de.nikem.jebu.impl

Class EventBusImpl

java.lang.Object

de.nikem.jebu.impl.EventBusImpl

All Implemented Interfaces:

EventBus, Subscriber

public class EventBusImpl
extends java.lang.Object
implements EventBus

Constructor Summary

Constructors

Constructor and Description
EventBusImpl()

Method Summary

Modifier and Type	Method and Description
java.lang.String	getId()
java.util.Map<java.lang.String,java.util.Collection<Subscriber>>	getSubscriberMap()
boolean	hasSubscribers()
boolean	hasSubscribers(java.lang.String eventName)
void	publish(java.lang.String eventName, java.lang.Object data) Method is invoked on events that match the eventName of the subscription
void	subscribe(java.lang.String eventName, Subscriber subscriber) register a subscriber for a certain event name
void	unsubscribe(java.lang.String eventName, Subscriber subscriber) unregister a subscriber from an event name.
void	unsubscribe(Subscriber subscriber) unregister the subscriber from all events

Methods inherited from class java.lang.Object

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

Constructor Detail

EventBusImpl

public EventBusImpl()

Method Detail

publish

public void publish(java.lang.String eventName,
                    java.lang.Object data)

Description copied from interface: Subscriber

Method is invoked on events that match the eventName of the subscription

Specified by:

publish in interface Subscriber

Parameters:

eventName - name of the event

data - event payload

subscribe

public void subscribe(java.lang.String eventName,
                      Subscriber subscriber)

Description copied from interface: EventBus

register a subscriber for a certain event name

Specified by:

subscribe in interface EventBus

Parameters:

eventName - name of the event. If empty the subscriber will be notified by all events

subscriber - subscriber (see Subscriber)

unsubscribe

public void unsubscribe(java.lang.String eventName,
                        Subscriber subscriber)

Description copied from interface: EventBus

unregister a subscriber from an event name.

Specified by:

unsubscribe in interface EventBus

Parameters:

eventName - name of the event to unregister from.

subscriber - the subscriber to unregsiter

unsubscribe

public void unsubscribe(Subscriber subscriber)

Description copied from interface: EventBus

unregister the subscriber from all events

Specified by:

unsubscribe in interface EventBus

Parameters:

subscriber - the subscriber to unregsiter

hasSubscribers

public boolean hasSubscribers(java.lang.String eventName)

hasSubscribers

public boolean hasSubscribers()

getSubscriberMap

public java.util.Map<java.lang.String,java.util.Collection<Subscriber>> getSubscriberMap()

getId

public java.lang.String getId()

Specified by:

getId in interface Subscriber

Returns:

ID of the subscriber