/// <summary>
 /// Gets the order ticket for the specified order id. Returns null if not found
 /// </summary>
 /// <param name="orderId">The order's id</param>
 /// <returns>The order ticket with the specified id, or null if not found</returns>
 public OrderTicket GetOrderTicket(int orderId)
 {
     return(_orderProcessor.GetOrderTicket(orderId));
 }