Re: [rules-users] Compilation errors with 5.3.0.CR1

Correction: EmNumberRestriction(this == ($constr.getRestrictions () [0] ),... On 5 October 2011 14:44, Wolfgang Laun<wolfgang.laun(a)gmail.com> wrote: > Write this like so: > EmNumberRestriction(this == ($constr.getRestrictions[0]),... > -W >> part from last line of LHS. Again, it worked well in 5.1.1. >> >> On 10/05/2011 12:14 PM, Swindells, Thomas wrote: >> >> Why do you need the and in the rule? >> Have you tried >> >> rule "enabled paramId: 1, id: 0" >> salience 50 >> when >> >> def0: EmParamDefinition(paramName == "p2", listIndex == -1) >> EmParamValue(paramDefinitionId == def0, requiredValue == 1) >> $param : EmParamValue(id == 1, enabled == false) >> not ParentDisabled(id == 1) >> then >> $param.setEnabled(true); >> update($param); >> end >> >> Thomas >> >> -----Original Message----- >> From: rules-users-bounces(a)lists.jboss.org [mailto:rules-users- >> bounces(a)lists.jboss.org] On Behalf Of Waclaw Borowiec >> Sent: 05 October 2011 10:55 >> To: rules-users(a)lists.jboss.org >> Subject: [rules-users] Compilation errors with 5.3.0.CR1 >> >> Hello >> >> I'm sending the message once again due to problems with code samples >> visibility in the previous one. >> >> I've got following rule: >> >> rule "enabled paramId: 1, id: 0" >> salience 50 >> when >> (def0: EmParamDefinition(paramName == "p2", listIndex == -1) and >> EmParamValue(paramDefinitionId == def0, requiredValue == 1)) >> $param : EmParamValue(id == 1, enabled == false) >> not ParentDisabled(id == 1) >> then >> $param.setEnabled(true); >> update($param); >> end> >> >> It compiles fine under Drools 5.1.1, but after switching to 5.3.0.CR1 I get >> following exception: >> >> [Error: unexpected end of statement] >> [Near : {... def ....}] >> ^ >> [Line: 1, Column: 4] >> at >> org.mvel2.compiler.AbstractParser._captureBlock(AbstractParser.java:1470) >> at >> org.mvel2.compiler.AbstractParser.captureCodeBlock(AbstractParser.java:14 >> 46) >> at org.mvel2.compiler.AbstractParser.nextToken(AbstractParser.java:421) >> at >> org.mvel2.compiler.ExpressionCompiler._compile(ExpressionCompiler.java:1 >> 28) >> at >> org.mvel2.compiler.ExpressionCompiler.compile(ExpressionCompiler.java:62 >> ) >> at org.mvel2.MVEL.analysisCompile(MVEL.java:668) >> at org.mvel2.MVEL.analysisCompile(MVEL.java:672) >> at >> org.drools.rule.builder.PatternBuilder.setInputs(PatternBuilder.java:854) >> at org.drools.rule.builder.PatternBuilder.build(PatternBuilder.java:595) >> at >> org.drools.rule.builder.PatternBuilder.processConstraintsAndBinds(PatternB >> uilder.java:397) >> at org.drools.rule.builder.PatternBuilder.build(PatternBuilder.java:309) >> at org.drools.rule.builder.PatternBuilder.build(PatternBuilder.java:132) >> at >> org.drools.rule.builder.GroupElementBuilder.build(GroupElementBuilder.jav >> a:65) >> at org.drools.rule.builder.RuleBuilder.build(RuleBuilder.java:80) >> at org.drools.compiler.PackageBuilder.addRule(PackageBuilder.java:2241) >> at >> org.drools.compiler.PackageBuilder.addPackage(PackageBuilder.java:802) >> at >> org.drools.compiler.PackageBuilder.addPackageFromDrl(PackageBuilder.java >> :388) >> at >> org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder >> .java:566) >> at >> org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.ja >> va:35) >> at >> com.proximetry.elmgr.services.DependenciesBean$Expander.addDrl(Depen >> denciesBean.java:110) >> >> >> It is >> >> (def0: EmParamDefinition(paramName == "p2", listIndex == -1) and >> EmParamValue(paramDefinitionId == def0, requiredValue == 1)) >> >> >> line that causes the problem - the exeption disappears after removing it. >> What's interesting, when I add '$' sign to binding variable name, and the line >> looks like: >> >> ($def0: EmParamDefinition(paramName == "p2", listIndex == -1) and >> EmParamValue(paramDefinitionId == $def0, requiredValue == 1)) >> >> >> instead of the exception I get DRL error: >> >> [DialectError message='Unable to wire compiled classes, probably related to >> compilation failures:sun.reflect.generics.reflectiveObjects.WildcardTypeImpl >> cannot be cast to java.lang.Class'] >> >> >> For completness, this is how I add DRL resources: >> >> public void addDrl(Reader rdr) { >> KnowledgeBuilder kBuilder = >> KnowledgeBuilderFactory.newKnowledgeBuilder(); >> >> kBuilder.add( ResourceFactory.newReaderResource(rdr), >> ResourceType.DRL); >> if( kBuilder.hasErrors() ){ >> for( KnowledgeBuilderError err: kBuilder.getErrors() ){ >> StackTrace.error(this, err); >> } >> throw new IllegalStateException( "DRL errors" ); >> } >> knowledgeBase.addKnowledgePackages( >> kBuilder.getKnowledgePackages() ); >> } >> >> >> I would be grateful if someone has an idea, why after switching Drools >> version such problem exists. >> _______________________________________________ >> rules-users mailing list >> rules-users(a)lists.jboss.org >> https://lists.jboss.org/mailman/listinfo/rules-users >> >> ************************************************************************************** >> This message is confidential and intended only for the addressee. 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