[rules-users] Guvnor - Loading enums programatically using rule metadata

[GPatel at tsys.com]

I realize that "drools" is a runtime variable, available only during rule 
execution, but the question still stands. Is it possible to somehow pass 
in rule attributes as arguments to Data loaders for enums?

Any help would be appreciated

Thanks
G. Patel



From:   Ghanshyam Patel/Tempe/TotalSystem
To:     rules-users at lists.jboss.org
Date:   10/10/2011 03:35 PM
Subject:        Guvnor - Loading enums programatically using rule metadata


The Guvnor manual specifies how to load enum data programtically but it 
seems like only other fields on the same Fact can be used to filter the 
values that can show up in the drop-down fields, as shown below:

'Fact.field[dependentField1, dependentField2]' : '(new 
com.yourco.DataHelper()).getListOfAges("@{dependentField1}", 
"@{dependentField2}")'

Is it possible to somehow use other rule attributes, like package name or 
rule metadata to filter the list? Something like the following:

'Fact.field[dependentField1]' : '(new 
com.yourco.DataHelper()).getListOfAges("@{dependentField1}", 
drools.getRule().getMetaData().get("ID"))'

Thanks
G. Patel


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