/// <summary>
///
/// </summary>
/// <param name="rowIndex"></param>
/// <returns></returns>
public FetchPoint GetRow(int rowIndex)
{
int numCols = ColumnCount;
FetchPoint point = new FetchPoint(timestamps[rowIndex], ColumnCount);
for (int dsIndex = 0; dsIndex < numCols; dsIndex++)
{
point.SetValue(dsIndex, values[dsIndex][rowIndex]);
}
return(point);
}
internal FetchPoint[] Fetch(FetchRequest request)
{
if (request.Filter != null)
{
throw new RrdException("Fetch() method does not support filtered datasources." +
" Use fetchData() to get filtered fetch data.");
}
long arcStep = ArcStep;
long fetchStart = Util.Normalize(request.FetchStart, arcStep);
long fetchEnd = Util.Normalize(request.FetchEnd, arcStep);
if (fetchEnd < request.FetchEnd)
{
fetchEnd += arcStep;
}
long startTime = StartTime;
long endTime = EndTime;
int dsCount = robins.Length;
int ptsCount = (int)((fetchEnd - fetchStart) / arcStep + 1);
FetchPoint[] points = new FetchPoint[ptsCount];
for (int i = 0; i < ptsCount; i++)
{
long time = fetchStart + i * arcStep;
FetchPoint point = new FetchPoint(time, dsCount);
if (time >= startTime && time <= endTime)
{
int robinIndex = (int)((time - startTime) / arcStep);
for (int j = 0; j < dsCount; j++)
{
point.SetValue(j, robins[j].GetValue(robinIndex));
}
}
points[i] = point;
}
return(points);
}
