internal override Node RemoveChild(UpdateTreeCommand command)
{
if (!ImmutableInterlocked.TryRemove(ref children, command.Item.Id, out var child))
{
return(null);
}
child.pipeline?.OnRemoved(root, this, child, command);
return(child);
//root.log.LogDebug("Tree: RemoveChild spent {TreeTicks} ticks in tree and {PipelineTicks} in pipeline.", t1, watch.Elapsed.Ticks - t1);
}
internal override void AddChild(UpdateTreeCommand command, Node newNode)
{
//ImmutableInterlocked.AddOrUpdate(ref children, command.Item.Id, _ => newNode, (k,v) => newNode);
if (ImmutableInterlocked.TryAdd(ref children, command.Item.Id, newNode))
{
newNode.SetParent(this);
newNode.pipeline?.OnAdded(root, this, newNode, command);
return;
}
//root.log.LogDebug("Tree: AddChild spent {TreeTicks} ticks in tree and {PipelineTicks} in pipeline.", t1, watch.Elapsed.Ticks - t1);
if (root is SystemTree && command.Action == ETreeAction.Add && command.NodeType == ENodeType.Market)
{
root.log.LogDebug("Tree: AddChild failed due to market already in child collection!");
}
}
public RecordersViewModel(NamingServiceManager manager)
{
_manager = manager;
_recorders = new ObservableCollection <Recorder>();
RecorderViewModels = ViewModelHelper.CreateReadOnlyDispatcherCollection <RecorderControlViewModel, Recorder>(
_recorders,
recorder => new RecorderControlViewModel(this, recorder),
DispatcherHelper.UIDispatcher);
NamingServiceTree = ViewModelHelper.CreateReadOnlyDispatcherCollection <TreeViewItemViewModel, TreeViewItemViewModel>(
_manager.OutPortTree,
item => item,
DispatcherHelper.UIDispatcher);
// NamingServiceManagerのIsUpdatingの状態が変わったら、UpdateTreeCommandの有効無効を切り替える
Observable.FromEventPattern <PropertyChangedEventArgs>(_manager, "PropertyChanged")
.Where(e => e.EventArgs.PropertyName == "IsUpdating")
.Subscribe(_ => UpdateTreeCommand.RaiseCanExecuteChanged());
}
