public void MoveNext()
{
try
{
if (this.State == State.BeforeProcessing)
{
this.Laundry = new AsyncLaundry();
this.DirtyClothes = new Clothes();
Console.WriteLine("Received a pile of dirty clothes.");
this.WashingAwaiter = this.Laundry.Wash(this.DirtyClothes).GetAwaiter();
this.State = State.AfterWashing;
if (this.WashingAwaiter.IsCompleted == false)
{
this.WashingAwaiter.OnCompleted(this.MoveNext);
return;
}
}
if (this.State == State.AfterWashing)
{
this.WetCleanClothes = this.WashingAwaiter.GetResult();
Console.WriteLine("Clothes washed!");
this.DryingAwaiter = this.Laundry.Dry(this.WetCleanClothes).GetAwaiter();
this.State = State.AfterDrying;
if (this.DryingAwaiter.IsCompleted == false)
{
this.DryingAwaiter.OnCompleted(this.MoveNext);
return;
}
}
if (this.State == State.AfterDrying)
{
this.DryCleanClothes = this.DryingAwaiter.GetResult();
Console.WriteLine("Clothes dried!");
Console.WriteLine("Clothes ready to collect!");
}
}
catch (Exception ex)
{
this.State = State.Finished;
this.TaskCompletionSource.SetException(ex);
return;
}
this.State = State.Finished;
TaskCompletionSource.SetResult(this.DryCleanClothes);
}
public async Task Run()
{
var laundry = new AsyncLaundry();
var dirtyClothes = new Clothes();
Console.WriteLine("Entering the laundry.");
var wetCleanClothes = await laundry.Wash(dirtyClothes);
Console.WriteLine("Got clean but wet clothes.");
var dryCleanClothes = await laundry.Dry(wetCleanClothes);
Console.WriteLine("Got clean and dry clothes.");
Console.WriteLine("Leaving the laundry.");
}