HttpSessionActivationListener.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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 * under the License.
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package javax.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
    */
    
public interface HttpSessionActivationListener extends EventListener { 

    /** Notification that the session is about to be passivated.*/
    public void sessionWillPassivate(HttpSessionEvent se); 
    /** Notification that the session has just been activated.*/
    public void sessionDidActivate(HttpSessionEvent se);
}