Hi, again a question, any body had success using globals in LHS? Following DSL [condition][]is a Item=Item() [condition][]-is of type Advertisment=advertisment contains catId rule when $pli: is a Item - is of type Advertisment then // do whatever you want end catId is a member of Item advertisment is a Integer[] array set as global comiling ends with: Unable to create Field Extractor for 'advertisment' of '[ClassObjectType It works fine if advertisment is a member of Item, but i want to have it as global ... Cheers Markus _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users

Hi, also using memberOf results in: Unable to create Field Extractor for 'advertisment' of '[ClassObjectType do i'll miss sth else?

Cheers Markus On Thu, May 29, 2008 at 2:48 PM, Jaroslaw Kijanowski <jaroslaw.kijanowski(a)redhat.com&gt; wrote: > Hi, > there are two issues: > - the left side of contains needs to be filed of Item (it also needs to be a > Collection or array) > - in your case you should use "memberOf" to check if a field (catId) is a > member of a Collection or array. > > see the docs for more info (6.5.2.1.1.3.1. Operators) > > However if you're going to use an array as your global, you will run into a > CCE, because an array doesn't implement the Collection interface [1], [2]. > I'm not sure if this is a bug in drools or an expected "constraint", hence a > bug in the docs. > Anyway, your safe using a List. > > Cheers, > Jarek > > [1] > drools-core/src/main/java/org/drools/base/evaluators/BaseMemberOfEvaluator.java > (evaluate()) > [2] drools-core/src/main/java/org/drools/spi/FieldValue.java > > > Markus Helbig wrote: >> Hi, >> >> again a question, any body had success using globals in LHS? >> >> Following DSL >> >> [condition][]is a Item=Item() >> [condition][]-is of type Advertisment=advertisment contains catId >> >> >> rule >> when >> $pli: is a Item >> - is of type Advertisment >> then >> // do whatever you want >> end >> >> catId is a member of Item >> advertisment is a Integer[] array set as global >> >> comiling ends with: >> >> Unable to create Field Extractor for 'advertisment' of '[ClassObjectType >> >> It works fine if advertisment is a member of Item, but i want to have >> it as global ... >> >> Cheers >> >> Markus >> _______________________________________________ >> rules-users mailing list >> rules-users(a)lists.jboss.org >> https://lists.jboss.org/mailman/listinfo/rules-users > _______________________________________________ > rules-users mailing list > rules-users(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users >