com.vaadin.collaborationengine

Interface NewUserHandler

All Superinterfaces:

Serializable

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface NewUserHandler
extends Serializable

Functional interface that defines how to handle a user when it becomes present in a topic.

Author:

Vaadin Ltd

See Also:

PresenceManager.setNewUserHandler(NewUserHandler)

Method Summary

Modifier and Type	Method and Description
Registration	handleNewUser(UserInfo user) Handles a user when it becomes present in a topic.

Method Detail

handleNewUser

Registration handleNewUser(UserInfo user)

Handles a user when it becomes present in a topic.

Parameters:

user - the user that becomes present

Returns:

a registration that will be removed when the user stops being present