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/**
 * Licensed to The Apereo Foundation under one or more contributor license
 * agreements. See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.
 *
 *
 * The Apereo Foundation licenses this file to you under the Educational
 * Community 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://opensource.org/licenses/ecl2.txt
 *
 * 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 org.opencastproject.mediapackage;

/**
 * Interface for classes that are observing a media package.
 */
public interface MediaPackageObserver {

  /**
   * This method is called if an element is added to the media package.
   *
   * @param element
   *          the added element
   */
  void elementAdded(MediaPackageElement element);

  /**
   * This method is called if an element is removed from a media package.
   *
   * @param element
   *          the removed element
   */
  void elementRemoved(MediaPackageElement element);

  /**
   * This method is called if the media package was moved to another location.
   *
   * @param mediaPackage
   *          the moved media package
   */
  void packageMoved(MediaPackage mediaPackage);

}