/// <summary>
/// Calculates the rank for the graph specified by the provided scope.
/// For ranks normalized between 0 and 1, use the CalculateNormalizedRank
/// method.
/// </summary>
/// <param name="scope">The scope for the graph to be ranked</param>
/// <returns>the ranking for the nodes on the graph in the form
/// of a dictionary of nodes and their scores. The ranking is
/// normalized between 0 and 1.</returns>
public override Dictionary <INode, double> CalculateRank(string scope)
{
// Valid the scope parameter
if (string.IsNullOrEmpty(scope))
{
throw new ArgumentNullException("Scope", "No scope was provided");
}
// Initialize the results dictionary
Dictionary <INode, double> results = new Dictionary <INode, double>();
// Get the graph data using the provided scope
GraphData graph = GraphManager.Instance.GetGraphComponents(scope).Data;
// Loop over all the nodes in the graph
foreach (INode node in graph.Nodes)
{
// Get the degree for the current node
results[node] = graph.Degree(node);
}
return(results);
}
/// <summary>
/// Returns the number of edges for the provided Node
/// </summary>
/// <param name="node">The Node to count the edges for</param>
/// <returns>the number of edges for the Node</returns>
public int GetNumberOfEdges(INode node)
{
return(graphData.Degree(node));
}