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($"Async ops: {lStopwatch.ElapsedMilliseconds}");
}
}
static void Main(string[] args)
{
ComputeAsync lComputeAsync = new ComputeAsync();
ComputeSync lComputeSync = new ComputeSync();
ulong[] lNumbers = new ulong[10];
int lWaitTime = 100000000;
Stopwatch lStopwatch = new Stopwatch();
for (int i = lNumbers.Length - 1; i >= 0; i--)
{
lNumbers[i] = (ulong)i + 1;
}
SyncOperations(lComputeSync, lNumbers, lStopwatch);
AsyncOperations(lComputeAsync, lNumbers, lStopwatch, lWaitTime);
AsyncOperationWhenAny(lComputeAsync, lNumbers, lStopwatch, lWaitTime);
ParallelOperations(lComputeSync, lNumbers, lStopwatch);
}
private static void AsyncOperationWhenAny(ComputeAsync lComputeAsync, ulong[] lNumbers, Stopwatch lStopwatch, int waitTime)
{
CancellationTokenSource tokenSource = new CancellationTokenSource(waitTime);
lStopwatch.Restart();
var lAntecedents = new List <Task <Task <ulong> > >();
foreach (ulong number in lNumbers)
{
lAntecedents.Add(Task.Run(() => lComputeAsync.GetFibonacciAsync(number)
.ContinueWith(x => lComputeAsync.GetFactorialAsync(x.Result)), tokenSource.Token));
}
while (lAntecedents.Count > 0)
{
Task <Task <ulong> > lCompleted = Task.WhenAny(lAntecedents).Result;
lAntecedents.Remove(lCompleted);
Console.WriteLine(lCompleted.Result.Result);
}
Console.WriteLine($"Async when any ops: {lStopwatch.ElapsedMilliseconds}");
}