1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78
|
/*
* 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;
/**
* 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.
*
*
* @author Various
* @version $Version$
*
* @see HttpSession
* @see HttpSessionBindingEvent
*
*/
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);
}
|