[rules-users] Re: Entity-Beans with Drools 4.0.2

[Frank Langelage]

Guardian wrote:
> Hello,
> 
> i have a problem to use entity-beans (ejb 3.0) in a DRL-file.
> If i use java-beans everything works fine, but when I use the following rule
> with the "pruefungs"-entity object i get an exception. What is the problem,
> can i use EJB 3.0 entitybeans with drools?
> 
> My rules are the following:
> 
> rule "Test Entity"
> 	when
> 		p : Pruefung( name : pruefungsName  )
> 	then
> 		System.out.println( name )		
> end 
> 
> rule "Hello World"
> 	when
> 		m : Message( status == Message.HELLO, message : message )
> 	then
> 		System.out.println( message ); 
> 		m.setMessage( "Goodbye cruel world" );
> 		m.setStatus( Message.GOODBYE );
> 		update( m );
> end
> 
> 
> and the exception that occurs:
> 
> 12:29:31,093 INFO  [STDOUT] cannot read rule file:
> /drools/rules/testRule.drl
> 12:29:31,093 ERROR [STDERR] org.drools.rule.InvalidRulePackage: Rule
> Compilation error : [Rule name=Test Entity, agendaGroup=MAIN, salience=0,
> no-loop=false]
> 	drools/rules/Rule_Test_Entity_0.java (8:25) : File
> drools/rules/Rule_Test_Entity_0.java, Line 8, Column 25: Expression
> "System.out.println(name)" is not a type

That has nothing to do with the type of Object.
There's simply missing the ";" at the end of the RHS line.