Package com.tenio.core.event.implement

Class EventManager

java.lang.Object

com.tenio.common.logger.AbstractLogger

com.tenio.common.logger.SystemLogger

com.tenio.core.event.implement.EventManager

@NotThreadSafe
public final class EventManager
extends com.tenio.common.logger.SystemLogger

This class for managing events and these subscribers.

Method Summary

Modifier and Type	Method	Description
void	clear()	Clear all subscribers and these corresponding events.
Object	emit(ServerEvent event, Object... params)	Emit an event with its parameters.
boolean	hasSubscriber(ServerEvent event)	Check if an event has any subscribers or not.
static EventManager	newInstance()
void	on(ServerEvent event, Subscriber subscriber)	Add a subscriber's handler.
void	subscribe()	Collect all subscribers and these corresponding events.

Methods inherited from class com.tenio.common.logger.SystemLogger

debug, trace, trace

Methods inherited from class com.tenio.common.logger.AbstractLogger

buildgen, error, error, info, info, info, info, info, info, info, info

Methods inherited from class java.lang.Object

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

Method Details

newInstance

public static EventManager newInstance()

emit

public Object emit(ServerEvent event,
 Object... params)

Emit an event with its parameters.

Parameters:

event - see ServerEvent

params - a list parameters of this event

Returns:

the event result (the response of its subscribers), see Object or null

See Also:

• EventProducer.emit(ServerEvent, Object...)

on

public void on(ServerEvent event,
 Subscriber subscriber)

Add a subscriber's handler.

Parameters:

event - see ServerEvent

subscriber - see Subscriber

subscribe

public void subscribe()

Collect all subscribers and these corresponding events.

hasSubscriber

public boolean hasSubscriber(ServerEvent event)

Check if an event has any subscribers or not.

Parameters:

event - see ServerEvent

Returns:

true if an event has any subscribers

clear

public void clear()

Clear all subscribers and these corresponding events.