public static double CalculateP(BitArray value, int k, DerivativeCache <double> cache = null)
{
if (null == cache)
{
return(BinaryDerivativeDelegate(value, k));
}
else
{
return(cache.GetOrCreate(new MultiKey(value, k), BinaryDerivativeDelegate).GetAwaiter().GetResult());
}
}
public static void EnableCache()
{
_cacheEnabled = true;
if (!int.TryParse(ConfigurationManager.AppSettings["slidingExpirationSecond"], out var slidingExpiration))
{
slidingExpiration = 600;
}
if (!int.TryParse(ConfigurationManager.AppSettings["absoluteExpirationSeconds"], out var absoluteExpiration))
{
absoluteExpiration = 3600;
}
_cache = new DerivativeCache <double>(slidingExpiration, absoluteExpiration);
}
public static void DisableCache()
{
_cacheEnabled = false;
_cache = null;
}