software.amazon.disco.agent.reflect.event

Class EventBus

java.lang.Object

software.amazon.disco.agent.reflect.event.EventBus

public class EventBus
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
EventBus()

Method Summary

Modifier and Type	Method and Description
static void	addListener(Listener l) Add a listener to the EventBus
static boolean	isListenerPresent(Listener l) Test if a given listener is currently registered with the EventBus
static void	publish(Event e) Publish an event which will be broadcast to all listeners
static void	removeAllListeners() Remove all listeners from the EventBus, returning it to its initial state
static void	removeListener(Listener l) Remove a listener from the EventBus

Methods inherited from class java.lang.Object

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

Constructor Detail

EventBus

public EventBus()

Method Detail

publish

public static void publish(Event e)

Publish an event which will be broadcast to all listeners

Parameters:

e - the event to publish

addListener

public static void addListener(Listener l)

Add a listener to the EventBus

Parameters:

l - the listener to add

removeListener

public static void removeListener(Listener l)

Remove a listener from the EventBus

Parameters:

l - the listener to remove. It is safe to remove a listener not currently added.

removeAllListeners

public static void removeAllListeners()

Remove all listeners from the EventBus, returning it to its initial state

isListenerPresent

public static boolean isListenerPresent(Listener l)

Test if a given listener is currently registered with the EventBus

Parameters:

l - the listener to test for

Returns:

true if the listener is presently registered to receive events