displayablecollections
Interface DisplayableCollection.CollectionChangedNotification<E>

All Superinterfaces:

ChangeNotification

All Known Subinterfaces:

DisplayableList.ListChangedNotification<E>

Enclosing interface:

DisplayableCollection<E>

public static interface DisplayableCollection.CollectionChangedNotification<E>
extends ChangeNotification

An object that implements this interface encapsulates information about changes to a DisplayableCollection. Such an object will be the second parameter when the update() method of an Observer is called following a change to this DisplayableCollection.

Nested Class Summary

Nested classes/interfaces inherited from interface displayablecollections.ChangeNotification

ChangeNotification.ChangeType

Method Summary

E	getElement() Accessor for information about the element involved in the change
ChangeNotification.ChangeType	getType() Accessor for the type of change denoted by this object.

Method Detail

getType

ChangeNotification.ChangeType getType()

Accessor for the type of change denoted by this object.

Specified by:

getType in interface ChangeNotification

Returns:

the type of change made to the collection

getElement

E getElement()

Accessor for information about the element involved in the change

Returns:

null for CLEARED; the element that was removed for ELEMENT_REMOVED; the element that was added for ELEMENT_ADDED; the new element for ELEMENT_MODFIED.