[rules-users] Map Accessor not allowing using a $parameter, gets field extractor error

[Michael Anstis]

I'm not 100% sure, but you might need to use the MVEL dialect to access maps
in this way.

On 4 April 2011 21:51, AberAber <maryellenbench at hotmail.com> wrote:

> Using Drools 5.1.1
>
> Is there anything I can do except to make a method/property in my original
> class to do the .get into map for me?  According to drools specs this
> should
> work.
>
> This gets the error:
>
> rule "Find Lowest Score"
> salience 100
> when
>        $aobject : DataObject($index: extracted.indexString)
>        $node : Information($classScore : adjustedScores[$index])
> then
>        System.out.println(" Class score " + $classScore);
> end
>
> Description     Resource        Path    Location        Type
> BuildError: Unable to create Field Extractor for 'adjustedScores[$index]'
> droolsLocal.drl /src/main/resources     line 30 Drools Error
>
>
> This works:
> rule "Find Lowest Score"
> salience 100
> when
>        $aobject : DataObject($index: extracted.indexString)
>        $node : Information($classScore : adjustedScores["ASTRING"])
> then
>        System.out.println(" Class score " + $classScore);
> end
>
>
>
>
> --
> View this message in context:
> http://drools-java-rules-engine.46999.n3.nabble.com/Map-Accessor-not-allowing-using-a-parameter-gets-field-extractor-error-tp2776894p2776894.html
> Sent from the Drools - User mailing list archive at Nabble.com.
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