public override void Greet(Person other)
{
if (other == null)
throw new ArgumentNullException("other");
if (other.Name == _name)
{
// Do nothing (I'm not greeting myself)
return;
}
Speak(String.Format("Hello {0}, care for some {1}?", other.Name, _stall.Type));
}
public virtual void Greet(Person other)
{
if (other == null)
throw new ArgumentNullException("other");
if (other == this)
{
// Hey, I'm not greeting myself!
return;
}
Speak(String.Format("Hello {0}", other.Name));
other.Greeted(this);
}
public override void Greeted(Person greeter)
{
if (greeter == null)
throw new ArgumentNullException("greeter");
Speak(String.Format("Hi {0}, please oblige the law!", greeter.Name));
}
public virtual void Greeted(Person greeter)
{
if (greeter == null)
throw new ArgumentNullException("greeter");
Speak(String.Format("Hi {0}, lovely day isn't it?", greeter.Name));
}
