public Workpool(UseCaseHandler <object> handler = null, params UseCase <TaskModel, object>[] useCases)
{
_useCases = useCases;
Handler = handler;
Count = PendingCount = useCases.Length;
Result = new List <TaskModel>();
Exceptions = new List <Exception>();
}
internal TodoListViewModel(CrossController controller)
{
TodoList = new ObservableCollection <TaskModel>();
_controller = controller;
_controller.ControlBlocked += OnBlockingOperationsStarted;
_controller.ControlFreed += OnBlockingOperationsFinished;
_useCaseHandler = new UseCaseHandler <IEnumerable <TaskModel> >(
onComplete: OnUseCaseComplete,
onError: e => OnError?.Invoke(this, new ErrorEventArgs(e)));
}
public void Execute(UseCaseHandler <object> handler = null)
{
if (handler != null)
{
Handler = handler;
}
Handler?.OnStart?.Invoke();
var tasks = new List <Task>();
foreach (var useCase in _useCases)
{
var currentHandler = useCase.Execute(OnComplete, OnError, OnStart);
tasks.Add(currentHandler.ExecutingTask);
}
Task.WaitAll(tasks.ToArray());
Handler?.OnComplete?.Invoke(Result);
}
