public interface HttpSessionAttributeListener
extends java.util.EventListener
In order to receive these notification events, the implementation class must be either declared in the deployment
descriptor of the web application, annotated with WebListener, or registered via one
of the addListener methods defined on ServletContext.
The order in which implementations of this interface are invoked is unspecified.
| Modifier and Type | Method and Description |
|---|---|
default void |
attributeAdded(HttpSessionBindingEvent event)
Receives notification that an attribute has been added to a session.
|
default void |
attributeRemoved(HttpSessionBindingEvent event)
Receives notification that an attribute has been removed from a session.
|
default void |
attributeReplaced(HttpSessionBindingEvent event)
Receives notification that an attribute has been replaced in a session.
|
default void attributeAdded(HttpSessionBindingEvent event)
event - the HttpSessionBindingEvent containing the session and the name and value of the attribute that was
addeddefault void attributeRemoved(HttpSessionBindingEvent event)
event - the HttpSessionBindingEvent containing the session and the name and value of the attribute that was
removeddefault void attributeReplaced(HttpSessionBindingEvent event)
event - the HttpSessionBindingEvent containing the session and the name and (old) value of the attribute
that was replaced