MTP2.0_CSharp/Muchinfo.Common/Fx4.0/Mucinfo.NewWinChart/Easychart.Finance/Easychart.Finance.DataProvider/RandomDataManager.cs

namespace Easychart.Finance.DataProvider
{
    using Easychart.Finance;
    using System;

    public class RandomDataManager : CacheDataManagerBase
    {
        private int MaxCount;

        public RandomDataManager() : this(false)
        {
        }

        public RandomDataManager(ExchangeIntraday ei) : this(ei, 0x3e8)
        {
        }

        public RandomDataManager(bool Intraday) : this(Intraday, 0x3e8)
        {
        }

        public RandomDataManager(ExchangeIntraday ei, int MaxCount)
        {
            base.IntradayInfo = ei;
            this.MaxCount = MaxCount;
        }

        public RandomDataManager(bool Intraday, int MaxCount) : this((ExchangeIntraday) null, MaxCount)
        {
            if (Intraday)
            {
                base.IntradayInfo = ExchangeIntraday.US;
            }
        }

        public override IDataProvider GetData(string Code, int Count)
        {
            CommonDataProvider provider = new CommonDataProvider(this);
            if (Code == null)
            {
                Code = "MSFT";
            }
            Random random = new Random(Code.GetHashCode());
            double[][] ds = new double[6][];
            double[] minuteDate = null;
            if (base.IntradayInfo != null)
            {
                minuteDate = base.IntradayInfo.GetMinuteDate(DateTime.Today.AddDays(-7.0), DateTime.Today);
                this.MaxCount = minuteDate.Length;
            }
            for (int i = 0; i < ds.Length; i++)
            {
                ds[i] = new double[this.MaxCount];
            }
            for (int j = 0; j < this.MaxCount; j++)
            {
                if (j == 0)
                {
                    ds[0][j] = 20.0;
                    ds[3][j] = 21.0;
                    ds[4][j] = 100000.0;
                }
                else
                {
                    ds[0][j] = Math.Round((double) ((ds[0][j - 1] + random.NextDouble()) - 0.48), 2);
                    ds[3][j] = Math.Round((double) ((ds[0][j - 1] + random.NextDouble()) - 0.48), 2);
                    ds[4][j] = Math.Round(Math.Abs((double) ((ds[4][j - 1] + random.Next(0x186a0)) - 50000.0)), 2);
                }
                ds[1][j] = Math.Round((double) (Math.Max(ds[0][j], ds[3][j]) + random.NextDouble()), 2);
                ds[2][j] = Math.Round((double) (Math.Min(ds[0][j], ds[3][j]) - random.NextDouble()), 2);
                if (base.IntradayInfo != null)
                {
                    ds[5][j] = minuteDate[j];
                }
                else
                {
                    ds[5][j] = DateTime.Today.AddDays((double) (j - this.MaxCount)).ToOADate();
                }
            }
            provider.LoadBinary(ds);
            provider.SetStringData("Code", Code);
            return provider;
        }
    }
}