private static void Delegating()
{
// Get seconds to delay
int delaySeconds = GetDelay();
if (delaySeconds == 0) return;
var delay = TimeSpan.FromSeconds(delaySeconds);
// Get ints to observe
int[] ints = GetInts();
Console.WriteLine("\n\nEven numbers:");
// Create observer and observable
IObservable<int> observable = new ObservableEvens(ints);
// Observe even ints
//var observer = new EvensObserver(delaySeconds);
observable.Subscribe(value =>
{
// Add delay if item is multiple of 4
if (value % 4 == 0) Program.Delay(delay);
// Print value
Console.WriteLine(value);
}, () => Console.WriteLine("Done"));
}
/// <summary>
/// Demonstrates standard observer pattern.
/// </summary>
/// <param name="async">True for async callbacks</param>
private static void Observe(bool async)
{
// Get seconds to delay
int delaySeconds = GetDelay();
if (delaySeconds == 0) return;
// Get ints to observe
int[] ints = GetInts();
// Create observable and observer
IObservable<int> observable = new ObservableEvens(ints, async);
IObserver<int> observer = new EvensObserver(delaySeconds);
// Observe even ints
Console.WriteLine("\n\nEven numbers:");
observable.Subscribe(observer);
}
