Re: [rules-users] Call class method from LHS of a rule

What you need is called "inline eval expression" (see the Drools Expert manual), or an eval conditional element. The first one might be written as: $c:Cheese(type == "chedar", eval( this.existsInShop("shopName") ) ) -W On Mon, Jan 4, 2010 at 12:49 PM, orchid <maya.pollack(a)gmail.com&gt; wrote: > > Hi All, > > I'm trying to call a class method from the LHS of a rule in the following > way: > > public class Cheese{ > private string type; > //setters and getters > public boolean existsInShop(String shop){ > ... > return true; > } > } > > I would like to call the method "existsInShop" from a rule: > > Rule "Rule1" > when > $c:Cheese(type == "chedar", existsInShop "shopName") > then > System.out.println("Rule1 is fired"); > end > > I get the compilation error: "no viable alternative at input "shopName" in > rule "Rule1" in pattern document". How can I call the method from the > rule? > > Thanks in advance. > > > > -- > View this message in context: > http://n3.nabble.com/Call-class-method-from-LHS-of-a-rule-tp108383p108383... > Sent from the Drools - User mailing list archive at Nabble.com. > _______________________________________________ > 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