Re: [rules-dev] MVEL in functions?

OK created this: https://jira.jboss.org/jira/browse/JBRULES-2298 On Tue, Oct 13, 2009 at 9:38 AM, Michael Neale <michael.neale(a)gmail.com&gt; wrote: > 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 > >