/// <summary>
/// CancelBlocker a task :
/// remove a task from either To do or in progress
/// </summary>
/// <param name="task"></param>
public void Cancel(SymuTask task)
{
if (task == null)
{
throw new ArgumentNullException(nameof(task));
}
if (!task.IsAssigned)
{
return;
}
var todo = ToDo.Contains(task);
var inProgress = InProgress.Contains(task);
if (todo)
{
ToDo.Remove(task);
}
else if (inProgress)
{
InProgress.Remove(task);
}
else
{
return;
}
task.Cancel();
if (_debug)
{
Cancelled.Add(task);
}
// We don't want to track message as Task
if (task.Parent is Message)
{
return;
}
if (todo)
{
TaskResult.ToDo--;
}
else
{
TaskResult.InProgress--;
}
TaskResult.Cancelled++;
}