WCF Stock Market

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.ServiceModel;
using Interfaces;
using Data;
using Service;

namespace Client
{
    class StockClient : IClientCallback
    {
        public void SubmitDealCallback(StockDeal deal)
        {
            Console.Write("The deal of {0} stock {1} at price {2} and amount {3} is REGISTERED!", (deal.DealType == 0 ? "purchase" : "sale"), deal.Ticker, deal.Price, deal.Amount);
        }

        public void DealDoneCallback(StockDeal deal)
        {
            Console.Write("The deal of {0} stock {1} at price {2} and amount {3} is DONE!", (deal.DealType == 0 ? "purchase" : "sale"), deal.Ticker, deal.Price, deal.Amount);
        }

        public void Callback()
        {
            Console.Write("callback/n");
        }
       
    }
}