public void AddDependent(GraphNode node)
{
if (outgoing == null)
{
outgoing = new List<GraphNode>();
}
outgoing.Add(node);
}
public void SimpleUsage()
{
GraphNode parent = new GraphNode();
GraphNode child = new GraphNode();
parent.AddDependent(child);
Assert.AreSame( child, parent.Dependents[0] );
}
public void AddDependent(GraphNode node)
{
var collection = outgoing;
if (collection == null)
{
var @new = new SimpleThreadSafeCollection<GraphNode>();
collection = Interlocked.CompareExchange(ref outgoing, @new, null) ?? @new;
}
collection.Add(node);
}
public void Removal()
{
GraphNode parent = new GraphNode();
GraphNode child = new GraphNode();
parent.AddDependent(child);
child.RemoveDepender(parent);
Assert.IsTrue( parent.Dependents.Length == 0 );
Assert.IsTrue( parent.Dependers.Length == 0 );
Assert.IsTrue( child.Dependers.Length == 0 );
Assert.IsTrue( child.Dependents.Length == 0 );
}
public void RemoveDepender(GraphNode depender)
{
Incoming.Remove(depender);
depender.RemoveDependent(this);
}
public void AddDependent(GraphNode node)
{
Outgoing.Add(node);
node.Incoming.Add(this);
}
private void RemoveDependent(GraphNode graphNode)
{
Outgoing.Remove(graphNode);
}