internal void Write(SeriesSymbolData series)
{
try {
string sFile = string.Format("{0}\\{1}\\{2}", __sPath, (series.DataRequest.Resolution.TotalSeconds < Resolution.MAX_BASE_TOTALSECONDS) ? "mins" : "days", series.DataRequest.Symbol);
using (FileStream cStream = new FileStream(sFile, (__bCreate) ? FileMode.Create : FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.ReadWrite)) {
if (!__bCreate)
{
long lCount = cStream.Length / MAX_BLOCK_SIZE;
if (lCount > 0)
{
FileSearchUtil.BinarySearch(cStream, lCount, MAX_BLOCK_SIZE, series.Time[0]);
}
}
ZBuffer cBuffer = new ZBuffer(64);
int iHistoryIndex = series.Indexer.HistoryIndex;
int iCount = series.Count;
for (int i = 0; i < iCount; i++)
{
int iIndex = iHistoryIndex + i;
cBuffer.Length = 0;
cBuffer.Add(series.Time[iIndex]);
cBuffer.Add(series.Open[iIndex]);
cBuffer.Add(series.High[iIndex]);
cBuffer.Add(series.Low[iIndex]);
cBuffer.Add(series.Close[iIndex]);
cBuffer.Add(series.Volume[iIndex]);
cStream.Write(cBuffer.Data, 0, cBuffer.Length);
}
}
if (logger.IsInfoEnabled)
{
logger.InfoFormat("[FileWrite] {0} write completed... count={1}", sFile, series.Count);
}
} catch (Exception __errExcep) {
if (logger.IsErrorEnabled)
{
logger.ErrorFormat("[FileWrite] '{0}' write error...", series.DataRequest.Symbol, series.Count);
}
if (logger.IsErrorEnabled)
{
logger.ErrorFormat("{0}/r/n{1}", __errExcep.Message, __errExcep.StackTrace);
}
}
}
/// <summary>
/// 取代資訊
/// </summary>
/// <param name="series">SeriesSymbolData 類別</param>
/// <param name="date">欲取代的日期(該指定的日期的資料會被取代掉)</param>
internal void Replace(SeriesSymbolData series, DateTime date)
{
try {
string sFile = string.Format("{0}\\{1}\\{2}", __sPath, (series.DataRequest.Resolution.TotalSeconds < Resolution.MAX_BASE_TOTALSECONDS) ? "mins" : "days", series.DataRequest.Symbol);
using (FileStream cStream = new FileStream(sFile, (__bCreate) ? FileMode.Create : FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.ReadWrite)) {
bool bFind = true;
if (!__bCreate)
{
long lCount = cStream.Length / MAX_BLOCK_SIZE;
bFind = FileSearchUtil.BinarySearch(cStream, lCount, MAX_BLOCK_SIZE, date);
}
if (bFind)
{
long lCurrentP = cStream.Position;
//先保留後面的資料以便插入時不會被覆蓋
ZBuffer cTemp = null;
FileSearchUtil.SearchNextDate(cStream, MAX_BLOCK_SIZE, date);
long lNextPos = cStream.Position;
long lRevSize = cStream.Length - lNextPos;
if (lRevSize > 0)
{
cTemp = new ZBuffer((int)lRevSize);
cStream.Read(cTemp.Data, 0, (int)lRevSize);
cTemp.Length = (int)lRevSize;
}
cStream.SetLength(lCurrentP + 1);
cStream.Position = lCurrentP; //移動置固定位置
ZBuffer cBuffer = new ZBuffer(64);
int iHistoryIndex = series.Indexer.HistoryIndex;
int iCount = series.Count;
for (int i = 0; i < iCount; i++)
{
int iIndex = iHistoryIndex + i;
cBuffer.Length = 0;
cBuffer.Add(series.Time[iIndex]);
cBuffer.Add(series.Open[iIndex]);
cBuffer.Add(series.High[iIndex]);
cBuffer.Add(series.Low[iIndex]);
cBuffer.Add(series.Close[iIndex]);
cBuffer.Add(series.Volume[iIndex]);
cStream.Write(cBuffer.Data, 0, cBuffer.Length);
}
if (cTemp != null)
{
cStream.Write(cTemp.Data, 0, cTemp.Length); //再將後面的資料合併
}
}
}
if (logger.IsInfoEnabled)
{
logger.InfoFormat("[FileWrite] {0} replace completed... count={1}", sFile, series.Count);
}
} catch (Exception __errExcep) {
if (logger.IsErrorEnabled)
{
logger.ErrorFormat("[FileWrite] '{0}' replace error...", series.DataRequest.Symbol, series.Count);
}
if (logger.IsErrorEnabled)
{
logger.ErrorFormat("{0}/r/n{1}", __errExcep.Message, __errExcep.StackTrace);
}
}
}
