javax.servlet.http.HttpSessionBindingListener Maven / Gradle / Ivy
/**
*
* Copyright 2003-2004 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.
*/
//
// This source code implements specifications defined by the Java
// Community Process. In order to remain compliant with the specification
// DO NOT add / change / or delete method signatures!
//
package javax.servlet.http;
import java.util.EventListener;
/**
* Causes an object to be notified when it is bound to
* or unbound from a session. The object is notified
* by an {@link HttpSessionBindingEvent} object. This may be as a result
* of a servlet programmer explicitly unbinding an attribute from a session,
* due to a session being invalidated, or due to a session timing out.
*
* @see HttpSession
* @see HttpSessionBindingEvent
*
* @version $Rev: 46019 $ $Date: 2004-09-14 04:56:06 -0500 (Tue, 14 Sep 2004) $
*/
public interface HttpSessionBindingListener extends EventListener {
/**
* Notifies the object that it is being bound to a session and identifies
* the session.
*
* @param event the event that identifies the session
*
* @see #valueUnbound
*/
public void valueBound(HttpSessionBindingEvent event);
/**
* Notifies the object that it is being unbound from a session and
* identifies the session.
*
* @param event the event that identifies the session
*
* @see #valueBound
*/
public void valueUnbound(HttpSessionBindingEvent event);
}