examples/org.eclipse.epsilon.eugenia.examples.executablestatemachine.graphical/model/esm.emf

@gmf
@namespace(uri="esm", prefix="esm")
package esm;

@gmf.diagram
class Machine {
  val State[*] states;
  val Transition[*] transitions;
}

@gmf.node(figure="ellipse", label="name", label.placement="external", label.icon="false")
class State {
  attr String[1] name;
  ref Transition[*]#target incoming;
  ref Transition[*]#source outgoing;
}

@gmf.node(color="0,0,0", size="15,15")
class EndState extends State {

}

@gmf.link(source="source", target="target", target.decoration="arrow", label="action")
class Transition {
  attr String action;
  val EObject actionImpl;
  ref State[1]#outgoing source;
  ref State[1]#incoming target;
}