private void GetHomelessLinks(List<Link> _homelessLinks, Link link)
{
bool exists = false;
//check if current source is called anywhere (is it an orphan?)
foreach (Link item in _entityTreeLinks)
{
//for a link source, look through all other links to see if it is called (as target)
if (item.Target.Equals(link.Source))
{
exists = true;
}
}
//if link source node does NOT exist as tree-link target
if (!exists && !link.Source.Equals(0))
{
_homelessLinks.Add(link);
}
}
private Link AddNonTreeLink(Node source, Node target)
{
//write processing output to same line
Console.Write("Building Link from {0} to {1} \r", source.name, target.name);
Link link = new Link();
link.Source = source.id;
link.Target = target.id;
link.Id = entityLinkCount;
_entityLinks.Add(link);
_entityNonTreeLinks.Add(link);
entityLinkCount++;
return link;
}
private Link AddTreeLink(Node source, Node target)
{
//write processing output to same line
Console.Write("Building Link from {0} to {1} \r", source.name, target.name);
//add a 2nd check that inverse link does not exist as tree
var loopLink = (from m in _entityTreeLinks
where m.Target == source.id
&& m.Source == target.id
select m);
Link link = new Link();
link.Source = source.id;
link.Target = target.id;
if (!loopLink.Any())
{
link.Id = entityLinkCount;
_entityLinks.Add(link);
_entityTreeLinks.Add(link);
entityLinkCount++;
}
return link;
}
private Link AddLink(Node source, Node target)
{
//this is to fix a multi-line console display bug
var bucket = (from b in _entityBucketNodes
where b.name == source.name
select b);
if (!bucket.Any())
{
//write processing output to same line
Console.Write("Building Link from {0} to {1} \r", source.name, target.name);
}
Link link = new Link();
link.Source = source.id;
link.Target = target.id;
//Add system to bucket links
if (source.id.Equals(0))
{
link.Id = entityLinkCount;
_entityLinks.Add(link);
_entityTreeLinks.Add(link);
entityLinkCount++;
}
//add other entity links
else
{
//if target does not already exist
var targetExists = (from n in _entityTreeLinks
where n.Target.Equals(link.Target)
select n);
//Add to list as tree
if (!targetExists.Any())
{
link.Id = entityLinkCount;
_entityLinks.Add(link);
_entityTreeLinks.Add(link);
entityLinkCount++;
}
//If not tree link, add non-tree link
else
{
var linkExists = (from n in _entityLinks
where n.Source.Equals(link.Source)
&& n.Target.Equals(link.Target)
select n);
if (!linkExists.Any())
{
link.Id = entityLinkCount; ;
_entityLinks.Add(link);
_entityNonTreeLinks.Add(link);
entityLinkCount++;
}
}
}
return link;
}