* @param tradeRoute The <code>TradeRoute</code> to assign.
     */
    public void assignTradeRoute(Unit unit, TradeRoute tradeRoute) {
        if (askServer().assignTradeRoute(unit, tradeRoute)) {
            if ((tradeRoute = unit.getTradeRoute()) != null
                && freeColClient.currentPlayerIsMyPlayer()) {
                moveToDestination(unit);
            }
        }
    }