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*     http://www.apache.org/licenses/LICENSE-2.0
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package jakarta.servlet.http;

import java.util.EventListener;

Objects that are bound to a session may listen to container events notifying them that sessions will be passivated and that session will be activated. A container that migrates session between VMs or persists sessions is required to notify all attributes bound to sessions implementing HttpSessionActivationListener.
Since:2.3
/** * Objects that are bound to a session may listen to container events notifying * them that sessions will be passivated and that session will be activated. A * container that migrates session between VMs or persists sessions is required * to notify all attributes bound to sessions implementing * HttpSessionActivationListener. * * @since 2.3 */
public interface HttpSessionActivationListener extends EventListener {
Notification that the session is about to be passivated. The default implementation is a NO-OP.
Params:
  • se – Information about the session this is about to be passivated
/** * Notification that the session is about to be passivated. * The default implementation is a NO-OP. * * @param se Information about the session this is about to be passivated */
public default void sessionWillPassivate(HttpSessionEvent se) { }
Notification that the session has just been activated. The default implementation is a NO-OP.
Params:
  • se – Information about the session this has just been activated
/** * Notification that the session has just been activated. * The default implementation is a NO-OP. * * @param se Information about the session this has just been activated */
public default void sessionDidActivate(HttpSessionEvent se) { } }