com.webobjects.eocontrol
Interface EOObserving
- All Known Implementing Classes:
- EOEditingContext, EODelayedObserver, EOArchiveController
- public interface EOObserving
The EOObserving interface, a part of EOControl's change tracking mechanism, declares
the objectWillChange
method, used by observers to receive notifications
that an object has changed. This message is sent by EOObserverCenter
to
all observers registered using its addObserver
method.
- See Also:
EOObserverCenter
,
EODelayedObserver
,
EODelayedObserverQueue
Method Summary |
void |
objectWillChange(Object object)
Informs the receiver that object 's state is about to change. |
objectWillChange
public void objectWillChange(Object object)
- Informs the receiver that
object
's state is about to change.
The receiver can record object
's state, mark or record it as
changed, and examine it later (such as at the end of the run loop) to see
how it's changed.
- Parameters:
object
- the object whose state is to be recorded
Copyright © 2003 Apple Computer, Inc.