public GraphSubject EnsureGraphSubject(GraphIssuer graphIssuer, string subjectId)
{
var index = EnsureGraphIssuer(subjectId).Index;
if (!graphIssuer.Subjects.ContainsKey(index))
{
var graphSubject = CreateGraphSubject(subjectId);
graphIssuer.Subjects.Add(index, graphSubject);
}
return(graphIssuer.Subjects[index]);
}
protected void SearchIssuer(QueryContext context, GraphIssuer issuer)
{
var tracker = new GraphTracker(issuer);
context.Tracker.Push(tracker);
// Set the Issuer to visited bit, avoiding re-searching the issuer
context.Visited.SetFast(issuer.Index, true);
// Process current level
if (context.Tracker.Count == context.Level)
{
context.IssuerCount++;
// Run though all targets
foreach (var targetIndex in context.Targets.Keys)
{
// Check the current issuer if it has trusted the target!
if (!issuer.TryGetSubject(targetIndex, out GraphSubject graphSubject))
{
continue;
}
tracker.SubjectKey = targetIndex;
context.SubjectCount++;
SearchSubject(context, tracker, graphSubject);
}
}
else
{ // Otherwise continue down!
if (issuer.SubjectsCount() > 0)
{
foreach (var subjectEntry in issuer.Subjects) // Need only to iterate subjects that are entities not things
{
tracker.SubjectKey = subjectEntry.Key;
if (context.Visited.GetFast(subjectEntry.Value.TargetIssuer.Index))
{
continue;
}
if (FollowIssuer(context, subjectEntry.Value))
{
SearchIssuer(context, subjectEntry.Value.TargetIssuer);
}
}
}
}
context.Tracker.Pop();
}
public GraphIssuer EnsureGraphIssuer(string issuerId)
{
if (!Graph.IssuerIndex.TryGetValue(issuerId, out int index))
{
index = Graph.Issuers.Count;
var issuer = new GraphIssuer {
Id = issuerId, Index = index
};
Graph.Issuers.Add(issuer);
Graph.IssuerIndex.Add(issuerId, index);
return(issuer);
}
return(Graph.Issuers[index]);
}
