public double ValueWhen(int offset, Func <double, int, bool> callback, ReferenceSeries searchPattern)
{
var allNumericSeries = DataSeriesManager.getAllNumericSerries();
var index = allNumericSeries.FindIndex(x => x.Name == searchPattern.Name);
var result = -1D;
var counter = 0;
if (index != -1)
{
for (int i = 0; i < HistoryDataSeries.Count - 1; i++)
{
if (Convert.ToBoolean(callback(allNumericSeries[index].GetValueByIndex(i), i)))
{
result = searchPattern.Value;
counter += 1;
if (counter == offset)
{
break;
}
}
}
}
return(result);
}
private ICustomData <double, double> ExtremumSince(int offset, Func <double, int, bool> callback, ICustomData <double, double> searchData, EXTREMUM type)
{
var allNumericSeries = DataSeriesManager.getAllNumericSerries();
var name = type == EXTREMUM.High ? $"highestSince{searchData.Name}{offset}" : $"lowestSince{searchData.Name}{offset}";
var indexOfRequiredHighest = allNumericSeries.FindIndex(x => x.Name == name);
if (indexOfRequiredHighest != -1)
{
var index = allNumericSeries.FindIndex(x => x.Name == searchData.Name);
if (index != -1)
{
for (int i = 0; i < HistoryDataSeries.Count - 1; i++)
{
if (Convert.ToBoolean(callback(allNumericSeries[index].GetValueByIndex(i), i)))
{
allNumericSeries[indexOfRequiredHighest].GetValue(i);
break;
}
}
}
return(allNumericSeries[indexOfRequiredHighest] as CUSTOM);
}
else
{
return(AddCustom(name, (value) =>
{
var index = allNumericSeries.FindIndex(x => x.Name == searchData.Name);
if (index != -1)
{
var result = allNumericSeries[index].GetValueByIndex(0);
for (int j = 0; j < value; j++)
{
result = type == EXTREMUM.High ? allNumericSeries[index].GetValueByIndex(j) > result ? allNumericSeries[index].GetValueByIndex(j) : result
: allNumericSeries[index].GetValueByIndex(j) < result ? allNumericSeries[index].GetValueByIndex(j) : result;
}
return result;
}
return 0D;
}));
}
}
public int BarsSince(ICustomData <double, double> a, double b, Func <double, double, bool> callback)
{
var allNumericSeries = DataSeriesManager.getAllNumericSerries();
var index = allNumericSeries.FindIndex(x => x.Name == a.Name);
var result = -1;
if (index != -1)
{
for (int i = 0; i < HistoryDataSeries.Count - 1; i++)
{
if (callback(allNumericSeries[index].GetValueByIndex(i), b))
{
result = i;
break;
}
}
}
return(result);
}