@gmf(foo="bar")
@namespace(uri="goalModel/1.0", prefix="goalModel")
package goalmodel;

@gmf.diagram(foo="bar")
class GoalModel {
  ref Goal[1] root;
  val Node[*] nodes;
}

abstract class Node {
  attr String name;
}

@gmf.node(figure="rectangle", label.icon="false", color="215,230,238", label="name", size="40,20", phantom="true")
class Goal extends Node {  
  @gmf.link(source.decoration="arrow")
  val Link[*] links;
}

class Link {  
  attr String name;
}

@gmf.node(figure="rectangle", label.icon="false", color="215,230,238", label="name", size="10,10", phantom="true")
class AND extends Link {
  @gmf.link
  val Goal[*] goals;
}