code: public EjbRelationshipRoleType<EjbRelationType<T>> getOrCreateEjbRelationshipRole()
     {
        List<Node> nodeList = childNode.get("ejb-relationship-role");
        if (nodeList != null &&  nodeList.size() > 0)
        {
           return new EjbRelationshipRoleTypeImpl<EjbRelationType<T>>(this, "ejb-relationship-role", childNode, nodeList.get(0));
        }
        return createEjbRelationshipRole();
     }
docs: If not already created, a new <code>ejb-relationship-role</code> element will be created and returned.
  Otherwise, the first existing <code>ejb-relationship-role</code> element will be returned.
  @return the instance defined for the element <code>ejb-relationship-role</code>