NotificationCenter

public class NotificationCenter
extends java.lang.Object

Fields
Modifier and Type	Field and Description
`private java.util.Map<ModelNotification,java.util.Set<ModelObserver>>`	`listeners`

Constructors
Constructor and Description
`NotificationCenter()`

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`add(ModelObserver listener)` Adds a listener for the all type
`void`	`add(ModelObserver listener, ModelNotification type)` Adds a listener to a specific type
`void`	`notify(ModelNotification type)` Poke the listeners for a specific type
`private void`	`pokeListeners(java.util.Iterator<ModelObserver> observers)` Poke the listeners in a list format
`void`	`remove(ModelObserver listener)` Removes a listener from all types
`void`	`remove(ModelObserver listener, ModelNotification type)` Removes a listener from a specific type

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

private java.util.Map<ModelNotification,java.util.Set<ModelObserver>> listeners

public void add(ModelObserver listener,
                ModelNotification type)

Adds a listener to a specific type

public void remove(ModelObserver listener,
                   ModelNotification type)

Removes a listener from a specific type

private void pokeListeners(java.util.Iterator<ModelObserver> observers)

Poke the listeners in a list format

Class NotificationCenter