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    2
    3   /*
    4    * The contents of this file are subject to the terms
    5    * of the Common Development and Distribution License
    6    * (the "License").  You may not use this file except
    7    * in compliance with the License.
    8    *
    9    * You can obtain a copy of the license at
    10   * glassfish/bootstrap/legal/CDDLv1.0.txt or
    11   * https://glassfish.dev.java.net/public/CDDLv1.0.html.
    12   * See the License for the specific language governing
    13   * permissions and limitations under the License.
    14   *
    15   * When distributing Covered Code, include this CDDL
    16   * HEADER in each file and include the License file at
    17   * glassfish/bootstrap/legal/CDDLv1.0.txt.  If applicable,
    18   * add the following below this CDDL HEADER, with the
    19   * fields enclosed by brackets "[]" replaced with your
    20   * own identifying information: Portions Copyright [yyyy]
    21   * [name of copyright owner]
    22   *
    23   * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
    24   *
    25   * Portions Copyright Apache Software Foundation.
    26   */
    27
    28  package javax.servlet.http;
    29
    30  import java.util.EventListener;
    31
    32      /** Objects that are bound to a session may listen to container
    33      ** events notifying them that sessions will be passivated and that
    34      ** session will be activated. A container that migrates session between VMs
    35      ** or persists sessions is required to notify all attributes bound to sessions
    36      ** implementing HttpSessionActivationListener.
    37      **
    38      * @since 2.3
    39      */
    40
    41  public interface HttpSessionActivationListener extends EventListener {
    42
    43      /** Notification that the session is about to be passivated.*/
    44      public void sessionWillPassivate(HttpSessionEvent se);
    45      /** Notification that the session has just been activated.*/
    46      public void sessionDidActivate(HttpSessionEvent se);
    47  }
    48