Your DSL shows a class called "employee" with field "statename".

Perhaps your DSL should read:-

[when]employee belongs to a particular state{state}=$employee:employee (state=="{state}");

[then]Greet Employee=System.out.println("Hello");


Your class name "employee" also doesn't follow normal practice of capitalising the first letter; so "Employee" would be preferential.

2010/9/6 Kripa Nathwani <Kripa.Nathwani@lntinfotech.com>

Hello,

 

I have written the following simple DSL in Drools:

 

[when]employee belongs to a particular state{state}=$employee:employee (statename=="{state}");

[then]Greet Employee=System.out.println("Hello");

 

I have also created the corresponding model with a field named “state”.

When I try to create business rule for the same and when I validate the rule I get the following error:

 

 

Unable to create Field Extractor for 'statename' of '[ClassObjectType class=dslDemoPackage.employee]' in rule 'testdsl'

 

Let me know how I can resolve.

 

 

Best Regards,

Kripa

 


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