[rules-users] Keep getting error trying to access value in hash map.

[Alessandro Terrinoni]

> Date: Fri, 10 Apr 2009 17:02:14 -0700
> From: sdoyle_2 at yahoo.com
> To: rules-users at lists.jboss.org
> Subject: [rules-users] Keep getting error trying to access value in hash map.
> 
> 
> I'm trying to extract the value from a hashmap after first extracting a key
> and I keep getting the same error.
> 
> Here is the rule information:
> 
> target: Target();
> perm: PermissionCheck(target == target, action == "edit", granted == false);
> primaryKey : TargetId(targetNum == 1) from target.codes.keySet();
> primaryCode : TargetCode() from target.codes.values[primaryKey];

when you write target.codes.values[primaryKey] drools looks for a getter method "getValues" in the object "codes" trying to return a field called "values".

try to replace target.codes.values[primaryKey] with target.codes.get(primaryKey)

Alessandro Terrinoni


> 
> Here is the error:
> 
> Caused by: javax.el.ELException: /layout/test.xhtml @25,111
> rendered="#{s:hasPermission(target,'edit')}": org.mvel.CompileException:
> unable to resolve property: values
>         at
> com.sun.facelets.el.TagValueExpression.getValue(TagValueExpression.java:76)
>         at
> javax.faces.component.UIComponentBase.isRendered(UIComponentBase.java:390)
>         ... 61 more
> Caused by: org.mvel.CompileException: unable to resolve property: values
>         at
> org.mvel.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(ReflectiveAcces
> sorOptimizer.java:288)
>         at
> org.mvel.optimizers.impl.refl.ReflectiveAccessorOptimizer.optimizeAccessor(ReflectiveAcce
> ssorOptimizer.java:109)
>         at
> org.mvel.ast.VariableDeepPropertyNode.getReducedValueAccelerated(VariableDeepPropertyNode
> .java:29)
> 
> Thanks
> -- 
> View this message in context: http://www.nabble.com/Keep-getting-error-trying-to-access-value-in-hash-map.-tp22996482p22996482.html
> Sent from the drools - user mailing list archive at Nabble.com.
> 
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