[rules-users] function call
Edson Tirelli
tirelli at post.com
Wed Aug 29 09:50:54 EDT 2007
Hi,
Mark just told me there is a problem with MVEL calling functions... I
believe he is working on that...
[]s
Edson
2007/8/29, hypnosat7 <ablarbi at yahoo.fr>:
>
>
> I still have the same problem :
>
> * (1,6) unable to resolve method using strict-mode:
> java.lang.Object.func(...)
> * (1,6) unable to resolve method using strict-mode:
> java.lang.Object.func(...)
> package validity :false
> org.drools.rule.InvalidRulePackage: Unable to build expression for
> 'consequence' '
> drools.rule.dialect="java"
> System.out.println(drools.getRule().getDialect());
> System.out.println("ok"+func());
>
>
> ' : [Rule name=Your First Rule, agendaGroup=MAIN, salience=0,
> no-loop=false]
>
> at org.drools.rule.Package.checkValidity(Package.java:416)
> at org.drools.common.AbstractRuleBase.addPackage(
> AbstractRuleBase.java:292)
> at mcmipih.rules.demo.service.TestDraft.main(TestDraft.java:34)
>
>
> my rule :
>
> rule "Your First Rule"
> dialect "mvel"
> when
> eval(true)
> then
>
> drools.rule.dialect="java"
> System.out.println(drools.getRule().getDialect());
> System.out.println("ok"+func());
>
>
> end
>
>
>
> Edson Tirelli-3 wrote:
> >
> > I believe this problem is already fixed in trunk. You can download
> > latest
> > build from here:
> >
> > http://cruisecontrol.jboss.com/cc/artifacts/jboss-rules
> >
> > []s
> > Edson
> >
> > 2007/8/29, hypnosat7 <ablarbi at yahoo.fr>:
> >>
> >>
> >> I try and change the dialect but it doesn't work
> >>
> >> rule "Your First Rule"
> >> dialect "mvel"
> >> when
> >>
> >> then
> >>
> >> drools.rule.dialect="java"
> >> System.out.println(drools.getRule().getDialect());
> >> System.out.println("ok"+func());
> >>
> >>
> >> end
> >>
> >> the package still invalid :
> >> * (1,6) unable to resolve method using strict-mode:
> >> java.lang.Object.func(...)
> >> * (1,6) unable to resolve method using strict-mode:
> >> java.lang.Object.func(...)
> >>
> >>
> >>
> >> hypnosat7 wrote:
> >> >
> >> > Hi,
> >> >
> >> > I have a simple rule :
> >> >
> >> > function String isTrue() {
> >> > return "true";
> >> > }
> >> >
> >> > rule "new rule"
> >> > dialect "mvel"
> >> > when
> >> > eval(true)
> >> > then
> >> > System.out.println("passe"+isTrue());
> >> > end
> >> >
> >> > But it seems impossible to call function's :
> >> >
> >> > org.mvel.PropertyAccessException: failed to access property:
> >> > <<System.out.println("passe"+isTrue())>> in: null
> >> > at
> >> >
> >>
> org.mvel.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(
> >> ReflectiveAccessorOptimizer.java:137)
> >> > at
> >> >
> >>
> org.mvel.optimizers.impl.refl.ReflectiveAccessorOptimizer.optimizeAccessor
> >> (ReflectiveAccessorOptimizer.java:96)
> >> > at org.mvel.ASTNode.getReducedValueAccelerated(ASTNode.java
> :194)
> >> > at org.mvel.MVELRuntime.execute(MVELRuntime.java:87)
> >> > at org.mvel.MVEL.executeDebugger(MVEL.java:327)
> >> > at org.drools.base.mvel.MVELConsequence.evaluate(
> >> MVELConsequence.java:43)
> >> > at org.drools.common.DefaultAgenda.fireActivation(
> >> DefaultAgenda.java:545)
> >> > at
> >> org.drools.common.DefaultAgenda.fireNextItem(DefaultAgenda.java
> >> :509)
> >> > at
> >> > org.drools.common.AbstractWorkingMemory.fireAllRules(
> >> AbstractWorkingMemory.java:430)
> >> > at
> >> > org.drools.common.AbstractWorkingMemory.fireAllRules(
> >> AbstractWorkingMemory.java:392)
> >> > at mcmipih.rules.demo.service.TestDraft.main(TestDraft.java:37)
> >> > Caused by: org.mvel.PropertyAccessException: null pointer exception
> in
> >> > property: isTrue()
> >> > at
> >> >
> >>
> org.mvel.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(
> >> ReflectiveAccessorOptimizer.java:143)
> >> > at
> >> >
> >>
> org.mvel.optimizers.impl.refl.ReflectiveAccessorOptimizer.optimizeAccessor
> >> (ReflectiveAccessorOptimizer.java:96)
> >> > at org.mvel.ASTNode.getReducedValueAccelerated(ASTNode.java
> :194)
> >> > at
> >> > org.mvel.ast.BinaryOperation.getReducedValueAccelerated(
> >> BinaryOperation.java:20)
> >> > at org.mvel.MVELRuntime.execute(MVELRuntime.java:87)
> >> > at org.mvel.CompiledExpression.getValue(CompiledExpression.java
> >> :98)
> >> > at
> >> > org.mvel.optimizers.impl.refl.ReflectiveAccessorOptimizer.getMethod(
> >> ReflectiveAccessorOptimizer.java:421)
> >> > at
> >> >
> >>
> org.mvel.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(
> >> ReflectiveAccessorOptimizer.java:109)
> >> > ... 10 more
> >> > Caused by: java.lang.NullPointerException
> >> > at
> >> > org.mvel.optimizers.impl.refl.ReflectiveAccessorOptimizer.getMethod(
> >> ReflectiveAccessorOptimizer.java:429)
> >> > at
> >> >
> >>
> org.mvel.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(
> >> ReflectiveAccessorOptimizer.java:109)
> >> > ... 17 more
> >> > org.drools.spi.ConsequenceException: org.mvel.PropertyAccessException
> :
> >> > failed to access property: <<System.out.println("passe"+isTrue())>>
> in:
> >> > null
> >> > at org.drools.common.DefaultAgenda.fireActivation(
> >> DefaultAgenda.java:549)
> >> > at
> >> org.drools.common.DefaultAgenda.fireNextItem(DefaultAgenda.java
> >> :509)
> >> > at
> >> > org.drools.common.AbstractWorkingMemory.fireAllRules(
> >> AbstractWorkingMemory.java:430)
> >> > at
> >> > org.drools.common.AbstractWorkingMemory.fireAllRules(
> >> AbstractWorkingMemory.java:392)
> >> > at mcmipih.rules.demo.service.TestDraft.main(TestDraft.java:37)
> >> > Caused by: org.mvel.PropertyAccessException: failed to access
> property:
> >> > <<System.out.println("passe"+isTrue())>> in: null
> >> > at
> >> >
> >>
> org.mvel.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(
> >> ReflectiveAccessorOptimizer.java:137)
> >> > at
> >> >
> >>
> org.mvel.optimizers.impl.refl.ReflectiveAccessorOptimizer.optimizeAccessor
> >> (ReflectiveAccessorOptimizer.java:96)
> >> > at org.mvel.ASTNode.getReducedValueAccelerated(ASTNode.java
> :194)
> >> > at org.mvel.MVELRuntime.execute(MVELRuntime.java:87)
> >> > at org.mvel.MVEL.executeDebugger(MVEL.java:327)
> >> > at org.drools.base.mvel.MVELConsequence.evaluate(
> >> MVELConsequence.java:43)
> >> > at org.drools.common.DefaultAgenda.fireActivation(
> >> DefaultAgenda.java:545)
> >> > ... 4 more
> >> > Caused by: org.mvel.PropertyAccessException: null pointer exception
> in
> >> > property: isTrue()
> >> > at
> >> >
> >>
> org.mvel.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(
> >> ReflectiveAccessorOptimizer.java:143)
> >> > at
> >> >
> >>
> org.mvel.optimizers.impl.refl.ReflectiveAccessorOptimizer.optimizeAccessor
> >> (ReflectiveAccessorOptimizer.java:96)
> >> > at org.mvel.ASTNode.getReducedValueAccelerated(ASTNode.java
> :194)
> >> > at
> >> > org.mvel.ast.BinaryOperation.getReducedValueAccelerated(
> >> BinaryOperation.java:20)
> >> > at org.mvel.MVELRuntime.execute(MVELRuntime.java:87)
> >> > at org.mvel.CompiledExpression.getValue(CompiledExpression.java
> >> :98)
> >> > at
> >> > org.mvel.optimizers.impl.refl.ReflectiveAccessorOptimizer.getMethod(
> >> ReflectiveAccessorOptimizer.java:421)
> >> > at
> >> >
> >>
> org.mvel.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(
> >> ReflectiveAccessorOptimizer.java:109)
> >> > ... 10 more
> >> > Caused by: java.lang.NullPointerException
> >> > at
> >> > org.mvel.optimizers.impl.refl.ReflectiveAccessorOptimizer.getMethod(
> >> ReflectiveAccessorOptimizer.java:429)
> >> > at
> >> >
> >>
> org.mvel.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(
> >> ReflectiveAccessorOptimizer.java:109)
> >> > ... 17 more
> >> >
> >>
> >> --
> >> View this message in context:
> >> http://www.nabble.com/function-call-tf4346267.html#a12383032
> >> Sent from the drools - user mailing list archive at Nabble.com.
> >>
> >> _______________________________________________
> >> rules-users mailing list
> >> rules-users at lists.jboss.org
> >> https://lists.jboss.org/mailman/listinfo/rules-users
> >>
> >
> >
> >
> > --
> > Edson Tirelli
> > Software Engineer - JBoss Rules Core Developer
> > Office: +55 11 3529-6000
> > Mobile: +55 11 9287-5646
> > JBoss, a division of Red Hat @ www.jboss.com
> >
> > _______________________________________________
> > rules-users mailing list
> > rules-users at lists.jboss.org
> > https://lists.jboss.org/mailman/listinfo/rules-users
> >
> >
>
> --
> View this message in context:
> http://www.nabble.com/function-call-tf4346267.html#a12386450
> Sent from the drools - user mailing list archive at Nabble.com.
>
> _______________________________________________
> rules-users mailing list
> rules-users at lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/rules-users
>
--
Edson Tirelli
Software Engineer - JBoss Rules Core Developer
Office: +55 11 3529-6000
Mobile: +55 11 9287-5646
JBoss, a division of Red Hat @ www.jboss.com
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