HttpSessionIdListener (Servlet 6.0 API Documentation - Apache Tomcat 10.1.5)

Package jakarta.servlet.http

## Interface HttpSessionIdListener

- All Superinterfaces:
    `java.util.EventListener`

      public interface HttpSessionIdListener
      extends java.util.EventListener

  Implementations of this interface are notified when an `HttpSession`'s ID changes. To receive notification events, the implementation class must be configured in the deployment descriptor for the web application, annotated with `WebListener` or registered by calling an addListener method on the `ServletContext`.
  Since:
    Servlet 3.1
  See Also:
    `HttpSessionEvent`, `HttpServletRequest.changeSessionId()`

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | `sessionIdChanged​(HttpSessionEvent se, java.lang.String oldSessionId)` | Notification that a session ID has been changed.

- - ### Method Detail

    - #### sessionIdChanged

          void sessionIdChanged​(HttpSessionEvent se,
                                java.lang.String oldSessionId)

      Notification that a session ID has been changed.
      Parameters:
        `se` - the notification event
        `oldSessionId` - the old session ID