[rules-users] New in Drools: Updating facts retrieved in queries

[Wolfgang Laun]

2011/4/29 Manuel Ortiz <manuel.ortizramos at gmail.com>

>
> import es.simcasva.alarmas.src.MDSVHechoAlarma;
>
>
> query "existe Alarma"  (MDSVHechoAlarma referencia)
>     $alarma : MDSVHechoAlarma(   iIdAlarma == referencia.iIdAlarma,
>
>

> The reported errors are:
>
> Description Resource Path Location Type
> BuildError: Not possible to directly access the property 'iIdAlarma' of
> declaration 'referencia' since it is not a pattern
> AlarmaReglasGenerales.drl /aitor/es/simcasva/alarmas/rules Unknown Drools
> Error
>
>
"referencia" is a query parameter (and not a variable bound to a fact); to
access any of its fields or methods you must use Java notation, requiring
you to use a "return value restriction", hence the parentheses:

 $alarma : MDSVHechoAlarma(   iIdAlarma == ( referencia.getIIdAlarma() ),
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