de.intarsys.tools.eventbus

Class StandardEventBus

java.lang.Object

de.intarsys.tools.eventbus.StandardEventBus

All Implemented Interfaces:

INotificationListener, IEventBus, EventListener

public class StandardEventBus
extends Object
implements IEventBus

A simple standard implementation for the IEventBus.

Constructor Summary

Constructors

Constructor and Description
StandardEventBus()

Method Summary

Methods

Modifier and Type	Method and Description
void	handleEvent(Event event) Called when an event occurs.
void	register(INotificationSupport ns) Any object wanting to propagate its own notifications via the IEventBus can simply register himself.
void	subscribe(EventSourcePredicate predicate, EventType type, INotificationListener listener) Indicate that listener should be informed whenever a notification of EventType type isissued by a source accepted by predicate.
void	unregister(INotificationSupport ns) Stop forwarding events from ns to the IEventBus.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

StandardEventBus

public StandardEventBus()

Method Detail

handleEvent

public void handleEvent(Event event)

Description copied from interface: INotificationListener

Called when an event occurs.

Specified by:

handleEvent in interface INotificationListener

Parameters:

event - The event object giving detail information about the context.

register

public void register(INotificationSupport ns)

Description copied from interface: IEventBus

Any object wanting to propagate its own notifications via the IEventBus can simply register himself. Every notification issued by ns will be forwarded to the IEventBus.

Specified by:

register in interface IEventBus

subscribe

public void subscribe(EventSourcePredicate predicate,
             EventType type,
             INotificationListener listener)

Description copied from interface: IEventBus

Indicate that listener should be informed whenever a notification of EventType type isissued by a source accepted by predicate.

Specified by:

subscribe in interface IEventBus

unregister

public void unregister(INotificationSupport ns)

Description copied from interface: IEventBus

Stop forwarding events from ns to the IEventBus.

Specified by:

unregister in interface IEventBus