private static void PassingState()
{
var scheduler = new NewThreadScheduler();
var myName = "Lee";
//WRONG WAY
//scheduler.Schedule(() => { Console.WriteLine($"{nameof(myName)} = {myName}"); });
//CORRECT
scheduler.Schedule(myName,
(_, state) =>
{
Console.WriteLine(state);
return(Disposable.Empty);
});
myName = "John";
//DO NOT DO THAT, shared list was modified
var list = new List <int>();
scheduler.Schedule(list,
(innerScheduler, state) =>
{
Console.WriteLine(state.Count);
return(Disposable.Empty);
});
list.Add(1);
}
public Form1()
{
InitializeComponent();
SynchronizationContextScheduler UIThread = new SynchronizationContextScheduler(SynchronizationContext.Current);
NewThreadScheduler NewThread = new NewThreadScheduler();
client = new RestClient(Stash.baseUrl);
timer = new Stopwatch();
var keyPressed = Observable
.FromEventPattern <KeyEventArgs>(textBox2, nameof(Control.KeyDown))
.Where(x => x.EventArgs.KeyCode == Keys.Enter)
.Subscribe(x => this.textBoxDown(x.Sender, x.EventArgs));
pro1 = Observable
.FromAsync(ct => Stash.GetProjectsAsync(client, 25, ct))
.SubscribeOn(NewThread);
clock = Observable
.Interval(TimeSpan.FromSeconds(0.1))
.Select(_ => timer.Elapsed)
.TakeWhile(_ => timer.IsRunning)
.ObserveOn(UIThread);
}
public static void NewThreadScheduler_BuildsNewEventLoopSchedulers_ForEachTopLevelScheduledActions()
{
//Execution Context: Dedicated (i.e. provided) Thread
//Execution Policy: FIFO (trampolined / message queue)
//Clock: Machine Time
Console.WriteLine("Before");
var newThreadScheduler = new NewThreadScheduler();
ScheduleTasksWithPassedOnScheduler(newThreadScheduler);
/*Output:
* outer start. on thread T0
* outer end.
* --innerAction start. on thread T0
* --innerAction end.
* ----leafAction. on thread T0
*/
Console.ReadLine();
ScheduleTasksWithPassedOnScheduler(newThreadScheduler);
/*Output:
* outer start. on thread T1
* outer end.
* --innerAction start. on thread T1
* --innerAction end.
* ----leafAction. on thread T1
*/
Console.WriteLine("After");
}
public MainWindowViewModel(MainWindowModel model)
{
_newThreadScheduler = new NewThreadScheduler();
Packages = model.PackageKeys
.Select(x => new PackageControlViewModel(x))
.ToObservable()
.ToReactiveCollection();
UiSwitch = new ReactiveProperty <bool>(true);
SelectedSolutionProperty = new ReactiveProperty <string>();
var reactivePropertyObserverBridgeStringReplace = new ReactivePropertyObserverBridgeStringReplace(SelectedSolutionProperty);
ReportString = new ReactiveProperty <string>(string.Empty);
var reactivePropertyObserverBridgeStringAdd = new ReactivePropertyObserverBridgeStringAdd(ReportString);
SelectSolutionCommand = new ReactiveCommand(UiSwitch);
SelectSolutionCommand.Select(x => SelectSolutionToInspect())
.Where(x => x != null)
.Do(
x =>
{
UiSwitch.Value = false;
ReportString.Value = string.Empty;
})
.Do(reactivePropertyObserverBridgeStringReplace)
.Select(Anazyle)
.Switch()
.Timestamp()
.Select(x => $"[{x.Timestamp:s}] {x.Value}")
.Subscribe(reactivePropertyObserverBridgeStringAdd);
}
public SchedulerProvider()
{
Task = new TaskScheduler();
IOCompletion = new IOCompletionScheduler();
Current = new CurrentScheduler();
Immediate = new ImmediateScheduler();
NewThread = new NewThreadScheduler();
ThreadPool = new ThreadPoolScheduler();
}
public SchedulerProvider()
{
Task = new TaskScheduler();
IOCompletion = new IOCompletionScheduler();
Current = new CurrentScheduler();
Immediate = new ImmediateScheduler();
NewThread = new NewThreadScheduler();
ThreadPool = new ThreadPoolScheduler();
}
public void Cancellation()
{
bool raised = false;
var dis = new NewThreadScheduler ().Schedule<object> (null, TimeSpan.FromMilliseconds (300), (sch, stat) => raised = true);
Assert.IsFalse (raised, "#1");
dis.Dispose (); // immediately, to not raise event.
Thread.Sleep (400);
Assert.IsFalse (raised, "#2");
}
public void Cancellation()
{
bool raised = false;
var dis = new NewThreadScheduler().Schedule <object> (null, TimeSpan.FromMilliseconds(300), (sch, stat) => raised = true);
Assert.IsFalse(raised, "#1");
dis.Dispose(); // immediately, to not raise event.
Thread.Sleep(400);
Assert.IsFalse(raised, "#2");
}
private static void FutureScheduling()
{
var scheduler = new NewThreadScheduler();
var delay = TimeSpan.FromSeconds(1);
Console.WriteLine("Before schedule at {0:o}", DateTime.Now);
scheduler.Schedule(delay,
() => Console.WriteLine("Inside schedule at {0:o}", DateTime.Now));
Console.WriteLine("After schedule at {0:o}", DateTime.Now);
}
public ReactiveWorkerService(IConsistentHash <Node> hash, IEventThreadRepository eventThreadRepository,
IEventRepository eventRepository, IWorkerRepository workerRepository, ILogger <ReactiveWorkerService> logger,
IOptions <Node> settings) : base(hash, eventThreadRepository, eventRepository, workerRepository, logger,
settings)
{
_scheduler = new NewThreadScheduler(ts => new Thread(ts)
{
Name = "Emitter scheduler"
});
_subject = new BehaviorSubject <IEnumerable <int> >(Enumerable.Empty <int>());
}
private void attachUIEvents()
{
var cancel = new CancellationDisposable();
var scheduler = new NewThreadScheduler(t => new Thread(t)
{
Name = "Thread1"
});
var gridSch = new ControlScheduler(dataGridFile);
var obRead = Observer.Create <EventPattern <object> >(o =>
{
//wait a moment
//non blocking
Thread.Sleep(5000);
string[] lines = getLinesFromFile();
if (lines != null)
{
lines.ToObservable().ObserveOn(gridSch)
.Subscribe(l =>
{
addLineToGrid(l);
});
}
});
var obWrite = Observer.Create <EventPattern <object> >(o =>
{
Thread.Sleep(5000);
appendLinesToFile();
});
Observable.FromEventPattern(
h => this.btnReadFile.Click += h,
h => this.btnReadFile.Click -= h)
.ObserveOn(scheduler)
.Subscribe(obRead, cancel.Token);
Observable.FromEventPattern(
h => this.btnWriteFile.Click += h,
h => this.btnWriteFile.Click -= h)
.ObserveOn(scheduler)
.Subscribe(obWrite, cancel.Token);
Observable.FromEventPattern(
h => Application.ApplicationExit += h,
h => Application.ApplicationExit -= h)
.Subscribe(_ => {
cancel.Dispose();
});
}
public void ScheduleAbsolute()
{
var s = new NewThreadScheduler ();
bool flag = false;
s.Schedule (s.Now.AddMilliseconds (200), () => flag = true);
Thread.Sleep (200);
Assert.IsTrue (flag, "#1");
flag = false;
var dis = s.Schedule (s.Now.AddMilliseconds (200), () => flag = true);
dis.Dispose ();
Thread.Sleep (200); // make sure to wait for timer
Assert.IsFalse (flag, "#2");
}
public IObservable <RawBusMessage> StartConsuming(CancellationToken token, TimeSpan interval)
{
//-----------------------------------
//--------- Observable.Generate
var scheduler = new NewThreadScheduler(ts => new Thread(ts)
{
Name = "DataBusPoller"
});
var source = Observable.Generate(Read(),
x => !token.IsCancellationRequested,
x => Read(),
x => x,
x => interval,
scheduler);
return(source);
//-----------------------------------
//--------- Observable.Create
//IObservable<RawBusMessage> source = Observable.Create(async (IObserver<RawBusMessage> observer) =>
//{
// try
// {
// while (!token.IsCancellationRequested)
// {
// observer.OnNext(Read());
// await Task.Delay(interval);
// }
// observer.OnCompleted();
// }
// catch (Exception ex)
// {
// observer.OnError(ex);
// }
// return Disposable.Empty;
//});
//return source;
//-----------------------------------
//--------- Observable.Timer
//var scheduler = new EventLoopScheduler(ts => new Thread(ts) { Name = "DataBusPoller" });
//var query = Observable.Timer(interval, scheduler)
// .Select(_ => Read())
// .Repeat();
//return query;
}
public void ScheduleAbsolute()
{
var s = new NewThreadScheduler();
bool flag = false;
s.Schedule(s.Now.AddMilliseconds(200), () => flag = true);
Thread.Sleep(200);
Assert.IsTrue(flag, "#1");
flag = false;
var dis = s.Schedule(s.Now.AddMilliseconds(200), () => flag = true);
dis.Dispose();
Thread.Sleep(200); // make sure to wait for timer
Assert.IsFalse(flag, "#2");
}
private static void CancellRecursive()
{
Action <Action> work = (Action self)//will be tranformed to loop internally
=>
{
Console.WriteLine("Running");
self();
};
var token = new NewThreadScheduler().Schedule(work);
Console.ReadLine();
Console.WriteLine("Cancelling");
token.Dispose();
Console.WriteLine("Cancelled");
}
public IObservable <long> StartConsuming(CancellationToken ct, TimeSpan gap)
{
var scheduler = new NewThreadScheduler(ts => new Thread(ts)
{
Name = "Consumer"
});
var obs = Observable.Generate(Read(),
x => !ct.IsCancellationRequested,
x => Read(),
x => x,
x => gap,
scheduler);
return(obs);
}
/**
* Scheduler控制订阅和通知的发送。
* Scheduler包含三个组件：1）一个优先队列存放任务，2）Execution context，用来决定任务在哪执行（线程池，当前线程）3)scheduler的时钟，Task是根据这个时钟调度的，不是系统时钟。
*
* rx中所有的Scheduler实现IScheduler接口。
*
*/
public static void GetSchedulers()
{
//立刻在当前线程上执行
ImmediateScheduler immediate = Scheduler.Immediate;
//在当前线程上尽可能快的执行(先放到队列中，尽快执行)
CurrentThreadScheduler currentThreadScheduler = Scheduler.CurrentThread;
//每次创建一个线程执行
NewThreadScheduler newThreadScheduler = NewThreadScheduler.Default;
//在Task Factory上执行
TaskPoolScheduler taskPoolScheduler = TaskPoolScheduler.Default;
//在当前Dispatcher上执行任务
DispatcherScheduler dispatcherScheduler = DispatcherScheduler.Current;
//在ThreadPool上执行
ThreadPoolScheduler threadPoolScheduler = ThreadPoolScheduler.Instance;
//默认的调度器 其原则是使用最小的并行性，for operators returning an observable with a finite and small number of messages, Rx calls Immediate. For operators returning a potentially large or infinite number of messages, CurrentThread is called. For operators which use timers, ThreadPool is used.
DefaultScheduler defaultScheduler = Scheduler.Default;
}
public void ExampleNewThreadSecondTask()
{
IScheduler scheduler = new NewThreadScheduler();
Console.WriteLine("Starting on thread :{0}",
Thread.CurrentThread.ManagedThreadId);
scheduler.Schedule("A", OuterAction);
scheduler.Schedule("B", OuterAction);
//Starting on thread :9
//A start. ThreadId:10
//A end. ThreadId:10
//A.inner start . ThreadId:10
//A.inner end. ThreadId:10
//A.inner.Leaf. ThreadId:10
//B start. ThreadId:11
//B end. ThreadId:11
//B.inner start . ThreadId:11
//B.inner end. ThreadId:11
//B.inner.Leaf. ThreadId:11
}
public Form1()
{
InitializeComponent();
SynchronizationContextScheduler UIThread = new SynchronizationContextScheduler(SynchronizationContext.Current);
NewThreadScheduler NewThread = new NewThreadScheduler();
//// Proxy.Connect();
mars_font = NativeMethods.GetFontFromResource(Properties.Resources.newmars, 16.0F);
pro1 = Observable
.FromAsync(() => Curiosity.GetLatestData())
.ObserveOn(UIThread);
//pro2 = Observable
// .FromAsync(() => Curiosity.GetArchiveData());
pro3 = Curiosity
.GetArchiveDataY()
.ToObservable()
.SubscribeOn(NewThread);
}
/// <summary>
/// 使用 SubscribeOn 与 ObserveOn
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnSubscribeOnObserveOn_Click(object sender, EventArgs e)
{
Console.WriteLine("########## 使用 SubscribeOn 与 ObserveOn :{0} ##########", Thread.CurrentThread.ManagedThreadId);
IScheduler thread1 = new NewThreadScheduler(x => new Thread(x)
{
Name = "可观察对象线程"
});
IScheduler thread2 = new NewThreadScheduler(x => new Thread(x)
{
Name = "观察者线程"
});
var source = GetTestObservableSource();
source
.SubscribeOn(thread1)
.ObserveOn(thread2)
.Subscribe(o => Console.WriteLine("Received {2} on threadId:{0} / {1}", Thread.CurrentThread.Name, Thread.CurrentThread.ManagedThreadId, o),
() => Console.WriteLine("OnCompleted on threadId:{0} / {1}", Thread.CurrentThread.Name, Thread.CurrentThread.ManagedThreadId));
}
public static void DifferenceBetweenSubscribeOnAndObserveOn()
{
Thread.CurrentThread.Name = "Main";
IScheduler thread1 = new NewThreadScheduler(x => new Thread(x)
{
Name = "Thread1"
});
IScheduler thread2 = new NewThreadScheduler(x => new Thread(x)
{
Name = "Thread2"
});
Observable.Create <int>(o =>
{
Console.WriteLine("Subscribing on " + Thread.CurrentThread.Name);
o.OnNext(1);
return(Disposable.Create(() => { }));
})
//.SubscribeOn(thread1)
//.ObserveOn(thread2)
.Subscribe(x => Console.WriteLine("Observing '" + x + "' on " + Thread.CurrentThread.Name));
}
private static void Cancellation()
{
var scheduler = new NewThreadScheduler();
var delay = TimeSpan.FromSeconds(1);
Console.WriteLine("Before schedule at {0:o}", DateTime.Now);
var token = scheduler.Schedule(delay,
() => Console.WriteLine("Inside schedule at {0:o}", DateTime.Now));
Console.WriteLine("After schedule at {0:o}", DateTime.Now);
token.Dispose();//remove from queue of work
//cancel sth is running
var list = new List <int>();
Console.WriteLine("Enter to quit");
var token2 = scheduler.Schedule(list, Work);
Console.WriteLine("Press enter to cancel");
Console.ReadLine();
Console.WriteLine("cancelling...");
token2.Dispose();
Console.WriteLine("Cancelled");
}
private void StartSuck()
{
this.ResultLabel = string.Empty;
if (string.IsNullOrEmpty(Thread.CurrentThread.Name))
{
Thread.CurrentThread.Name = "Main";
}
IScheduler thread1 = new NewThreadScheduler(x => new Thread(x)
{
Name = "Thread1"
});
IScheduler thread2 = new NewThreadScheduler(x => new Thread(x)
{
Name = "Thread2"
});
var blockObs = Observable.Create((IObserver <string> observer) =>
{
Thread.Sleep(1000);
observer.OnNext(string.Format("a " + System.Threading.Thread.CurrentThread.Name));
Thread.Sleep(1000);
observer.OnNext(string.Format("b " + System.Threading.Thread.CurrentThread.Name));
observer.OnCompleted();
Thread.Sleep(1000);
return(Disposable.Create(() => Console.WriteLine("Observer has unsubscribed")));
});
blockObs
.SubscribeOn(thread1)
.ObserveOn(thread2).
Subscribe((string b) =>
{
System.Diagnostics.Debug.WriteLine(b);
System.Diagnostics.Debug.WriteLine("Subs: " + Thread.CurrentThread.Name + " || " + Thread.CurrentThread.ManagedThreadId);
});
//var obs = Observable.Create((IObserver<List<Event>> observer) =>
// {
// var result = new List<Event>();
// System.Diagnostics.Debug.WriteLine("Start sample task: " + Thread.CurrentThread.Name + " || " + Thread.CurrentThread.ManagedThreadId);
// using (HttpClient httpClient = new HttpClient())
// {
// var uri = "http://setgetgo.com/randomword/get.php";
// var response1 = httpClient.GetStringAsync(uri);
// var response2 = httpClient.GetStringAsync(uri);
// result.Add(new Event
// {
// AddTime = DateTime.Now,
// Content = response1.Result,
// ThreadId = Thread.CurrentThread.Name + Thread.CurrentThread.ManagedThreadId
// });
// result.Add(new Event
// {
// AddTime = DateTime.Now,
// Content = response2.Result,
// ThreadId = Thread.CurrentThread.Name + Thread.CurrentThread.ManagedThreadId
// });
// }
// observer.OnNext(result);
// observer.OnCompleted();
// return Disposable.Create(() => System.Diagnostics.Debug.WriteLine("Done"));
// });
var obs = Observable.FromAsync(x => this.SampleTaskAsync());
obs
.SubscribeOn(thread2)
.ObserveOn(DispatcherScheduler.Current)
.Subscribe(this.HandleResponses);
//var obs2 = this.SampleSubTask()
// .ToObservable()
// .ObserveOnDispatcher()
// .Subscribe(this.HandleResponse);
}
private void RunScheduleAsync(Func<Func<SchedulerOperation>, Task<int>> calculate)
{
Console.WriteLine("Running on thread: " + Thread.CurrentThread.ManagedThreadId);
IObservable<int> observable = Observable.Create<int>(o =>
{
IDisposable d = new NewThreadScheduler().ScheduleAsync(async (scheduler, token) =>
{
o.OnNext(await calculate(scheduler.Yield));
o.OnCompleted();
});
return Disposable.Create(() =>
{
d.Dispose();
Console.WriteLine("Disposed!");
});
});
Console.WriteLine("Subscribing.");
CompositeDisposable s = new CompositeDisposable();
for (int i = 0; i < 12; i++)
{
s.Add(observable.Subscribe(Console.WriteLine, () => Console.WriteLine("Completed.")));
}
Console.WriteLine("Subscribed.");
Thread.Sleep(700);
s.Dispose();
Console.WriteLine("Should have disposed.");
Thread.Sleep(2000);
Console.WriteLine("Done.");
}