Package jakarta.servlet.http

Interface HttpSessionAttributeListener

  • All Superinterfaces:
    java.util.EventListener
    public interface HttpSessionAttributeListener
extends java.util.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 Detail

      • 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