/// <summary>
/// Calculates the cumulative weights if it's needed
/// </summary>
public void Build()
{
if (!_forceRecalculation)
{
return;
}
_forceRecalculation = false;
(_cumulativeWeights, _totalCumulativeWeight) =
WeightedHelper <T> .CalculateCumulativeWeights(_items, _integerFactor);
// If the selector don't allow duplicates then it have to create a copy of the weights in list form
if (!_options.HasFlag(SelectorOptions.AllowDuplicates))
{
_cumulativeWeightsList = _cumulativeWeights.ToList();
}
}
