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C# BehaviorSubject.CombineLatest方法代码示例

本文整理汇总了C#中BehaviorSubject.CombineLatest方法的典型用法代码示例。如果您正苦于以下问题:C# BehaviorSubject.CombineLatest方法的具体用法?C# BehaviorSubject.CombineLatest怎么用?C# BehaviorSubject.CombineLatest使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在BehaviorSubject的用法示例。


在下文中一共展示了BehaviorSubject.CombineLatest方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: AsyncObservableThreadsWithBetterThrottleOnComputeAndIsCalculating

        public void AsyncObservableThreadsWithBetterThrottleOnComputeAndIsCalculating()
        {
            Console.WriteLine("Starting Thread " + Thread.CurrentThread.ManagedThreadId);
            BehaviorSubject<int> s1 = new BehaviorSubject<int>(2);
            BehaviorSubject<int> s2 = new BehaviorSubject<int>(3);
            BehaviorSubject<int> sum = new BehaviorSubject<int>(5);
            List<int> computeThreads = new List<int>();
            List<int> receiveThreads = new List<int>();
            IScheduler throttleScheduler = new EventLoopScheduler();
            Func<IScheduler> getComputeScheduler = () => new EventLoopScheduler();
            IScheduler receiveScheduler = new EventLoopScheduler();

            IObservable<Tuple<int, int>> sumObservable = s1.CombineLatest(s2, Tuple.Create).Throttle(TimeSpan.FromMilliseconds(100), throttleScheduler);

            IDisposable sumObservableSubscription = null;
            using (sumObservable.Subscribe(v =>
                {
                    if (sumObservableSubscription != null)
                    {
                        Console.WriteLine("Canceling previous.");
                        sumObservableSubscription.Dispose();
                    }
                    sumObservableSubscription = Observable.Create<int>((o, token) => Task.Factory.StartNew(() =>
                        {
                            Thread.Sleep(200);
                            if (!token.IsCancellationRequested)
                            {
                                Console.WriteLine("Computing value " + v.Item1 + " + " + v.Item2 + " = " + (v.Item1 + v.Item2) + " on Thread " + Thread.CurrentThread.ManagedThreadId + ".");
                                computeThreads.Add(Thread.CurrentThread.ManagedThreadId);
                                o.OnNext(v.Item1 + v.Item2);
                            }
                            o.OnCompleted();
                            return Disposable.Empty;
                        })).ObserveOn(receiveScheduler).Subscribe(v2 =>
                            {
                                Console.WriteLine("Received value " + v2 + " on Thread " + Thread.CurrentThread.ManagedThreadId + ".");
                                receiveThreads.Add(Thread.CurrentThread.ManagedThreadId);
                            });
                }))
            {
                Stopwatch stopwatch = new Stopwatch();
                stopwatch.Start();

                Thread.Sleep(150);
                s2.OnNext(1);
                Thread.Sleep(50);
                s1.OnNext(4);
                Thread.Sleep(250);
                s2.OnNext(4);
                Thread.Sleep(150);
                s1.OnNext(1);
                Thread.Sleep(350);

                stopwatch.Stop();
                Console.WriteLine("Total Time: " + stopwatch.ElapsedMilliseconds + " ms");

                foreach (KeyValuePair<int, int> p in
                    computeThreads.GroupBy(v => v).Select(g => new KeyValuePair<int, int>(g.Key, g.Count())))
                {
                    Console.WriteLine(p.Value + " computes on Thread " + p.Key);
                }
                foreach (KeyValuePair<int, int> p in
                    receiveThreads.GroupBy(v => v).Select(g => new KeyValuePair<int, int>(g.Key, g.Count())))
                {
                    Console.WriteLine(p.Value + " receives on Thread " + p.Key);
                }
            }
        }
开发者ID:jam40jeff,项目名称:RxMvvm,代码行数:68,代码来源:Sandbox.cs

示例2: RxOnlyAsyncObservableThreadsWithBetterThrottleOnComputeAndIsCalculating

        public void RxOnlyAsyncObservableThreadsWithBetterThrottleOnComputeAndIsCalculating()
        {
            Console.WriteLine("Starting Thread " + Thread.CurrentThread.ManagedThreadId);
            BehaviorSubject<int> s1 = new BehaviorSubject<int>(2);
            BehaviorSubject<int> s2 = new BehaviorSubject<int>(3);
            List<int> computeThreads = new List<int>();
            List<int> receiveThreads = new List<int>();
            IScheduler throttleScheduler = new EventLoopScheduler();
            IScheduler computeScheduler = NewThreadScheduler.Default;
            IScheduler receiveScheduler = new EventLoopScheduler();

            IObservable<Tuple<int, int>> sumObservable = s1.CombineLatest(s2, Tuple.Create).Throttle(TimeSpan.FromMilliseconds(100), throttleScheduler);

            Func<CalculatedPropertyHelper, int, int, Task<int>> calculate = async (helper, v1, v2) =>
                {
                    Thread.Sleep(200);
                    helper.CheckCancellationToken();
                    Console.WriteLine("Computing value " + v1 + " + " + v2 + " = " + (v1 + v2) + " on Thread " + Thread.CurrentThread.ManagedThreadId + ".");
                    computeThreads.Add(Thread.CurrentThread.ManagedThreadId);
                    return await Task.FromResult(v1 + v2);
                };

            BehaviorSubject<int> sum = new BehaviorSubject<int>(0);
            IDisposable scheduledTask = computeScheduler.ScheduleAsync(async (scheduler, token) =>
                {
                    await scheduler.Yield();
                    sum.OnNext(await calculate(new CalculatedPropertyHelper(scheduler, token), s1.Value, s2.Value));
                });
            using (sumObservable.Subscribe(v =>
                {
                    if (scheduledTask != null)
                    {
                        Console.WriteLine("Canceling previous.");
                        scheduledTask.Dispose();
                    }
                    scheduledTask = computeScheduler.ScheduleAsync(async (scheduler, token) =>
                        {
                            await scheduler.Yield();
                            sum.OnNext(await calculate(new CalculatedPropertyHelper(scheduler, token), v.Item1, v.Item2));
                        });
                }))
            {
                using (sum.ObserveOn(receiveScheduler).Subscribe(v2 =>
                    {
                        Console.WriteLine("Received value " + v2 + " on Thread " + Thread.CurrentThread.ManagedThreadId + ".");
                        receiveThreads.Add(Thread.CurrentThread.ManagedThreadId);
                    }))
                {
                    Stopwatch stopwatch = new Stopwatch();
                    stopwatch.Start();

                    Thread.Sleep(150);
                    s2.OnNext(1);
                    Thread.Sleep(50);
                    s1.OnNext(4);
                    Thread.Sleep(250);
                    s2.OnNext(4);
                    Thread.Sleep(150);
                    s1.OnNext(1);
                    Thread.Sleep(350);

                    stopwatch.Stop();
                    Console.WriteLine("Total Time: " + stopwatch.ElapsedMilliseconds + " ms");

                    foreach (KeyValuePair<int, int> p in
                        computeThreads.GroupBy(v => v).Select(g => new KeyValuePair<int, int>(g.Key, g.Count())))
                    {
                        Console.WriteLine(p.Value + " computes on Thread " + p.Key);
                    }
                    foreach (KeyValuePair<int, int> p in
                        receiveThreads.GroupBy(v => v).Select(g => new KeyValuePair<int, int>(g.Key, g.Count())))
                    {
                        Console.WriteLine(p.Value + " receives on Thread " + p.Key);
                    }
                }
            }
        }
开发者ID:jam40jeff,项目名称:RxMvvm,代码行数:77,代码来源:Sandbox.cs


注:本文中的BehaviorSubject.CombineLatest方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。