[rules-users] How to write constraint about a Map inside a Map?

[Felipe Piccolini]

Edson,

     Im so sorry, stupid me.... I dont know what happened but this  
doesnt worked yesterday...
dont remember the error, but now is working... must be murphy and his  
dominating laws :)

Thanks for reply :)

Confirm:  $mf: MyFact( map['mapKey']['innerKey'] == "InnerValue" ) //  
DOes work !! :)

On 25-07-2007, at 8:53, Edson Tirelli wrote:

>
>     What error are you getting?
>
>     I just tested this in MVELSH and it works:
>
> mvel$ map["outerKey"]["innerKey"]
> OUT: innerValue
>
>     []s
>     Edson
>
>
> 2007/7/24, Felipe Piccolini <felipe.piccolini at bluesoft.cl>:
> Suppouse I have a Map attribute and one of the values is another  
> Map...how can I check a member of the inner Map?
>
> class MyFact{
>      Map map;
>      public MyFact(){
>            this.map = new HashMap();
>      }
>
>      ....setter and getter...
>
> }
>
> -- test --
> MyFact myFact = new MyFact();
>
> Map innerMap = new HashMap();
> innerMap.put("innerKey", new String("InnerValue"));
>
> Map map = new HashMap();
> map.put("mapKey", innerMap);
>
> myFact.setMap(map);
>
> .... set the RuleBase and insert myFact as a fact for the  
> WorkingMemory...
>
> -------
>
> Now... how should I write the rule to check the innerKey ??
>
> rule "test InnerMap"
>      when
>            $mf: MyFact( map['mapKey']['innerKey'] ==  
> "InnerValue" ) // doesnt work...
>     ....
>
>            $mf: MyFact( map['mapKey'].this['innerKey'] ==  
> "InnerValue" ) // doesnt work...
> 	   $mf: MyFact( map['mapKey'].['innerKey'] == "InnerValue" ) //  
> doesnt work...
> 	   $mf: MyFact( $innerMap: map['mapKey'], $innerMap['innerKey'] ==  
> "InnerValue" ) // doesnt work...
>            $mf: MyFact( $innerMap: map['mapKey'] -> ($innerMap 
> ['innerKey'] == "InnerValue" )) // doesnt work...
>
>
> Thanks.
>
> Felipe Piccolini M.
> felipe.piccolini at bluesoft.cl
>
>
>
>
>
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>
>
>
>
> -- 
>   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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Felipe Piccolini M.
felipe.piccolini at bluesoft.cl




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