net.java.ao.event
Interface EventManager

All Known Implementing Classes:

EventManagerImpl

public interface EventManager

This is the central point of the event system where listeners are registered (and/or unregistered) and events fired.

Method Summary

void	publish(java.lang.Object event) Published the given event.
void	register(java.lang.Object listener) Registers a listener.
void	unregister(java.lang.Object listener) Unregisters the give listener.

Method Detail

publish

void publish(java.lang.Object event)

Published the given event.

Whether or not anyone listens to the event doesn't matter.

Parameters:

event - the event to publish

register

void register(java.lang.Object listener)

Registers a listener. The definition of a correct listener is left up to the implementation.

Parameters:

listener - the listener to register.

unregister

void unregister(java.lang.Object listener)

Unregisters the give listener. Nothing happens if the listener was not previously registered.

Parameters:

listener - the listener to un-register