de.lmu.ifi.dbs.elki.utilities.designpattern

Class Observers<T>

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractList<E>

java.util.ArrayList<Observer<? super T>>

de.lmu.ifi.dbs.elki.utilities.designpattern.Observers<T>

All Implemented Interfaces:

Serializable, Cloneable, Iterable<Observer<? super T>>, Collection<Observer<? super T>>, List<Observer<? super T>>, RandomAccess

public class Observers<T>
extends ArrayList<Observer<? super T>>

Class to manage the observers of an instance. Design note: to avoid reference cycles, this object does not keep track of its owner.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
private static long	serialVersionUID Serial version

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

Constructors

Constructor and Description
Observers() Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
void	addObserver(Observer<? super T> o) Add an observer to the object.
void	notifyObservers(T owner) Notify the observers of the changed object.
void	removeObserver(Observer<? super T> o) Remove an observer from the object.

Methods inherited from class java.util.ArrayList

add, add, addAll, addAll, clear, clone, contains, ensureCapacity, get, indexOf, isEmpty, iterator, lastIndexOf, listIterator, listIterator, remove, remove, removeAll, removeRange, retainAll, set, size, subList, toArray, toArray, trimToSize

Methods inherited from class java.util.AbstractList

equals, hashCode

Methods inherited from class java.util.AbstractCollection

containsAll, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.List

containsAll, equals, hashCode

Field Detail

serialVersionUID

private static final long serialVersionUID

Serial version

See Also:

Constant Field Values

Constructor Detail

Observers

public Observers()

Constructor.

Method Detail

addObserver

public void addObserver(Observer<? super T> o)

Add an observer to the object.

Parameters:

o - Observer to add

removeObserver

public void removeObserver(Observer<? super T> o)

Remove an observer from the object.

Parameters:

o - Observer to remove

notifyObservers

public void notifyObservers(T owner)

Notify the observers of the changed object.

Parameters:

owner - Owner of the Observers list - changed instance