HttpSessionActivationListener


1   /*
2   * Licensed to the Apache Software Foundation (ASF) under one or more
3   * contributor license agreements.  See the NOTICE file distributed with
4   * this work for additional information regarding copyright ownership.
5   * The ASF licenses this file to You under the Apache License, Version 2.0
6   * (the "License"); you may not use this file except in compliance with
7   * the License.  You may obtain a copy of the License at
8   *
9   *     http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17  package javax.servlet.http;
18  
19  import java.util.EventListener  ;
20  
21      /** Objects that are bound to a session may listen to container
22      ** events notifying them that sessions will be passivated and that
23      ** session will be activated. A container that migrates session between VMs
24      ** or persists sessions is required to notify all attributes bound to sessions
25      ** implementing HttpSessionActivationListener.
26      **
27      * @since 2.3
28      */
29      
30  public interface HttpSessionActivationListener extends EventListener   { 
31  
32      /** Notification that the session is about to be passivated.*/
33      public void sessionWillPassivate(HttpSessionEvent   se); 
34      /** Notification that the session has just been activated.*/
35      public void sessionDidActivate(HttpSessionEvent   se);
36  } 
37  
38

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