public TimelineSystemDirectory(ISystemEntry parent, string name, Func<CancellationToken, Timeline> timeline)
: base(parent, name)
{
this._SeedTimeline = timeline;
this._StatusReadOnlyList = new WrappedReadOnlyObservableList<StatusSystemEntry>(this._StatusList);
}
private void InitListIfFirst(CancellationToken token)
{
if(this._SeedTimeline != null){
var timeline = this._SeedTimeline(token);
this._StatusList = new ObservableSortedSkipList<StatusSystemEntry>(
timeline.Select(status => new StatusSystemEntry(this, status)),
new ReversedComparer<StatusSystemEntry>(Comparer<StatusSystemEntry>.Default),
false);
this._OldestTimeline = this._NewestTimeline = timeline;
this._StatusReadOnlyList = new WrappedReadOnlyObservableList<StatusSystemEntry>(this._StatusList);
this._SeedTimeline = null;
}
}