/// <summary>
/// Runs the "update value" tasks for each enabled <seealso cref="Node"/>. Completes when *any* one of the enabled node update tasks complete.
/// </summary>
/// <returns>
/// The <see cref="Task"/>.
/// </returns>
private async Task UpdateEnabledNodesAsync()
{
Logger.Debug("Starting update tasks for enabled Nodes...");
// var leafNodes = NodeSupervisor.LeafNodes;
NodeCollection presentationEnabledNodes = this.NodeSupervisor.EnabledNodes;
var tasks = new List <Task>();
foreach (Node node in presentationEnabledNodes)
{
Task task = node.TaskManager.UpdateAsync();
tasks.Add(task);
}
try
{
// TODO - OPTIMIZE - Problem: One node task can still delay the entire scanner task. Solution: Use the previous node value if the node task did not complete in time during the scanner inerval.Use the most recent value only after the node task completes.
await Task.WhenAny(tasks);
}
catch (AggregateException ae)
{
Logger.Error(ae.Message);
foreach (Exception e in ae.InnerExceptions)
{
Logger.Error(e.Message);
}
}
catch (TaskCanceledException tce)
{
Logger.Error(tce.Message);
}
catch (OperationCanceledException oce)
{
Logger.Error(oce.Message);
}
}
/// <summary>
/// Processes the <see cref="Node.InitializedNodes"/> and assigns them to various collections.
/// </summary>
internal void BuildNodeCollections()
{
this.EnabledNodes = this.FilterEnabledNodes(Node.InitializedNodes);
////RootNodes = FilterRootNodes(Node.InitializedNodes);
////LeafNodes = FilterLeafNodes(RootNodes);
}
