io.nadron.event.impl

Class ExecutorEventDispatcher

java.lang.Object

io.nadron.event.impl.ExecutorEventDispatcher

All Implemented Interfaces:

EventDispatcher

public class ExecutorEventDispatcher
extends Object
implements EventDispatcher

Field Summary

Fields

Modifier and Type	Field and Description
private static ExecutorService	EXECUTOR
private List<EventHandler>	genericHandlers
private Map<Integer,List<EventHandler>>	handlersByEventType
private boolean	isShuttingDown

Constructor Summary

Constructors

Constructor and Description
ExecutorEventDispatcher()
ExecutorEventDispatcher(Map<Integer,List<EventHandler>> handlersByEventType, List<EventHandler> genericHandlers)

Method Summary

Methods

Modifier and Type	Method and Description
void	addHandler(EventHandler eventHandler) Adds event handler to the dispatcher.
void	clear() Clears all handles associated with this dispatcher.
void	close() Called by the session during disconnect, the dispatcher will no longer accept any events, it will also detach the existing listeners.
void	fireEvent(Event event) Fires event in asynchronous mode
List<EventHandler>	getHandlers(int eventType) Returns the list of EventHandlers associated with a particular event type.
void	removeHandler(EventHandler eventHandler) Removes an event handler from the dispatcher
void	removeHandlersForEvent(int eventType) Removes all event listeners associated with the event type.
boolean	removeHandlersForSession(Session session) Removes all the handlers for a session.

Methods inherited from class java.lang.Object

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

Field Detail

EXECUTOR

private static final ExecutorService EXECUTOR

handlersByEventType

private Map<Integer,List<EventHandler>> handlersByEventType

genericHandlers

private List<EventHandler> genericHandlers

isShuttingDown

private boolean isShuttingDown

Constructor Detail

ExecutorEventDispatcher

public ExecutorEventDispatcher()

ExecutorEventDispatcher

public ExecutorEventDispatcher(Map<Integer,List<EventHandler>> handlersByEventType,
                       List<EventHandler> genericHandlers)

Method Detail

addHandler

public void addHandler(EventHandler eventHandler)

Description copied from interface: EventDispatcher

Adds event handler to the dispatcher. Using this method, different events can be handled using different handlers.

Specified by:

addHandler in interface EventDispatcher

Parameters:

eventHandler - The event handler to be added to the dispatcher.

getHandlers

public List<EventHandler> getHandlers(int eventType)

Description copied from interface: EventDispatcher

Returns the list of EventHandlers associated with a particular event type.

Specified by:

getHandlers in interface EventDispatcher

Parameters:

eventType - The type of event.

Returns:

The list EventHandlers associated with that event or null.

removeHandler

public void removeHandler(EventHandler eventHandler)

Description copied from interface: EventDispatcher

Removes an event handler from the dispatcher

Specified by:

removeHandler in interface EventDispatcher

Parameters:

eventHandler - the event handler to be removed from the dispatcher

removeHandlersForEvent

public void removeHandlersForEvent(int eventType)

Description copied from interface: EventDispatcher

Removes all event listeners associated with the event type.

Specified by:

removeHandlersForEvent in interface EventDispatcher

removeHandlersForSession

public boolean removeHandlersForSession(Session session)

Description copied from interface: EventDispatcher

Removes all the handlers for a session.

Specified by:

removeHandlersForSession in interface EventDispatcher

Parameters:

session - The session instance from which event handlers need to be removed.

Returns:

Returns true if all handlers were successfully removed.

clear

public void clear()

Description copied from interface: EventDispatcher

Clears all handles associated with this dispatcher.

Specified by:

clear in interface EventDispatcher

fireEvent

public void fireEvent(Event event)

Description copied from interface: EventDispatcher

Fires event in asynchronous mode

Specified by:

fireEvent in interface EventDispatcher

close

public void close()

Description copied from interface: EventDispatcher

Called by the session during disconnect, the dispatcher will no longer accept any events, it will also detach the existing listeners.

Specified by:

close in interface EventDispatcher