public static TLink DeleteIfExists <TLink>(this ILinks <TLink> links, TLink source, TLink target)
{
var link = links.SearchOrDefault(source, target);
if (!EqualityComparer <TLink> .Default.Equals(link, default))
{
links.Delete(link);
return(link);
}
return(default);
public static TLink GetOrCreate <TLink>(this ILinks <TLink> links, TLink source, TLink target)
{
var link = links.SearchOrDefault(source, target);
if (EqualityComparer <TLink> .Default.Equals(link, default))
{
link = links.CreateAndUpdate(source, target);
}
return(link);
}
public static void RunRandomSearches <TLink>(this ILinks <TLink> links, ulong amountOfSearches)
{
var random = RandomHelpers.Default;
var addressToUInt64Converter = UncheckedConverter <TLink, ulong> .Default;
var uInt64ToAddressConverter = UncheckedConverter <ulong, TLink> .Default;
for (var i = 0UL; i < amountOfSearches; i++)
{
var linksAddressRange = new Range <ulong>(0, addressToUInt64Converter.Convert(links.Count()));
var source = uInt64ToAddressConverter.Convert(random.NextUInt64(linksAddressRange));
var target = uInt64ToAddressConverter.Convert(random.NextUInt64(linksAddressRange));
links.SearchOrDefault(source, target);
}
}
public static TLink UpdateOrCreateOrGet <TLink>(this ILinks <TLink> links, TLink source, TLink target, TLink newSource, TLink newTarget)
{
var equalityComparer = EqualityComparer <TLink> .Default;
var link = links.SearchOrDefault(source, target);
if (equalityComparer.Equals(link, default))
{
return(links.CreateAndUpdate(newSource, newTarget));
}
if (equalityComparer.Equals(newSource, source) && equalityComparer.Equals(newTarget, target))
{
return(link);
}
return(links.Update(link, newSource, newTarget));
}
public bool IsMatched(TLink sequenceCandidate) => _equalityComparer.Equals(_links.GetSource(sequenceCandidate), _sequenceMarkerLink) || !_equalityComparer.Equals(_links.SearchOrDefault(_sequenceMarkerLink, sequenceCandidate), _links.Constants.Null);
private ulong GetFrequency(ulong source, ulong target)
{
return(GetFrequency(_links.SearchOrDefault(source, target), source, target));
}