[rules-users] Pass Parameter to drools file dynamically

[rjr201]

I'm a bit confused as to how this relates to your previous post. Where are
you getting the exception?

Something like this would work: 

 File dsl = new File("Path of your rule");
 KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
 kbuilder.add(ResourceFactory.newFileResource(dsl), ResourceType.DRL); 
 
 KnowledgeBase kbase = kbuilder.newKnowledgeBase();
 StatefulKnowledgeSession session = kbase.newStatefulKnowledgeSession();
        
 FactType airlineType = kbase.getFactType("droolshelloworld", "Airline"); 
 Object ob = airlineType.newInstance(); 
 airlineType.set(ob, "name", "//Airline"); 
        
 session.insert(ob); 
 session.fireAllRules(); 

And your rule looks like this: 

declare Airline 
 name:String 
end 

rule"Test"
 
when 
	message:Airline(name=="//Airline") 
then 
	System.out.println("Hello Richa....."); 
end

As I said in my previous post. You really need to read some tutorials on
this. 



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