[rules-users] Not possible to directly access the property

[Wolfgang Laun]

The cited error message isn't related to the reported change by refactoring.
What you show of the changed rule doesn't differ from the original rule.

Drools version(s)?

At a loss
-W

On 19/02/2012, bradypt <paul.brady at airnz.co.nz> wrote:
> I'm a Drools novice but am doing a regular refactor which is causing a
> problem for our existing rulebase.
>
> Before my refactor, I had an interface Itinerary that had a getRules()
> method. getRules() returned a simple POJO that had a getDestination method.
>
> My Drools rule looked like:
> rule "NZSF Accommodation - With infants" salience 101
>   activation-group "NZSF Accommodation"
>   when
>     itinerary : Itinerary( rules.destination memberOf
> travelServicesFeatures.accommodationDestinations )
>     eval(isOnlineBookingAllowed(itinerary) == false)
>   then
>     TravelService travelService = addTravelService(travelServices,
> TravelService.Type.ACCOMMODATION);
>     travelService.appendVariant(ResourceType.TEXT, "phone");
>     travelService.setNull(ResourceType.URL, true);
>     Airport destination = itinerary.getRules().getDestination();
>     travelService.setArguments(ResourceType.TEXT, new
> ResourceRefImpl("City." + destination.getCode()));
> end
>
> All was working fine.
>
> My refactor is simply to move Rules.getDestination() to the Itinerary
> interface so I changed my rule to:
>
> rule "NZSF Accommodation - With infants" salience 101
>   activation-group "NZSF Accommodation"
>   when
>     itinerary : Itinerary( destination memberOf
> travelServicesFeatures.accommodationDestinations )
>     eval(isOnlineBookingAllowed(itinerary) == false)
>   then ...
>
> Now I get:
> java.lang.RuntimeException: Errors in rules: Not possible to directly access
> the property 'accommodationDestinations' of declaration
> 'travelServicesFeatures' since it is not a pattern : [Rule name='NZSF
> Accommodation - With infants']
> Unable to create restriction '[QualifiedIndentifierRestr: memberOf
> travelServicesFeatures.accommodationDestinations ]' for field 'destination'
> in the rule 'NZSF Accommodation - With infants' : [Rule name='NZSF
> Accommodation - With infants']
>
> Any help greatly appreciated!
>
> --
> View this message in context:
> http://drools.46999.n3.nabble.com/Not-possible-to-directly-access-the-property-tp3758865p3758865.html
> Sent from the Drools: User forum mailing list archive at Nabble.com.
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