org.nakedobjects.object
Interface UpdateNotifier

All Known Implementing Classes:

NullUpdateNotifier, UDPUpdateNotifier, ViewNotifier, ViewUpdateNotifier

public interface UpdateNotifier

Method Summary

void	broadcastAdd(NakedCollection collection, NakedObject element) Indicates that an element has been added to a collection
void	broadcastObject(NakedObject object) Indicates that a specific object has been changed
void	broadcastRemove(NakedCollection collection, NakedObject element) Indicates that an element has been removed from a collection
void	init() Called when the UpdateNotifier is installed.
void	shutdown() Called when the UpdateNotifier is about to be shutdown.

Method Detail

broadcastAdd

public void broadcastAdd(NakedCollection collection,
                         NakedObject element)

Indicates that an element has been added to a collection

Parameters:

collection - the collection being added to

element - the object being added

broadcastObject

public void broadcastObject(NakedObject object)

Indicates that a specific object has been changed

Parameters:

object -

broadcastRemove

public void broadcastRemove(NakedCollection collection,
                            NakedObject element)

Indicates that an element has been removed from a collection

Parameters:

collection - the collection being removed from

element - the object being removed

init

public void init()

Called when the UpdateNotifier is installed. Should set up any required network connections and resources.

shutdown

public void shutdown()

Called when the UpdateNotifier is about to be shutdown. All connections and resources should be released.