/// <summary>
/// Expects an incoming <code>Vertex</code> and projects it to a <code>Map</code> with the specified <code>Enrichment</code>>
/// values passed to it.
/// </summary>
public static GraphTraversal <Vertex, IDictionary <string, object> > Enrich(this GraphTraversal <Vertex, Vertex> t, bool includeIdLabel, params Enrichment[] enrichments)
{
var projectTraversals = enrichments.Select(e => e.GetTraversals()).SelectMany(i => i).ToList();
if (includeIdLabel)
{
projectTraversals.Add(__.Id());
projectTraversals.Add(__.Map <object>(__.Label()));
}
var keys = enrichments.Select(e => e.GetProjectedKeys()).SelectMany(i => i).ToList();
if (includeIdLabel)
{
keys.Add("id");
keys.Add("label");
}
var projectedKeys = keys.GetRange(1, keys.Count() - 1).ToArray();
var te = t.Project <object>(keys.First(), projectedKeys);
foreach (GraphTraversal <object, object> projectTraversal in projectTraversals)
{
te = te.By(projectTraversal);
}
return(te);
}