Esempio n. 1
0
        private static void AsyncOperations(ComputeAsync lComputeAsync, ulong[] lNumbers, Stopwatch lStopwatch, int waitTime)
        {
            CancellationTokenSource tokenSource = new CancellationTokenSource(waitTime);

            lStopwatch.Restart();

            Task lFirst = Task.Run(
                async() =>
            {
                foreach (ulong number in lNumbers)
                {
                    if (tokenSource.Token.IsCancellationRequested)
                    {
                        Console.WriteLine("Cancellation requested");
                        tokenSource.Token.ThrowIfCancellationRequested();
                    }
                    Task <ulong> lCompleted = await lComputeAsync.GetFibonacciAsync(number)
                                              .ContinueWith(x => lComputeAsync.GetFactorialAsync(x.Result));
                    Console.WriteLine(lCompleted.Result);
                }
            }, tokenSource.Token);

            try
            {
                lFirst.Wait(tokenSource.Token);
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex);
            }
            finally
            {
                Console.WriteLine($"Async ops: {lStopwatch.ElapsedMilliseconds}");
            }
        }
Esempio n. 2
0
        private static void AsyncOperationWhenAny(ComputeAsync lComputeAsync, ulong[] lNumbers, Stopwatch lStopwatch, int waitTime)
        {
            CancellationTokenSource tokenSource = new CancellationTokenSource(waitTime);

            lStopwatch.Restart();
            var lAntecedents = new List <Task <Task <ulong> > >();

            foreach (ulong number in lNumbers)
            {
                lAntecedents.Add(Task.Run(() => lComputeAsync.GetFibonacciAsync(number)
                                          .ContinueWith(x => lComputeAsync.GetFactorialAsync(x.Result)), tokenSource.Token));
            }
            while (lAntecedents.Count > 0)
            {
                Task <Task <ulong> > lCompleted = Task.WhenAny(lAntecedents).Result;
                lAntecedents.Remove(lCompleted);
                Console.WriteLine(lCompleted.Result.Result);
            }
            Console.WriteLine($"Async when any ops: {lStopwatch.ElapsedMilliseconds}");
        }