private void AddNewItemIfNeeded(IStockRealTime realTimeItem)
{
if (_items.Count < 1 ||
realTimeItem.Time - _items.Last().Time > span)
{
var newItem = new StockMinutesKLine
{
Time = new DateTime(
realTimeItem.Time.Year,
realTimeItem.Time.Month,
realTimeItem.Time.Day,
realTimeItem.Time.Hour,
realTimeItem.Time.Minute,
0),
// 当前分析周期的开盘价 = 第一条数据的成交价
Open = realTimeItem.Current,
// 构造第一条数据的时候，就设定好最高、最低的值
High = realTimeItem.Current,
Low = realTimeItem.Current,
};
_items.Add(newItem);
}
}
public void Add(IStockRealTime data)
{
using (var file = RealTimeFile.CreateOrOpen(data.Code, data.Time))
{
RealTimeItem dataItem = data.Convert();
file.Add(dataItem);
}
}
public void Add(IStockRealTime realTimeItem)
{
if (realTimeItem.Time.Date != this.date.Date)
throw new ArgumentOutOfRangeException("item");
// todo: 过滤掉非交易时间的数据
AddNewItemIfNeeded(realTimeItem);
UpdateLastItemInfo(realTimeItem);
}
private bool IsKLineDay(IStockRealTime realTimeData)
{
if(null == realTimeData)
{
return false;
}
// 今天未开盘
if(realTimeData.TodayOpen - 0 < 0.000001)
{
return false;
}
return true;
}
private StockKLine ConvertToDayLine(IStockRealTime realTimeData)
{
StockKLine data = new StockKLine();
// 日期与时间
data.Time = realTimeData.Time.Date;
// 今开
data.Open = realTimeData.TodayOpen;
// 最高
data.High = realTimeData.High;
// 最低
data.Low = realTimeData.Low;
// 收盘
data.Close = realTimeData.Current;
// 成交量
data.Volume = realTimeData.Volume;
// 成交额
data.Amount = realTimeData.Amount;
return data;
}
private void UpdateLastItemInfo(IStockRealTime realTimeItem)
{
StockMinutesKLine currentItem = _items.Last();
currentItem.Close = realTimeItem.Current;
// 取得最高价和最低价
if(realTimeItem.Current > currentItem.High)
{
currentItem.High = realTimeItem.Current;
}
else if(realTimeItem.Current < currentItem.Low)
{
currentItem.Low = realTimeItem.Current;
}
//// 根据前面的数据，求出分时成交量和成交额, 以及前收盘价
//if (_items.Count > 1)
//{
// StockMinutesKLine previousDate = _items[_items.Count - 2];
// currentItem.Volume = realTimeItem.Volume - previousDate.CurrentTotalVolume;
// currentItem.Amount = realTimeItem.Amount - previousDate.CurrentTotalAmount;
// currentItem.PreClose = previousDate.Current;
//}
//else
//{
// currentItem.Volume = realTimeItem.Volume;
// currentItem.Amount = realTimeItem.Amount;
// // 如果是某一天的第一条数据，前收盘价就取昨日收盘价
// currentItem.PreClose = realTimeItem.YesterdayClose;
//}
}
