// Method used to cache DataStream objects (new DataLogger)
public YDataStream _findDataStream(YDataSet dataset, string def)
{
string key = dataset.get_functionId() + ":" + def;
if (_dataStreams.ContainsKey(key))
return (YDataStream)_dataStreams[key];
YDataStream newDataStream = new YDataStream(this, dataset, YAPI._decodeWords(def));
_dataStreams.Add(key, newDataStream);
return newDataStream;
}
//--- (generated code: YDataStream implementation)
public virtual int _initFromDataSet(YDataSet dataset, List<int> encoded)
{
int val = 0;
int i = 0;
int iRaw = 0;
int iRef = 0;
double fRaw = 0;
double fRef = 0;
double duration_float = 0;
List<int> iCalib = new List<int>();
// decode sequence header to extract data
this._runNo = encoded[0] + (((encoded[1]) << (16)));
this._utcStamp = encoded[2] + (((encoded[3]) << (16)));
val = encoded[4];
this._isAvg = (((val) & (0x100)) == 0);
this._samplesPerHour = ((val) & (0xff));
if (((val) & (0x100)) != 0)
{
this._samplesPerHour = this._samplesPerHour * 3600;
}
else
{
if (((val) & (0x200)) != 0)
{
this._samplesPerHour = this._samplesPerHour * 60;
}
}
val = encoded[5];
if (val > 32767)
{
val = val - 65536;
}
this._decimals = val;
this._offset = val;
this._scale = encoded[6];
this._isScal = (this._scale != 0);
val = encoded[7];
this._isClosed = (val != 0xffff);
if (val == 0xffff)
{
val = 0;
}
this._nRows = val;
duration_float = this._nRows * 3600 / this._samplesPerHour;
this._duration = (int)Math.Round(duration_float);
// precompute decoding parameters
this._decexp = 1.0;
if (this._scale == 0)
{
i = 0;
while (i < this._decimals)
{
this._decexp = this._decexp * 10.0;
i = i + 1;
}
}
iCalib = dataset.get_calibration();
this._caltyp = iCalib[0];
if (this._caltyp != 0)
{
this._calhdl = YAPI._getCalibrationHandler(this._caltyp);
this._calpar.Clear();
this._calraw.Clear();
this._calref.Clear();
i = 1;
while (i + 1 < iCalib.Count)
{
iRaw = iCalib[i];
iRef = iCalib[i + 1];
this._calpar.Add(iRaw);
this._calpar.Add(iRef);
if (this._isScal)
{
fRaw = iRaw;
fRaw = (fRaw - this._offset) / this._scale;
fRef = iRef;
fRef = (fRef - this._offset) / this._scale;
this._calraw.Add(fRaw);
this._calref.Add(fRef);
}
else
{
this._calraw.Add(YAPI._decimalToDouble(iRaw));
this._calref.Add(YAPI._decimalToDouble(iRef));
}
i = i + 2;
}
}
// preload column names for backward-compatibility
this._functionId = dataset.get_functionId();
if (this._isAvg)
{
this._columnNames.Clear();
this._columnNames.Add("" + this._functionId + "_min");
this._columnNames.Add("" + this._functionId + "_avg");
this._columnNames.Add("" + this._functionId + "_max");
this._nCols = 3;
}
else
{
this._columnNames.Clear();
this._columnNames.Add(this._functionId);
this._nCols = 1;
}
// decode min/avg/max values for the sequence
if (this._nRows > 0)
{
this._minVal = this._decodeVal(encoded[8]);
this._maxVal = this._decodeVal(encoded[9]);
this._avgVal = this._decodeAvg(encoded[10] + (((encoded[11]) << (16))), this._nRows);
}
return 0;
}