Drools and Repast S

Wednesday, 19 March 2008

Hi,

I am trying to use Drools inside of my Repast S[1] project. I have got
some errors running my simple rules:

...
 Unable to resolve ObjectType 'Message' : [Rule name=Your
First Rule,
 agendaGroup=MAIN, salience=0, no-loop=false]
 test.MessageRule Compilation error : [Rule name=Your First Rule,
 agendaGroup=MAIN, salience=0, no-loop=false]
 	apackage/Rule_Your_First_Rule_0.java (2:25) : Only a type can be
 imported. test.Message resolves to a package
 	apackage/Rule_Your_First_Rule_0.java (7:250) : message cannot be
 resolved 
There are two Java classes involved:

* MyAgent.class - my Repast S agent (basically a modified
HelloWorldExample from the Drools examples)
* Message.class - a bean

Both live in the package test.

My rule file consists of:

...
 package apackage
 import test.Message;

 rule "Your First Rule"
 	when
 		Message( message : message )
 	then
 		System.out.println(message);
 end 

When I am running my MyAgent class as a Java application, everything is
ok. But if I am incorporating my MyAgent class into Repast S, I get the
aforementioned error.

So how can I find the source of this error? Does anyone have a clue how
to proceed?

I would be so glad, if you could help me. (Using JESS would be much less
 fun :-)

Best Regards,
Marcus

[1]: http://repast.sourceforge.net/

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