private static IEnumerable <IGrouping <int, T> > ToGroupBy <T>(IClustering <T> engine, IEnumerable <T> source)
{
if (engine is null)
{
throw new ArgumentNullException(nameof(engine));
}
else if (source is null)
{
throw new ArgumentNullException(nameof(source));
}
Dictionary <int, List <T> > result = new();
foreach (var(item, cluster) in engine.Clusterize(source))
{
if (result.TryGetValue(cluster, out var list))
{
list.Add(item);
}
else
{
result.Add(cluster, new List <T>()
{
item
});
}
}
int index = 0;
foreach (var pair in result.OrderBy(p => p.Key))
{
yield return(new Grouping <int, T>(index++, pair.Value));
}
}
private void Clustering(IClustering clusterAlgorithm)
{
DialogResult dialogResult = openClassMethodsFile.ShowDialog();
if (dialogResult == DialogResult.OK)
{
string inputfile = openClassMethodsFile.FileName;
Dictionary <string, List <string> > rawClasses = ClassParser.ReadClassEntities(inputfile);
List <INode> clusters = initializeClusters(rawClasses);
List <INode> clustered = clusterAlgorithm.Clusterize(clusters);
ReloadTree(clustered[0]);
}
}
