Package jakarta.servlet.http

Interface HttpSessionAttributeListener

All Superinterfaces:

EventListener

public interface HttpSessionAttributeListener
extends EventListener

This listener interface can be implemented in order to get notifications of changes to the attribute lists of sessions within this web application.

Since:

Servlet 2.3

Method Summary

Modifier and Type	Method	Description
default void	attributeAdded(HttpSessionBindingEvent se)	Notification that an attribute has been added to a session.
default void	attributeRemoved(HttpSessionBindingEvent se)	Notification that an attribute has been removed from a session.
default void	attributeReplaced(HttpSessionBindingEvent se)	Notification that an attribute has been replaced in a session.

Method Details

attributeAdded

default void attributeAdded(HttpSessionBindingEvent se)

Notification that an attribute has been added to a session. Called after the attribute is added. The default implementation is a NO-OP.

Parameters:

se - Information about the added attribute

attributeRemoved

default void attributeRemoved(HttpSessionBindingEvent se)

Notification that an attribute has been removed from a session. Called after the attribute is removed. The default implementation is a NO-OP.

Parameters:

se - Information about the removed attribute

attributeReplaced

default void attributeReplaced(HttpSessionBindingEvent se)

Notification that an attribute has been replaced in a session. Called after the attribute is replaced. The default implementation is a NO-OP.

Parameters:

se - Information about the replaced attribute