Re: [rules-dev] MVEL in functions?

Hi Steve - yes that seems to work - hence why I have not noticed it before. I wonder with 4.0.x if it was actually using MVEL for the function body, or flipping back to the java dialect (which is what happens when you put it in a different DRL now). On Tue, Oct 13, 2009 at 1:24 AM, Steve Ronderos <steve.ronderos(a)ni.com&gt; wrote: > > Hi Michael, > > We are experiencing the same issue.  We have had to put our functions in a > different .drl to get around this for now.  If it helps any, this was > working ok in version 4.0.7, and broke when we went to 5.0.1. > > Thanks, > > Steve Ronderos > > rules-dev-bounces(a)lists.jboss.org wrote on 10/11/2009 11:52:04 PM: > >> [image removed] >> >> [rules-dev] MVEL in functions? >> >> Michael Neale >> >> to: >> >> Rules Dev List >> >> 10/11/2009 11:53 PM >> >> Sent by: >> >> rules-dev-bounces(a)lists.jboss.org >> >> Please respond to Rules Dev List >> >> Hey is mvel in functions broken? I have a distant memory of something >> along these lines. I was just trying something like: >> >> package jboss.cloud >> >> dialect "mvel" >> >> >> #trying to get functions working... >> rule "something" >>     when >>         s: SimpleFact(id == 42, name == "michael") >>     then >>         System.out.println("hello"); >> end >> >> function String doSomething() { >>  return "hey"; >> } >> >> And I get: >> >> java.lang.NullPointerException >>    at org.drools.rule.builder.dialect.mvel.MVELDialect.compile >> (MVELDialect.java:510) >>    at org.drools.rule.builder.dialect.mvel.MVELDialect.addFunction >> (MVELDialect.java:338) >>    at >> org.drools.compiler.PackageBuilder.addFunction(PackageBuilder.java:1104) >>    at >> org.drools.compiler.PackageBuilder.addPackage(PackageBuilder.java:626) >>    at org.drools.compiler.PackageBuilder.addPackageFromDrl >> (PackageBuilder.java:290) >>    at org.drools.compiler.PackageBuilder.addKnowledgeResource >> (PackageBuilder.java:488) >>    at org.drools.builder.impl.KnowledgeBuilderImpl.add >> (KnowledgeBuilderImpl.java:25) >> >> (haven't tried trunk) - anyone else seen this? >> removing the dialect "mvel" at the package level at it is fine. >> >> >> >> >> >> -- >> Michael D Neale >> home: www.michaelneale.net >> blog: michaelneale.blogspot.com >> _______________________________________________ >> rules-dev mailing list >> rules-dev(a)lists.jboss.org >> https://lists.jboss.org/mailman/listinfo/rules-dev > > _______________________________________________ > rules-dev mailing list > rules-dev(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-dev > > -- Michael D Neale home: www.michaelneale.net blog: michaelneale.blogspot.com