public LinkIndex Count(IList <LinkIndex> restrictions)
{
if (restrictions.IsNullOrEmpty())
{
return(Links.Count(Constants.Any, Options.SequenceMarkerLink, Constants.Any));
}
if (restrictions.Count == 1) // Первая связь это адрес
{
var sequenceIndex = restrictions[0];
if (sequenceIndex == Constants.Null)
{
return(0);
}
if (sequenceIndex == Constants.Any)
{
return(Count(null));
}
if (Options.UseSequenceMarker)
{
return(Links.Count(Constants.Any, Options.SequenceMarkerLink, sequenceIndex));
}
return(Links.Exists(sequenceIndex) ? 1UL : 0);
}
throw new NotImplementedException();
}
public bool Exist(Link link)
{
if (Links.Exists(p => p.Url == link.Url && p.TimeDuration != -1))
{
return(true);
}
return(false);
}
/// <summary>
/// If Link not founded in allLinks, add the Link and return AddState.AddAsNew
/// If Link exist in allLinks and input Link have different location it
/// setup the link Location.All and return AddAsAllLocation
/// If input Link exist in allLinks and it equal, function return ExistEquals
/// </summary>
public async Task <AddState> AddAsync(Link link)
{
link.Url = LinkFilter.WWWConvert(link.Url);
if (link.Url.EndsWith("/") == false)
{
link.Url = link.Url + "/";
}
if (Links.Exists(p => (p.Url == link.Url)) == false)
{
lock (this.Links)
{
this.Links.Add(link);
}
return(AddState.AddAsNew);
}
else
{
Link foundedLink = this.Links.Find(p => (p.Url == link.Url));
if (foundedLink.TimeDuration == -1 && link.TimeDuration == -1)
{
return(AddState.ExistWithoutTime);
}
if (foundedLink.TimeDuration == -1)
{
foundedLink.TimeDuration = link.TimeDuration;
}
if (foundedLink.LocationUrl != link.LocationUrl && foundedLink.LocationUrl != LocationUrl.All)
{
foundedLink.LocationUrl = LocationUrl.All;
return(AddState.AddAsAllLocation);
}
return(AddState.ExistNormal);
}
}
} // Vertex
public bool IsLinkExists(Vertex v) =>
Links.Exists(x => x.From == this) && Links.Exists(x => x.To == v) || Links.Exists(x => x.From == v) && Links.Exists(x => x.To == this);