org.cometd.bayeux.server

Interface BayeuxServer.SubscriptionListener

All Superinterfaces:

Bayeux.BayeuxListener, BayeuxServer.BayeuxServerListener, EventListener

Enclosing interface:

BayeuxServer

public static interface BayeuxServer.SubscriptionListener
extends BayeuxServer.BayeuxServerListener

Specialized listener for ServerChannel subscription events.

This listener is called when a subscribe message or an unsubscribe message occurs for any channel known to the BayeuxServer.

This interface the correspondent of the ServerChannel.SubscriptionListener interface, but it is invoked for any session and any channel known to the BayeuxServer, after having invoked the ServerChannel.SubscriptionListener.

Method Summary

Modifier and Type	Method and Description
default void	subscribed(ServerSession session, ServerChannel channel, ServerMessage message) Callback invoked when a ServerSession subscribes to a ServerChannel.
default void	unsubscribed(ServerSession session, ServerChannel channel, ServerMessage message) Callback invoked when a ServerSession unsubscribes from a ServerChannel.

Method Detail

subscribed

default void subscribed(ServerSession session,
                        ServerChannel channel,
                        ServerMessage message)

Callback invoked when a ServerSession subscribes to a ServerChannel.

Parameters:

session - the session that subscribes

channel - the channel to subscribe to

message - the subscription message sent by the client, or null in case of server-side subscription via ServerChannel.subscribe(ServerSession)

unsubscribed

default void unsubscribed(ServerSession session,
                          ServerChannel channel,
                          ServerMessage message)

Callback invoked when a ServerSession unsubscribes from a ServerChannel.

Parameters:

session - the session that unsubscribes

channel - the channel to unsubscribe from

message - the unsubscription message sent by the client, or null in case of server-side unsubscription via ServerChannel.unsubscribe(ServerSession)