- * Interface for objects that want to be notified when an option changes its
- * value.
- *
- * @param <T>
- * The type of the option
- * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
- */
- public static interface OptionWatcher<T> {
-
- /**
- * Notifies an object that an option has been changed.
- *
- * @param option
- * The option that has changed
- * @param oldValue
- * The old value of the option
- * @param newValue
- * The new value of the option
- */
- public void optionChanged(Option<T> option, T oldValue, T newValue);
-
- }
-
- /**
- * Basic implementation of an {@link Option} that notifies an
- * {@link OptionWatcher} if the value changes.