/*
* 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 KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package javax.servlet.http;
import java.util.EventListener;
/**
* Implementations of this interface are notified when an {@link HttpSession}'s
* ID changes. To receive notification events, the implementation class must be
* configured in the deployment descriptor for the web application, annotated
* with {@link javax.servlet.annotation.WebListener} or registered by calling an
* addListener method on the {@link javax.servlet.ServletContext}.
*
* @see HttpSessionEvent
* @see HttpServletRequest#changeSessionId()
* @since Servlet 3.1
*/
public interface HttpSessionIdListener extends EventListener {
/**
* Notification that a session ID has been changed.
*
* @param se the notification event
* @param oldSessionId the old session ID
*/
public void sessionIdChanged(HttpSessionEvent se, String oldSessionId);
}