OrderSet class

OrderSet.groovy

class Order{
  void perform(){
  }
}

class OrderA extends Order{
}

@DependsOn(OrderA.class)
class OrderB extends Order{
}

@DependsOn({OrderA.class,OrderB.class})
class OrderC extends Order{
}

class OrderSet{
  def orders = [OrderA.class, OrderB.class, OrderC.class]
  
  void doSomething(){
     //process the @DependsOn metadata
  }
}