//  .Net StockTrader Sample WCF Application for Benchmarking, Performance Analysis and Design Considerations for Service-Oriented Applications

//======================================================================================================
// An interface implemented by the DAL.
//======================================================================================================


using System;
using System.Collections;
using System.Data.SqlClient;
using Trade.BusinessServiceDataContract;

namespace Trade.IDAL
{
    public interface IOrder
    {
        void BeginADOTransaction();
        void RollBackTransaction();
        void CommitADOTransaction();
        void Open(string connString);
        void Close();
        OrderDataModel createOrder(string userID, string symbol, string orderType, double quantity, int holdingID );
        int createHolding(OrderDataModel order);
        void updateHolding(int holdingid, double quantity);
        void updateOrder(OrderDataModel order);
        void deleteHolding(int holdingid);
        QuoteDataModel getQuoteForUpdate(string symbol);
        void closeOrder(OrderDataModel order);
        void updateAccountBalance(int accountID, decimal total);
        void updateStockPriceVolume(double quantity, QuoteDataModel quote);
        HoldingDataModel getHoldingForUpdate(int orderID);
        HoldingDataModel getHolding(int holdingID);
    }
}