/*
* Copyright 2004 The Apache Software Foundation
*
* Licensed 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 of changes to the 
	* list of active sessions in a web application.
	* To receive notification events, the implementation class
	* must be configured in the deployment descriptor for the web application.
	* @see HttpSessionEvent
	 * @since	v 2.3
	*/

public interface HttpSessionListener extends EventListener {
    
	/** 
	* Notification that a session was created.
	* @param se the notification event
	*/
    public void sessionCreated ( HttpSessionEvent se );
    
	/** 
	* Notification that a session is about to be invalidated.
	* @param se the notification event
	*/
    public void sessionDestroyed ( HttpSessionEvent se );
    
}