001/* =========================================================== 002 * JFreeChart : a free chart library for the Java(tm) platform 003 * =========================================================== 004 * 005 * (C) Copyright 2000-2021, by Object Refinery Limited and Contributors. 006 * 007 * Project Info: http://www.jfree.org/jfreechart/index.html 008 * 009 * This library is free software; you can redistribute it and/or modify it 010 * under the terms of the GNU Lesser General Public License as published by 011 * the Free Software Foundation; either version 2.1 of the License, or 012 * (at your option) any later version. 013 * 014 * This library is distributed in the hope that it will be useful, but 015 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 016 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 017 * License for more details. 018 * 019 * You should have received a copy of the GNU Lesser General Public 020 * License along with this library; if not, write to the Free Software 021 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 022 * USA. 023 * 024 * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 025 * Other names may be trademarks of their respective owners.] 026 * 027 * ---------------------------- 028 * DialLayerChangeListener.java 029 * ---------------------------- 030 * (C) Copyright 2006-2021, by Object Refinery Limited. 031 * 032 * Original Author: David Gilbert (for Object Refinery Limited); 033 * Contributor(s): -; 034 * 035 */ 036 037package org.jfree.chart.plot.dial; 038 039import java.util.EventListener; 040 041/** 042 * The interface via which an object is notified of changes to a 043 * {@link DialLayer}. The {@link DialPlot} class listens for changes to its 044 * layers in this way. 045 */ 046public interface DialLayerChangeListener extends EventListener { 047 048 /** 049 * A call-back method for receiving notification of a change to a 050 * {@link DialLayer}. 051 * 052 * @param event the event. 053 */ 054 public void dialLayerChanged(DialLayerChangeEvent event); 055 056}