content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2008, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
   * in the United States and other countries.]
   *
   * ----------------------------
   * DialLayerChangeListener.java
   * ----------------------------
   * (C) Copyright 2006-2008, by Object Refinery Limited.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 06-Nov-2006 : Version 1 (DG);
   *
   */
  
  package org.jfree.chart.plot.dial;
  
  import java.util.EventListener;
  
  /**
   * The interface via which an object is notified of changes to a
   * {@link DialLayer}.  The {@link DialPlot} class listens for changes to its
   * layers in this way.
   *
   * @since 1.0.7
   */
  public interface DialLayerChangeListener extends EventListener {
  
      /**
       * A call-back method for receiving notification of a change to a
       * {@link DialLayer}.
       *
       * @param event  the event.
       */
      public void dialLayerChanged(DialLayerChangeEvent event);
  
  }
  