public static (string[] path, int distance) Dijkstra(ISearchableGraph graph, string from, string to)
{
var startNode = new DijkstraNode(graph, from, 0, to);
var result = Search <HeapPriorityQueue <SearchNode> > .Execute(startNode);
var path = result.GetPath().Select(sn => {
var gsn = sn as DijkstraNode;
return(gsn.graphNode);
}).ToArray();
return(path, result.cost);
}
public DijkstraNode(ISearchableGraph graph, string graphNode, int cost, string targetNode, DijkstraNode parent = null) : base(cost, parent)
{
this.graph = graph;
this.graphNode = graphNode;
this.targetNode = targetNode;
}