public static string CalculateShaHash(DataSet ds)
{
int[] yearsMin = (int[])ds.Variables[Namings.VarNameYearMin].GetData();
int[] yearsMax = (int[])ds.Variables[Namings.VarNameYearMax].GetData();
int[] daysMin = (int[])ds.Variables[Namings.VarNameDayMin].GetData();
int[] daysMax = (int[])ds.Variables[Namings.VarNameDayMax].GetData();
int[] hoursMin = (int[])ds.Variables[Namings.VarNameHourMin].GetData();
int[] hoursMax = (int[])ds.Variables[Namings.VarNameHourMax].GetData();
double[] latsMin = (double[])ds.Variables[Namings.VarNameLatMin].GetData();
double[] latsMax = (double[])ds.Variables[Namings.VarNameLatMax].GetData();
double[] lonsMin = (double[])ds.Variables[Namings.VarNameLonMin].GetData();
double[] lonsMax = (double[])ds.Variables[Namings.VarNameLonMax].GetData();
int cellsCount = ds.Dimensions[Namings.dimNameCells].Length;
string metadataNameProvenanceHint = (string)ds.Metadata[Namings.metadataNameProvenanceHint];
string metadataNameParameter = (string)ds.Metadata[Namings.metadataNameParameter];
string metadataNameCoverage = (string)ds.Metadata[Namings.metadataNameCoverage];
MemoryStream memStm = new MemoryStream();
using (BinaryWriter writer = new BinaryWriter(memStm))
{
writer.Write(metadataNameProvenanceHint);
writer.Write(metadataNameParameter);
writer.Write(metadataNameCoverage);
for (int i = 0; i < cellsCount; i++)
{
writer.Write(yearsMin[i]);
writer.Write(yearsMax[i]);
writer.Write(daysMin[i]);
writer.Write(daysMax[i]);
writer.Write(hoursMin[i]);
writer.Write(hoursMax[i]);
writer.Write(latsMin[i]);
writer.Write(latsMax[i]);
writer.Write(lonsMin[i]);
writer.Write(lonsMax[i]);
}
writer.Flush();
writer.BaseStream.Seek(0, SeekOrigin.Begin);
return(ShaHash.HashStreamToHexString(memStm));
}
}
public static string ComputeHash(DataSet ds)
{
return ShaHash.CalculateShaHash(ds);
}
