Re: [rules-users] using from with not

That makes it compile, but during the run I get: java.lang.NullPointerException at org.drools.reteoo.builder.BuildUtils.createBetaNodeConstraint( BuildUtils.java:168) at org.drools.reteoo.builder.GroupElementBuilder$NotBuilder.build ( GroupElementBuilder.java:231) at org.drools.reteoo.builder.GroupElementBuilder.build( GroupElementBuilder.java:70) at org.drools.reteoo.builder.GroupElementBuilder$AndBuilder.build( GroupElementBuilder.java:112) at org.drools.reteoo.builder.GroupElementBuilder.build( GroupElementBuilder.java:70) at org.drools.reteoo.builder.ReteooRuleBuilder.addSubRule( ReteooRuleBuilder.java:136) at org.drools.reteoo.builder.ReteooRuleBuilder.addRule ( ReteooRuleBuilder.java:109) at org.drools.reteoo.ReteooBuilder.addRule(ReteooBuilder.java:116) at org.drools.reteoo.ReteooRuleBase.addRule(ReteooRuleBase.java:262) at org.drools.common.AbstractRuleBase.addPackage ( AbstractRuleBase.java:333) at com.sample.DroolsTest.readRule(DroolsTest.java:66) at com.sample.DroolsTest.main(DroolsTest.java:23) -Chris On 10/4/07, Anstis, Michael (M.) <manstis1(a)ford.com&gt; wrote: > > What if you try "not (Foo(id == 10) from $foos) "? > > ------------------------------ > *From:* rules-users-bounces(a)lists.jboss.org [mailto: > rules-users-bounces(a)lists.jboss.org] *On Behalf Of *Chris West > *Sent:* 04 October 2007 16:59 > *To:* Rules Users List > *Subject:* Re: [rules-users] using from with not > > It does not compile. The error is: > unknown:32:20 mismatched token: [@243,682:685='from',<38>,32:20]; > expecting type THEN > > -Chris > > On 10/4/07, Anstis, Michael (M.) <manstis1(a)ford.com&gt; wrote: > > > > Does it not compile (in which case can you post the error)? > > > > Or does it not activate? > > > > ------------------------------ > > *From:* rules-users-bounces(a)lists.jboss.org [mailto: > > rules-users-bounces(a)lists.jboss.org] *On Behalf Of *Chris West > > *Sent:* 04 October 2007 16:03 > > *To:* Rules Users List > > *Subject:* [rules-users] using from with not > > > > Hello, > > > > Does anyone know why rule "GoodBye2" below does not compile, but rule > > "GoodBye1" does compile using Drools 4.0.0? The only difference is > > the "not". Shouldn't this be valid? > > > > Thanks, > > -Chris > > > > > > package com.sample > > > > import com.sample.DroolsTest.Message; > > import com.sample.DroolsTest.Foo; > > import java.util.List; > > > > rule "Hello World" > > when > > m : Message( status == Message.HELLO, message : message ) > > then > > System.out.println( message ); > > m.setMessage( "Goodbye cruel world" ); > > m.setStatus( Message.GOODBYE ); > > update( m ); > > end > > > > rule "GoodBye1" > > no-loop true > > when > > m : Message( status == Message.GOODBYE, message : message, > > $foos: foos ) > > Foo(id == 10) from $foos > > then > > System.out.println ( message ); > > m.setMessage( message ); > > > > end > > > > rule "GoodBye2" > > no-loop true > > when > > m : Message( status == Message.GOODBYE, message : message, > > $foos: foos ) > > not Foo(id == 10) from $foos > > then > > System.out.println( message ); > > m.setMessage( message ); > > > > end > > > > > > _______________________________________________ > > 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 > > >