/// <summary>
/// Queues a transition in worker state for processing. Returns a task that can be awaited
/// when the operation completes.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>The awaitable task.</returns>
private Task <WorkerState> QueueStateChange(StateChangeRequest request)
{
lock (SyncLock)
{
if (StateChangeTask != null)
{
return(StateChangeTask);
}
var waitingTask = new Task <WorkerState>(() =>
{
StateChangedEvent.Wait();
lock (SyncLock)
{
StateChangeTask = null;
return(WorkerState);
}
});
StateChangeTask = waitingTask;
StateChangedEvent.Reset();
StateChangeRequests[request] = true;
waitingTask.Start();
CycleCancellation.Cancel();
return(waitingTask);
}
}
public void TestStateChange()
{
var world = new World("Test world");
var em = world.EntityManager;
var system = world.CreateSystem <CharacterSystem>();
var obj = em.CreateEntity();
var obj2 = em.CreateEntity();
em.AddComponentData(obj, StateChangeRequest.Create <Dead>());
em.AddComponentData(obj2, StateChangeRequest.Create <Alive>());
system.Update();
system.Update();
Assert.IsTrue(StateUtility.IsInState <Dead>(obj, em));
Assert.IsTrue(StateUtility.IsInState <Alive>(obj2, em));
em.AddComponentData(obj, StateChangeRequest.Create <Alive>());
em.AddComponentData(obj2, StateChangeRequest.Create <Dead>());
system.Update();
Assert.IsTrue(StateUtility.IsInState <Alive>(obj, em));
Assert.IsTrue(StateUtility.IsInState <Dead>(obj2, em));
}
private async Task DeleteBook()
{
var confirmParams = new ModalParameters();
confirmParams.Add(nameof(Confirm.ConfirmationMessage), $"آیا از حذف کتاب {BookDto.Title} مطمئن میباشید؟");
var confirmModal = ModalService.Show <Confirm>("تایید حذف", confirmParams);
var result = await confirmModal.Result;
if (!result.Cancelled && (bool)result.Data)
{
await BookWebService.DeleteBook(BookDto.Id);
ToastService.ShowSuccess("حذف کتاب با موفقیت انجام شد");
await StateChangeRequest.InvokeAsync();
}
}
void PUC.IDevice2.HandleMessage(Connection c, PUC.Communication.Message m)
{
Globals.GetFrame(_appliance).AddLogLine(m.ToString());
PUC.Communication.Message newmsg;
if (m is SpecRequest)
{
newmsg = new PUC.Communication.DeviceSpec(_specification);
c.Send(newmsg);
}
else if (m is FullStateRequest)
{
IEnumerator states = _appliance.VariableTable.GetObjectEnumerator();;
while (states.MoveNext())
{
if (!((ApplianceObject)states.Current).State)
{
continue;
}
ApplianceState state = (ApplianceState)states.Current;
if (state.Defined)
{
newmsg = new StateChangeNotification(state.FullName, state.Value.ToString());
}
else
{
newmsg = new StateChangeNotification(state.FullName);
}
c.Send(newmsg);
}
}
else if (m is StateChangeRequest)
{
StateChangeRequest smsg = (StateChangeRequest)m;
try
{
ApplianceState state =
(ApplianceState)_appliance.VariableTable[smsg.GetState()];
if (state != null)
{
string val =
state.Type.ValueSpace.Validate(smsg.Value).ToString();
newmsg = new StateChangeNotification(smsg.GetState(), val);
SendAll(newmsg);
}
}
catch (Exception)
{
}
}
else if (m is CommandInvokeRequest)
{
this.AddLogLine("Command " + ((CommandInvokeRequest)m).GetCommand() + " requested to be invoked.");
}
}
