysis.accumulators.GroupByAccumulateFunction
>
>
>
> When I try the same in guvnor, I am not sure where to define this custom
> function (similar to drools.packagebuilder.conf file) so that my rules will
> get built into a package. Currently when I build the package from guvnor, I
> get the following error:
>
>
>
> Unable to build expression for 'accumulate' : No accumulator function found
> for identifier: groupCount
>
>
>
> This is because the drl file doesn't know how to interpret the "groupCount"
> function as its not defined anywhere.
>
>
>
> I looked up the documentation and the mailing list and couldn't find any
> solution. I also tried importing the whole drools.packagebuilder.conf file
> into guvnor and that doesn't seem to work as well.
>
> Thanks for your help,
>
> Srini
>
>
>
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>



-- 
Michael D Neale
home: www.michaelneale.net
blog: michaelneale.blogspot.com