No - you can use any java object as a fact, so both of your classes are fine. For instance you could do:

when
  Car($p: paint)
then
  System.out.println($p.getName());
end

and using MVEL you could do:

when
  Car(paint.name == "red")
then
  ...
 

On 10/4/07, jack wu <jackxwu@yahoo.com> wrote:
Hi, i suppose the second form of fact is not supported. but i'd like to confirm.

in other words, you can only have setters and getters that return basic java types. is that right? can i return java collections such as array and map? the documentation is not clear on that.

thanks.

public class Paint
{
    String getName();
    String getColor();
}


public class Car
{
    int getSize();
    Paint getPaint();
}


jack.



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