public static void Scenario2()
{
ElectricBulb bulb = new ElectricBulb();
bulb.OnStateChanged += (sender, args) => Console.WriteLine("State changed");
ExecuteStandardSequence(bulb);
}
private static void ExecuteStandardSequence(ElectricBulb bulb)
{
bulb.ReportStatus();
bulb.SwitchOn();
bulb.ReportStatus();
bulb.SwitchOff();
bulb.ReportStatus();
bulb.SwitchOff();
bulb.ReportStatus();
bulb.SwitchOn();
bulb.ReportStatus();
bulb.SwitchOn();
bulb.ReportStatus();
}
public void SwitchOff(ElectricBulb bulb)
{
Console.WriteLine("The bulb is already off!!!");
}
public void SwitchOn(ElectricBulb bulb)
{
Console.WriteLine("Switching On");
bulb.State = new ElectricBulbOnState();
bulb.RaiseOnStateChanged();
}