/// <summary>
/// Calculate the rate of change based on the samples currently added.
/// </summary>
/// <returns>
/// The rate of change of the passed values, calculated over the indicated interval.
/// If no samples are available, the rate of change is considered to be 0.
/// </returns>
public TValue GetCurrentRateOfChange()
{
if (_samples.Count == 0)
{
return(CastOperator <double, TValue> .Cast(0));
}
Tuple <TValue, TOver> first = _samples.First();
Tuple <TValue, TOver> last = _samples.Last();
double valueDiff = CastOperator <TValue, double> .Cast(Operator <TValue> .Subtract(last.Item1, first.Item1));
double overDiff = CastOperator <TOver, double> .Cast(Operator <TOver> .Subtract(last.Item2, first.Item2));
return(CastOperator <double, TValue> .Cast(valueDiff / overDiff));
}
public SPFieldType GetDataProviderFieldType(FieldType fieldType)
{
return(fieldTypes.First(x => x.Item1 == fieldType).Item2);
}
public FieldType GetDataMigratorFieldType(SPFieldType providerFieldType)
{
return(providerFieldTypes.First(x => x.Item1 == providerFieldType).Item2);
}
public static string GetMySqlDataTypeStringValue(MySqlDbType mySqlDbType)
{
return(mySqlDbTypes2.First(x => x.Item1 == mySqlDbType).Item2);
}
public FieldType GetDataMigratorFieldType(DbType dbType)
{
return(dbTypes.First(x => x.Item1 == dbType).Item2);
}