public void AmbMultiTest()
{
var now = Scheduler.ThreadPool.Now;
var xs = Observable.Return(10).Delay(TimeSpan.FromSeconds(5)).Concat(Observable.Range(1, 3));
var ys = Observable.Return(30).Delay(TimeSpan.FromSeconds(1)).Concat(Observable.Range(5, 3));
var zs = Observable.Return(50).Delay(TimeSpan.FromSeconds(3)).Concat(Observable.Range(9, 3));
// win center
var result = Observable.Amb(xs, ys, zs).ToArray().Wait();
result[0].Is(30);
result[1].Is(5);
result[2].Is(6);
result[3].Is(7);
// win first
result = Observable.Amb(new[] { ys, xs, zs }.AsEnumerable()).ToArray().Wait();
result[0].Is(30);
result[1].Is(5);
result[2].Is(6);
result[3].Is(7);
// win last
result = Observable.Amb(new[] { zs, xs, ys }.AsEnumerable()).ToArray().Wait();
result[0].Is(30);
result[1].Is(5);
result[2].Is(6);
result[3].Is(7);
}
public LoginControlViewModel(
IRepositoryHosts hosts,
ILoginToGitHubViewModel loginToGitHubViewModel,
ILoginToGitHubForEnterpriseViewModel loginToGitHubEnterpriseViewModel)
{
Title = Resources.LoginTitle;
RepositoryHosts = hosts;
GitHubLogin = loginToGitHubViewModel;
EnterpriseLogin = loginToGitHubEnterpriseViewModel;
isLoginInProgress = this.WhenAny(
x => x.GitHubLogin.IsLoggingIn,
x => x.EnterpriseLogin.IsLoggingIn,
(x, y) => x.Value || y.Value
).ToProperty(this, vm => vm.IsLoginInProgress);
loginMode = this.WhenAny(
x => x.RepositoryHosts.GitHubHost.IsLoggedIn,
x => x.RepositoryHosts.EnterpriseHost.IsLoggedIn,
(x, y) =>
{
var canLogInToGitHub = x.Value == false;
var canLogInToEnterprise = y.Value == false;
return(canLogInToGitHub && canLogInToEnterprise ? LoginMode.DotComOrEnterprise
: canLogInToGitHub?LoginMode.DotComOnly
: canLogInToEnterprise ? LoginMode.EnterpriseOnly
: LoginMode.None);
}).ToProperty(this, x => x.LoginMode);
AuthenticationResults = Observable.Amb(
loginToGitHubViewModel.Login,
EnterpriseLogin.Login);
CancelCommand = ReactiveCommand.Create();
}
public CSharpDiagnosticWorker(OmniSharpWorkspace workspace, DiagnosticEventForwarder forwarder, ILoggerFactory loggerFactory, OmniSharpOptions options)
{
_workspace = workspace;
_forwarder = forwarder;
_logger = loggerFactory.CreateLogger <CSharpDiagnosticWorker>();
_options = options;
var openDocumentsSubject = new Subject <string>();
_openDocuments = openDocumentsSubject;
_workspace.WorkspaceChanged += OnWorkspaceChanged;
_workspace.DocumentOpened += OnDocumentOpened;
_workspace.DocumentClosed += OnDocumentOpened;
_disposable = openDocumentsSubject
.Buffer(() => Observable.Amb(
openDocumentsSubject.Skip(99).Select(z => Unit.Default),
Observable.Timer(TimeSpan.FromMilliseconds(100)).Select(z => Unit.Default)
))
.SubscribeOn(TaskPoolScheduler.Default)
.Select(ProcessQueue)
.Merge()
.Subscribe();
}
public IObservable <ITransition> Enter()
{
return(Observable.Amb(
ListenToMessagesAndTransitionToUnsubscribingWhenUserExits(),
TransitionToUnsubscribingWhenClientDisconnects()
));
}
public void Activation()
{
_debugManager = IoC.Get <IDebugManager2>();
_debugManager.DebugSessionStarted += (sender, e) => { Document = runModeDocument; IsVisible = true; };
_debugManager.DebugSessionEnded += (sender, e) =>
{
Dispatcher.UIThread.InvokeAsync(() =>
{
IsVisible = false;
Clear();
});
};
_debugManager.FrameChanged += (sender, e) =>
{
Document = document;
Update();
};
var started = Observable.FromEventPattern(_debugManager, nameof(_debugManager.TargetStarted));
var stopped = Observable.FromEventPattern(_debugManager, nameof(_debugManager.TargetStopped));
started.SelectMany(_ => Observable.Amb(Observable.Timer(TimeSpan.FromMilliseconds(250)).Select(o => true), stopped.Take(1).Select(o => false))).Where(timeout => timeout == true).Subscribe(s =>
{
Document = runModeDocument;
});
}
private void Start()
{
var kuribo = GetComponent <Kuribo>();
var rb = GetComponent <Rigidbody>();
myAttacker = GetComponent <IAttacker>();
kuribo.OnAttackObservable
.Subscribe(t =>
{
Observable.EveryFixedUpdate()
.TakeUntil(Observable.Amb(
Observable.Timer(TimeSpan.FromSeconds(4)).AsUnitObservable(),
OnSuccessfulAttackObservable))
.Subscribe(_ =>
{
moveVector3 = (t.position - transform.position).SetY(0f).normalized *attackMoveSpeed;
rb.velocity = moveVector3.SetY(rb.velocity.y);
}, () =>
{
kuribo.SetEnemyMoveable(false);
Observable.Timer(TimeSpan.FromSeconds(attackInteraval))
.Subscribe(_ => kuribo.SetEnemyMoveable(true));
});
});
this.OnCollisionEnterAsObservable()
.Subscribe(hit => Hit(hit.gameObject));
}
public void Amb_Never3_Params()
{
var scheduler = new TestScheduler();
var n1 = scheduler.CreateHotObservable(
OnNext(150, 1)
);
var n2 = scheduler.CreateHotObservable(
OnNext(150, 1)
);
var n3 = scheduler.CreateHotObservable(
OnNext(150, 1)
);
var res = scheduler.Start(() =>
Observable.Amb(n1, n2, n3)
);
res.Messages.AssertEqual(
);
n1.Subscriptions.AssertEqual(
Subscribe(200, 1000)
);
n2.Subscriptions.AssertEqual(
Subscribe(200, 1000)
);
n3.Subscriptions.AssertEqual(
Subscribe(200, 1000)
);
}
public void Amb_ArgumentChecking()
{
ReactiveAssert.Throws <ArgumentNullException>(() => Observable.Amb((IObservable <int>[])null));
ReactiveAssert.Throws <ArgumentNullException>(() => Observable.Amb((IEnumerable <IObservable <int> >)null));
ReactiveAssert.Throws <ArgumentNullException>(() => Observable.Amb(null, DummyObservable <int> .Instance));
ReactiveAssert.Throws <ArgumentNullException>(() => Observable.Amb(DummyObservable <int> .Instance, null));
}
static void Main(string[] args)
{
//var textsSubject = new Subject<string>();
//IObservable<string> texts = textsSubject.AsObservable();
//texts
// .Select(txt => Observable.Return(txt + "-Result")
// .Delay(TimeSpan.FromMilliseconds(txt == "R1" ? 10 : 0))
// )
// .Switch()
// .SubscribeConsole("Merging from observable");
//textsSubject.OnNext("R1");
//textsSubject.OnNext("R2");
//Thread.Sleep(20);
//textsSubject.OnNext("R3");
//Console.ReadKey();
var server1 = Observable.Interval(TimeSpan.FromSeconds(1))
.Select(i => $"server1-{i}");
var server2 = Observable.Interval(TimeSpan.FromSeconds(1))
.Select(i => $"server1-{i}");
Observable.Amb(server1, server2)
.Take(3)
.SubscribeConsole();
Console.ReadKey();
}
public ItemViewModel(IScreen screen = null)
{
HostScreen = screen ?? Locator.Current.GetService <IScreen>(); // IRoutableViewModel implementation.
Confirm = ReactiveCommand.CreateFromObservable(OnConfirm);
Cancel = ReactiveCommand.CreateFromObservable(OnCancel);
Delete = ReactiveCommand.CreateFromObservable(OnDelete);
// completedInternally emits when either of Confirm, Cancel or Delete emits and completes.
var completedInternally = Observable.Amb(
Confirm.Select(_ => _),
Cancel.Select(_ => _),
Delete.Select(_ => _));
completedInternally.Subscribe(_ =>
{
if (HostScreen.Router.NavigationStack.LastOrDefault() == this)
{
HostScreen.Router.NavigateBack.Execute().Subscribe(); // Return to the calling ViewModel when completed.
if (NextViewModel != null)
{
HostScreen.Router.Navigate.Execute(NextViewModel).Subscribe();
}
}
});
}
protected override Task <T> AwaitForResult <T>(AsyncOperationCallback <T> asyncOperationCallback)
#endif
{
#if ASYNC
Task <T> operationTask = asyncOperationCallback.Task;
Task <Exception> disconnectionTask = mDisconnectionTaskCompletionSource.Task;
Task task = await Task.WhenAny(operationTask,
disconnectionTask)
.ConfigureAwait(false);
if (!operationTask.IsCompleted)
{
Exception exception = await disconnectionTask.ConfigureAwait(false);
asyncOperationCallback.SetException(exception);
}
T result = await operationTask.ConfigureAwait(false);
return(result);
#else
IObservable <T> merged =
Observable.Amb
(asyncOperationCallback.Task.ToObservable(),
mDisconnectionTaskCompletionSource.Task.ToObservable()
.SelectMany(x => Observable.Throw <T>(x)));
Task <T> task = merged.ToTask();
return(task);
#endif
}
public CSharpDiagnosticWorker(OmniSharpWorkspace workspace, DiagnosticEventForwarder forwarder, ILoggerFactory loggerFactory)
{
_workspace = workspace;
_forwarder = forwarder;
_logger = loggerFactory.CreateLogger <CSharpDiagnosticWorker>();
var openDocumentsSubject = new Subject <string>();
_openDocuments = openDocumentsSubject;
_workspace.WorkspaceChanged += OnWorkspaceChanged;
_workspace.DocumentOpened += OnDocumentOpened;
_workspace.DocumentClosed += OnDocumentOpened;
openDocumentsSubject
.GroupByUntil(x => true, group => Observable.Amb(
group.Throttle(TimeSpan.FromMilliseconds(200)),
group.Distinct().Skip(99))
)
.Select(x => x.ToArray())
.Merge()
.SubscribeOn(TaskPoolScheduler.Default)
.Select(ProcessQueue)
.Merge()
.Subscribe();
}
private IObservable <byte[]> CreateResponseTask(byte?[] pattern)
{
var timeoutSequence = Observable.Throw <byte[]>(new TimeoutException()).DelaySubscription(timeout);
return(Observable.Amb(
udpClient.ObserveBytes().FirstAsync(x => {
return MatchesPattern(x, pattern);
}),
timeoutSequence));
}
private static IObservable <Unit> GetTimeOrCount(
IObservable <int> source, TestScheduler testScheduler,
TimeSpan timeThreshold, int countThreshold, IObservable <Unit> manualFlush)
{
return(Observable.Amb(
Observable.Timer(timeThreshold, testScheduler).Select(_ => Unit.Default).Do(_ => Console.WriteLine("Blipped from Timer")),
source.Buffer(countThreshold).Take(1).Select(_ => Unit.Default).Do(_ => Console.WriteLine("Blipped from Buffer")),
manualFlush.Take(1).Do(_ => Console.WriteLine("Blipped from Flush")))
.Concat(Observable.Defer(() => GetTimeOrCount(source, testScheduler, timeThreshold, countThreshold, manualFlush))));
}
void Start()
{
//Amb 并行系列操作符 舍弃 除了第一个进行发射的obs 以外的所有obs
Observable.Amb(
Observable.Timer(TimeSpan.FromSeconds(1)),
Observable.Timer(TimeSpan.FromMinutes(1)),
Observable.Timer(TimeSpan.FromHours(1)),
Observable.Timer(TimeSpan.FromDays(1))
).Subscribe(_ => print("..."));
}
public void AmbTest()
{
var enumerable0 = CreateRandomEnumerable("Acho").ToObservable();
var enumerable1 = CreateRandomEnumerable("foo").ToObservable();
var enumerable2 = CreateRandomEnumerable("bar").ToObservable();
var pattern = Observable.Amb(enumerable0, enumerable1, enumerable2);
pattern.Subscribe(Console.WriteLine);
Thread.Sleep(1000);
}
// Start is called before the first frame update
void Start()
{
Observable.Amb(
Observable.Timer(TimeSpan.FromSeconds(3.0f)).Select(_ => "1 sec"),
Observable.Timer(TimeSpan.FromSeconds(2.0f)).Select(_ => "1 sec"),
Observable.Timer(TimeSpan.FromSeconds(1.0f)).Select(_ => "1 sec"),
Observable.Timer(TimeSpan.FromSeconds(5.0f)).Select(_ => "1 sec"),
Observable.Timer(TimeSpan.FromSeconds(4.0f)).Select(_ => "1 sec"),
Observable.Timer(TimeSpan.FromSeconds(6.0f)).Select(_ => "1 sec"),
Observable.Timer(TimeSpan.FromSeconds(8.0f)).Select(_ => "1 sec")
).Subscribe(name => Debug.Log(name), () => Debug.Log("On Completed"));
}
private void Start()
{
Observable.Amb(
candleList.ObserveEveryValueChanged(list => list.All(c => c.IsAlive.Value)).Where(x => !x),
LitCandleList.ObserveAdd().Select(_ => candleList.Count == LitCandleList.Count).Where(x => x)
).First()
.Subscribe(_ => _onGameOver.OnNext(Unit.Default)).AddTo(gameObject);
LitCandleList.ObserveAdd()
.Select(add => add.Index)
.Subscribe(index => _onLit.OnNext(index));
}
private SchedulerDelegate RouteNotification(
IRequestDescriptor <IHandlerDescriptor?> descriptors,
Notification notification) =>
(_, scheduler) =>
// ITS A RACE!
Observable.Amb(
Observable.Timer(_options.RequestTimeout, scheduler)
.Select(_ => Unit.Default)
.Do(
_ => _logger.LogTrace("Notification was cancelled due to timeout")
),
Observable.FromAsync(
public override async Task Start()
{
await base.Start();
// Calculate paths
if (!Directory.Exists(_tempDirectory))
{
Directory.CreateDirectory(_tempDirectory);
}
// Generate an entirely unique file name
string fileName = Invocation.Id.ToString("N") + "_" + Guid.NewGuid().ToString("N") + ".json";
_tempFile = Path.Combine(_tempDirectory, fileName);
if (File.Exists(_tempFile))
{
File.Delete(_tempFile);
}
// Locate the log blob
_targetBlob = LogContainer.GetBlockBlobReference("invocations/" + _blobName);
// Fetch the current logs if this is a continuation, we'll append to them during the invocation
if (Invocation.IsContinuation && await _targetBlob.ExistsAsync())
{
await _targetBlob.DownloadToFileAsync(_tempFile, FileMode.Create);
}
// Capture the events into a JSON file and a plain text file
var formatter = new JsonEventTextFormatter(EventTextFormatting.Indented, dateTimeFormat: "O");
_eventSubscription = this.Buffer(() =>
Observable.Amb(
_flushBuffer,
Observable.Timer(TimeSpan.FromSeconds(5)).Select(x => Unit.Instance))
.Take(1))
.Subscribe(
onNext: evts =>
{
// Dump to the temp file
using (var writer = new StreamWriter(new FileStream(_tempFile, FileMode.Append, FileAccess.Write)))
{
foreach (var evt in evts)
{
formatter.WriteEvent(evt, writer);
}
}
// Upload the temp file
UploadLog().Wait();
});
}
void Start()
{
Observable.Amb(
Observable.Timer(TimeSpan.FromSeconds(4.0f)).Select(_ => "4 sec"),
Observable.Timer(TimeSpan.FromSeconds(3.0f)).Select(_ => "3 sec"),
Observable.Timer(TimeSpan.FromSeconds(1.0f)).Select(_ => "1 sec"),
Observable.Timer(TimeSpan.FromSeconds(7.0f)).Select(_ => "7 sec"),
Observable.Timer(TimeSpan.FromSeconds(9.0f)).Select(_ => "9 sec")
).Subscribe(observableName =>
{
Debug.Log(observableName);
});
}
public void Amb()
{
var source1 = Observable
.Timer(TimeSpan.FromSeconds(3), TimeSpan.FromSeconds(1));
var source2 = Observable
.Timer(TimeSpan.FromSeconds(1), TimeSpan.FromSeconds(1))
.Select(x => x * 10);
var source = Observable.Amb(source1, source2);
this.Subscribe(source, "Amb");
}
private static void Amb()
{
Demo.DisplayHeader("The Amb operator - picks the first observable to emit");
var server1 = Observable.Interval(TimeSpan.FromSeconds(2)).Select(i => "Server1-" + i);
var server2 = Observable.Interval(TimeSpan.FromSeconds(1)).Select(i => "Server2-" + i);
Observable.Amb(server1, server2)
.Take(3)
.RunExample("Amb");
//The same could have been written like:
// server1.Amb(server2).Take(3).RunExample("Amb");
}
public RegisterPageViewModel(INavigationService navigationService, IUserUsecase userUsecase, IUserDialogs userDialogs) : base(navigationService)
{
_userUsecase = userUsecase;
_userDialogs = userDialogs;
Name.SetValidateAttribute(() => Name);
RegisterCommand = new[]
{
Name.ObserveHasErrors,
_busyNotifier,
}
.CombineLatestValuesAreAllFalse()
.ObserveOn(SynchronizationContext.Current)
.ToReactiveCommand()
.WithSubscribe(() =>
{
_registerRequested.OnNext(Unit.Default);
_userUsecase.Register(Name.Value);
})
.AddTo(_disposables);
_registerRequested.SelectMany(_ => Observable.Using(() =>
{
return(new CompositeDisposable()
{
_busyNotifier.ProcessStart(),
_userDialogs.Loading(""),
});
}, _ => Observable.Amb(
_userUsecase.UserRegistered.Select <User, (User?user, Exception?error)>(user => (user, null)),
_userUsecase.ErrorOccurred.Select <Exception, (User?user, Exception?error)>(ex => (null, ex)))
.Take(1)))
.ObserveOn(SynchronizationContext.Current)
.Subscribe(async t =>
{
if (t.user is not null)
{
await _userDialogs.AlertAsync("登録が完了しました", "確認");
await navigationService.NavigateAsync("/MainPage");
}
else
{
await _userDialogs.AlertAsync("登録に失敗しました", "エラー");
}
})
.AddTo(_disposables);
}
/// <summary>
/// race with amb for repeating until a success.
/// </summary>
private static void test14()
{
//.Timeout won't work because timeout measure between two elements the length of time.
var timer = Observable.Timer(TimeSpan.FromSeconds(6)).Select(_ => false);
var built = Observable.FromAsync(() => getResult())
//.Delay(TimeSpan.FromSeconds(0.1))
.Repeat()
.TakeWhileInclusive(succeeded => !succeeded)
.Where(succeeded => succeeded)
.Do(i => Console.WriteLine($"built pipeline reached an {i}"));
Observable
.Amb(built, timer)
.Subscribe(i => Console.WriteLine($"amb ticked - {i}"),
(() => Console.WriteLine($"completed")));
}
/// <summary>
/// 複数のObservableから一番早く値が流れてきたものを流す
/// </summary>
private void ExcuteAmb()
{
Observable
.Amb(
// 流れない
Observable.Timer(TimeSpan.FromSeconds(3)).Select(_ => "3s"),
// 流れない
Observable.Timer(TimeSpan.FromSeconds(2)).Select(_ => "2s"),
// 流れる
Observable.Timer(TimeSpan.FromSeconds(1)).Select(_ => "1s"))
.Subscribe(x => {
Debug.Log("Amb onNext : " + x);
}, () => {
Debug.Log("Amb onCompleted");
});
// 値が流れてきたら、onCompleted
}
public void Activation()
{
_debugManager = IoC.Get <IDebugManager2>();
IoC.Get <IStudio>().DebugPerspective.AddOrSelectTool(this);
_debugManager.DebugSessionStarted += (sender, e) => { Enabled = false; };
_debugManager.TargetReady += (sender, e) =>
{
if (_debugManager.ExtendedSession != null)
{
IsVisible = true;
var regs = _debugManager.ExtendedSession.GetRegisters();
Dispatcher.UIThread.InvokeAsync(() =>
{
SetRegisters(regs);
});
}
};
_debugManager.DebugSessionEnded += (sender, e) =>
{
IsVisible = false;
Clear();
};
_debugManager.FrameChanged += (sender, e) =>
{
Enabled = true;
if (_debugManager.ExtendedSession != null)
{
var changes = _debugManager.ExtendedSession.GetRegisterChanges();
UpdateRegisters(changes);
}
};
var started = Observable.FromEventPattern(_debugManager, nameof(_debugManager.TargetStarted));
var stopped = Observable.FromEventPattern(_debugManager, nameof(_debugManager.TargetStopped));
started.SelectMany(_ => Observable.Amb(Observable.Timer(TimeSpan.FromMilliseconds(250)).Select(o => true), stopped.Take(1).Select(o => false))).Where(timeout => timeout == true).Subscribe(s => Enabled = false);
}
private static IObservable <byte[]> CreateRmqListener(Settings settings)
{
return(Observable.Using(
() => new ConnectionSession(
new Uri(settings.ConnectionString),
settings.Exchanger,
settings.RoutingKey),
s => Observable.Amb(
Observable.FromEventPattern <BasicDeliverEventArgs>(
x => s.Consumer.Received += x,
x => s.Consumer.Received -= x)
.Select(x => x.EventArgs.Body),
Observable.Defer(() =>
{
s.BindQueueToExchangerAndStartConsume();
return Observable.Return(0);
}).SelectMany(_ => Observable.Never <byte[]>()))));
}
public void all_sources_are_unsubscribed_when_complete_is_received()
{
var sourceA = new EventOwner();
var sourceC = new EventOwner();
var obs = Observable.Amb(
sourceA.GetObservableEvent(),
Observable.Empty <IEvent <EventArgs> >(),
sourceC.GetObservableEvent()
);
var stats = new StatsObserver <IEvent <EventArgs> >();
obs.Subscribe(stats);
Assert.IsFalse(sourceA.HasSubscriptions);
Assert.IsFalse(sourceC.HasSubscriptions);
}
public async void AwaitExample3()
{
var enter = Observable
.FromEventPattern <KeyEventArgs>(this, nameof(this.KeyDown))
.Select(e => e.EventArgs.Key)
.Where(k => k == Key.Enter)
.FirstAsync();
var esc = Observable
.FromEventPattern <KeyEventArgs>(this, nameof(this.KeyDown))
.Select(e => e.EventArgs.Key)
.Where(k => k == Key.Escape)
.FirstAsync();
var dialogResult = await Observable.Amb(enter, esc);
Console.WriteLine($"The user pressed the {dialogResult} key");
}
