/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at
 * trunk/opends/resource/legal-notices/OpenDS.LICENSE
 * or https://OpenDS.dev.java.net/OpenDS.LICENSE.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at
 * trunk/opends/resource/legal-notices/OpenDS.LICENSE.  If applicable,
 * add the following below this CDDL HEADER, with the fields enclosed
 * by brackets "[]" replaced with your own identifying information:
 *      Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 *
 *
 *      Copyright 2006-2008 Sun Microsystems, Inc.
 */
package org.opends.server.api;



import org.opends.server.types.BackupConfig;



/**
 * This interface defines a set of methods that may be used to notify
 * various Directory Server components whenever a backend backup task
 * is about to begin or has just completed.  Note that these methods
 * will only be invoked for the backup task and not for offline backup
 * processing.
 */
@org.opends.server.types.PublicAPI(
     stability=org.opends.server.types.StabilityLevel.VOLATILE,
     mayInstantiate=false,
     mayExtend=true,
     mayInvoke=false)
public interface BackupTaskListener
{
  /**
   * Performs any processing that might be necessary just before the
   * server begins processing on a backup task.  This may include
   * flushing any outstanding writes to disk so they are included in
   * the backup and/or pausing interaction with the provided backend
   * while the backup is in progress.
   *
   * @param  backend  The backend to be archived.
   * @param  config   Configuration information about the backup to be
   *                  performed.
   */
  public void processBackupBegin(Backend backend,
                                 BackupConfig config);



  /**
   * Performs any processing that might be necessary after the server
   * has completed processing on a backup task.  Note that this will
   * always be called when backup processing completes, regardless of
   * whether it was successful.
   *
   * @param  backend     The backend that was archived.
   * @param  config      Configuration information about the backup
   *                     that was performed.
   * @param  successful  Indicates whether the backup operation
   *                     completed successfully.
   */
  public void processBackupEnd(Backend backend, BackupConfig config,
                               boolean successful);
}