Package cn.mapway.ui.client.event

Class EventBus

java.lang.Object

cn.mapway.ui.client.event.EventBus

public class EventBus
extends Object

简单事件总线.

Author:

zhangjianshe

Field Summary

Fields

Modifier and Type	Field	Description
Map<String,List<IEventHandler>>	events	The events.

Constructor Summary

Constructors

Constructor	Description
EventBus()	Instantiates a new event bus.

Method Summary

Modifier and Type	Method	Description
void	fire(String topic, int type, Object event)	激发一个事件.
boolean	register(String topic, IEventHandler handler)	向消息总线注册消息句柄.
boolean	unregister(String topic, IEventHandler handler)	向事件总线移除消息处理句柄.

Methods inherited from class java.lang.Object

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

Field Details

events

public Map<String,List<IEventHandler>> events

The events.

Constructor Details

EventBus

public EventBus()

Instantiates a new event bus.

Method Details

register

public boolean register(String topic,
 IEventHandler handler)

向消息总线注册消息句柄.

Parameters:

topic - the topic

handler - the handler

Returns:

true, if successful

unregister

public boolean unregister(String topic,
 IEventHandler handler)

向事件总线移除消息处理句柄.

Parameters:

topic - the topic

handler - the handler

Returns:

true, if successful

fire

public void fire(String topic,
 int type,
 Object event)

激发一个事件.

Parameters:

topic - the topic

type - the type

event - the event