How to use

set

method

in

quickfix.fix50.NewOrderSingle

public void send50(Order order) {
  quickfix.fix50.NewOrderSingle newOrderSingle = new quickfix.fix50.NewOrderSingle(
      new ClOrdID(order.getID()), sideToFIXSide(order.getSide()),
      new TransactTime(), typeToFIXType(order.getType()));
  newOrderSingle.set(new OrderQty(order.getQuantity()));
  newOrderSingle.set(new Symbol(order.getSymbol()));
  newOrderSingle.set(new HandlInst('1'));
  send(populateOrder(order, newOrderSingle), order.getSessionID());
}