//This method is used to Display the strong Components
public static void displayStrongComponent()
{
var tcd = new TarjanCycleDetectStack();
var cycle_list = tcd.DetectCycle(graph_nodes);
Console.WriteLine("\nThere are {0} strong component / components in the graph", cycle_list.Count);
for (int i = 0; i < cycle_list.Count; i++)
{
Console.WriteLine("\nThe Strong Component number {0} is \n", i);
for (int j = 0; j < cycle_list[i].Count; j++)
{
var myKey = FileNamesGraph[cycle_list[i][j].Id];
Console.WriteLine(myKey);
}
}
}
public static void displayStrongComponent()
{
var tcd = new TarjanCycleDetectStack();
var cycle_list = tcd.DetectCycle(graph_nodes);
Console.WriteLine(" There are {0} strong component in the graph", cycle_list.Count);
Console.WriteLine(" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
for (int i = 0; i < cycle_list.Count; i++)
{
Console.WriteLine(" {0} Strong Component is", i + 1);
Console.WriteLine(" -------------------------");
for (int j = 0; j < cycle_list[i].Count; j++)
{
var myKey = FileNamesGraph[cycle_list[i][j].Id];
Console.WriteLine(" " + myKey);
}
}
}
public void TarjanStackTest()
{
// tests simple model presented on https://en.wikipedia.org/wiki/Tarjan%27s_strongly_connected_components_algorithm
var graph_nodes = new List <Vertex>();
var v1 = new Vertex()
{
Id = 1
};
var v2 = new Vertex()
{
Id = 2
};
var v3 = new Vertex()
{
Id = 3
};
var v4 = new Vertex()
{
Id = 4
};
var v5 = new Vertex()
{
Id = 5
};
var v6 = new Vertex()
{
Id = 6
};
var v7 = new Vertex()
{
Id = 7
};
var v8 = new Vertex()
{
Id = 8
};
v1.Dependencies.Add(v2);
v2.Dependencies.Add(v3);
v3.Dependencies.Add(v1);
v4.Dependencies.Add(v3);
v4.Dependencies.Add(v5);
v5.Dependencies.Add(v4);
v5.Dependencies.Add(v6);
v6.Dependencies.Add(v3);
v6.Dependencies.Add(v7);
v7.Dependencies.Add(v6);
v8.Dependencies.Add(v7);
v8.Dependencies.Add(v5);
v8.Dependencies.Add(v8);
graph_nodes.Add(v1);
graph_nodes.Add(v2);
graph_nodes.Add(v3);
graph_nodes.Add(v4);
graph_nodes.Add(v5);
graph_nodes.Add(v6);
graph_nodes.Add(v7);
graph_nodes.Add(v8);
var tcd = new TarjanCycleDetectStack();
var cycle_list = tcd.DetectCycle(graph_nodes);
Assert.True(cycle_list.Count == 4);
}
