private E CreateEdge(string startVertexId, string endVertexId, double weightValue)
{
V startVertex = (V)CreateVertex(startVertexId);
V endVertex = (V)CreateVertex(endVertexId);
W weight = (W)CreateWeight(weightValue);
return((E)edgeFactory.CreateEdge(startVertex, endVertex, weight));
}
/// <summary>
///
/// </summary>
/// <param name="u"></param>
/// <param name="v"></param>
/// <param name="weight"></param>
private IEdge <T> AddUndirectedEdge(INode <T> u, INode <T> v, decimal weight)
{
if (u == null)
{
throw new ArgumentNullException("u");
}
if (v == null)
{
throw new ArgumentNullException("v");
}
INode <T> uNode = null;
INode <T> vNode = null;
if (Contains(u))
{
uNode = Nodes[u.Key];
}
else
{
AddNode(u);
uNode = u;
}
if (Contains(v))
{
vNode = Nodes[v.Key];
}
else
{
AddNode(v);
vNode = v;
}
IEdge <T> retEdge = null;
if (EdgeFactory == null)
{
retEdge = uNode.AddAdjacentNode(vNode);
vNode.AddAdjacentNode(uNode);
}
else
{
retEdge = uNode.AddAdjacentNode(vNode, EdgeFactory.CreateEdge());
vNode.AddAdjacentNode(uNode, EdgeFactory.CreateEdge());
}
uNode[vNode].Cost = weight;
vNode[uNode].Cost = weight;
return(retEdge);
}
