Package org.cometd.bayeux.server

Interface ServerSession.MessageListener

All Superinterfaces:

Bayeux.BayeuxListener, java.util.EventListener, ServerSession.ServerSessionListener

Enclosing interface:

ServerSession

public static interface ServerSession.MessageListener
extends ServerSession.ServerSessionListener

Listeners objects that implement this interface will be notified of message sending.

Method Summary

Modifier and Type	Method	Description
default boolean	onMessage(ServerSession session, ServerSession sender, ServerMessage message)	Blocking version of onMessage(ServerSession, ServerSession, ServerMessage, Promise).
default void	onMessage(ServerSession session, ServerSession sender, ServerMessage message, Promise<java.lang.Boolean> promise)	Callback invoked when a message is sent.

Method Detail

onMessage

default void onMessage(ServerSession session,
                       ServerSession sender,
                       ServerMessage message,
                       Promise<java.lang.Boolean> promise)

Callback invoked when a message is sent.

Implementers can decide to notify the promise with false to signal that the message should not be further processed, meaning that other session listeners will not be notified and that the message will be discarded for this session.

Parameters:

session - the session that will receive the message

sender - the session that sent the message

message - the message sent

promise - the promise to notify whether the processing of the message should continue

onMessage

default boolean onMessage(ServerSession session,
                          ServerSession sender,
                          ServerMessage message)

Blocking version of onMessage(ServerSession, ServerSession, ServerMessage, Promise).

Parameters:

session - the session that will receive the message

sender - the session that sent the message

message - the message sent

Returns:

whether the processing of the message should continue