public Driver(
IGearLever gearLever,
IClutchPedal clutchPedal,
IThrottlePedal throttlePedal,
IBreakPedal breakPedal,
IRevCounter revCounter,
ISpeedometer speedometer
)
{
_gearLever = gearLever;
_clutchPedal = clutchPedal;
_throttlePedal = throttlePedal;
_breakPedal = breakPedal;
_revCounter = revCounter;
_speedometer = speedometer;
}
public static IObservable <Rate> Measure <T>(this IObservable <T> source, ISpeedometer speedometer = null)
{
return(Observable.Create <Rate>(o =>
{
speedometer = speedometer ?? new Speedometer(1.Second(), Scheduler.Default);
var emptyRate = new Rate(-1, 0);
IDisposable sub = source
.TimeoutScan(
speedometer.Period,
() =>
{
speedometer.Update(0);
return speedometer.Rate;
},
x => speedometer.Update() ? speedometer.Rate : emptyRate,
speedometer.Scheduler)
.DistinctUntilChanged()
.Where(r => r.Count >= 0)
.Subscribe(o);
return sub;
}));
}
public static IObservable <RateEvent <T> > MeasureScan <T>(this IObservable <T> source, ISpeedometer speedometer)
{
return(Observable.Create <RateEvent <T> >(o =>
{
speedometer = speedometer ?? new Speedometer(1.Second(), Scheduler.Default);
IDisposable sub = source
.TimeoutScan(
speedometer.Period,
() =>
{
speedometer.Update(0);
return new RateEvent <T>(speedometer.Rate);
},
x =>
{
speedometer.Update(1, true);
return new RateEvent <T>(x, speedometer.Rate);
},
speedometer.Scheduler)
.Subscribe(o);
return sub;
}));
}
