private void RunUpdate(UpdateNode <TTrigger> node, UpdateChain chain)
{
var triggers = chain.CurrentTriggers;
triggers.Clear();
triggers.UnionWith(node.IncommingTriggers);
triggers.IntersectWith(TriggeredUpdatesSinceStart);
if (triggers.Count <= 0)
{
return;
}
try
{
SetCurrentNode(node);
node.Function.Invoke(chain);
}
catch (Exception e)
{
var messageBuilder = new StringBuilder();
messageBuilder
.Append(CurrentNodeExceptionHeader)
.AppendLine(" threw an exception:")
.AppendLine(e.Message)
.AppendLine()
.Append(UpdateChainAsString);
ThrowUpdateError(new UpdateGraphException(messageBuilder.ToString(), e));
}
}
public void AddUpdate(IEnumerable <TTrigger> incomming, UpdateFunction <TTrigger> function, IEnumerable <TTrigger> potentialTriggers)
{
if (!UpdaterToNodeDictionary.TryGetValue(function.Updater, out var node))
{
node = new UpdateNode <TTrigger>(function);
UpdaterToNodeDictionary.Add(function.Updater, node);
}
node.NodeRegisterCount++;
node.AddName(function.Name);
foreach (var inc in incomming)
{
if (node.AddIncomming(inc))
{
TriggerToTriggeredNodesDictionary.Add(inc, node);
}
}
foreach (var inc in potentialTriggers)
{
if (node.AddOutgoing(inc))
{
TriggerToTriggeringNodesDictionary.Add(inc, node);
}
}
}
private bool Visit(List <UpdateNode <TTrigger> > L, UpdateNode <TTrigger> n)
{
if (n.Mark == Mark.PermanentMark)
{
return(false);
}
if (n.Mark == Mark.TemporaryMark)
{
return(true); // Cycle found
}
n.Mark = Mark.TemporaryMark;
foreach (var m in GetTriggeredNodes(n.OutgoingTriggers))
{
if (Visit(L, m))
{
return(true);
}
}
n.Mark = Mark.PermanentMark;
L.Add(n);
return(false);
}
private void SetCurrentNode(UpdateNode <TTrigger> node)
{
CurrentUpdateNode = node;
RunUpdateNodes.Add(node);
}