we still have bugs which stop you upgrading?
Mark
Chris West wrote:Attached is the eclipse project that illustrates the problem. I use Drools 4.0.0, and have not tried this code with 4.0.1 (since bugs in it keep me from upgrading until 4.0.2).
-Chris
On 10/4/07, Chris West <crayzfishr@gmail.com > wrote: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@ford.com> wrote:What if you try "not (Foo(id == 10) from $foos) "?
From: rules-users-bounces@lists.jboss.org [mailto:rules-users-bounces@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@ford.com > wrote:Does it not compile (in which case can you post the error)?Or does it not activate?
From: rules-users-bounces@lists.jboss.org [mailto: rules-users-bounces@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
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