1 /* =========================================================== 2 * JFreeChart : a free chart library for the Java(tm) platform 3 * =========================================================== 4 * 5 * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors. 6 * 7 * Project Info: http://www.jfree.org/jfreechart/index.html 8 * 9 * This library is free software; you can redistribute it and/or modify it 10 * under the terms of the GNU Lesser General Public License as published by 11 * the Free Software Foundation; either version 2.1 of the License, or 12 * (at your option) any later version. 13 * 14 * This library is distributed in the hope that it will be useful, but 15 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 16 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 17 * License for more details. 18 * 19 * You should have received a copy of the GNU Lesser General Public License 20 * along with this library; if not, write to the Free Software Foundation, 21 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. 22 * 23 * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 24 * in the United States and other countries.] 25 * 26 * -------------- 27 * RangeInfo.java 28 * -------------- 29 * (C) Copyright 2000-2005, by Object Refinery Limited. 30 * 31 * Original Author: David Gilbert (for Object Refinery Limited); 32 * Contributor(s): -; 33 * 34 * $Id: RangeInfo.java,v 1.5 2005/03/04 11:45:15 mungady Exp $ 35 * 36 * Changes (from 18-Sep-2001) 37 * -------------------------- 38 * 18-Sep-2001 : Added standard header and fixed DOS encoding problem (DG); 39 * 15-Nov-2001 : Moved to package com.jrefinery.data.* (DG); 40 * Updated Javadoc comments (DG); 41 * 22-Apr-2002 : Added getValueRange() method (DG); 42 * 17-Nov-2004 : Replaced getMinimumRangeValue() --> getRangeLowerBound(), 43 * getMaximumRangeValue() --> getRangeUpperBound(), 44 * getValueRange() --> getRangeBounds(). 45 * 11-Jan-2005 : Removed deprecated code in preparation for the 1.0.0 46 * release (DG); 47 * 48 */ 49 50 package org.jfree.data; 51 52 /** 53 * An interface (optional) that can be implemented by a dataset to assist in 54 * determining the minimum and maximum values. See also {@link DomainInfo}. 55 */ 56 public interface RangeInfo { 57 58 /** 59 * Returns the minimum y-value in the dataset. 60 * 61 * @param includeInterval a flag that determines whether or not the 62 * y-interval is taken into account. 63 * 64 * @return The minimum value. 65 */ 66 public double getRangeLowerBound(boolean includeInterval); 67 68 /** 69 * Returns the maximum y-value in the dataset. 70 * 71 * @param includeInterval a flag that determines whether or not the 72 * y-interval is taken into account. 73 * 74 * @return The maximum value. 75 */ 76 public double getRangeUpperBound(boolean includeInterval); 77 78 /** 79 * Returns the range of the values in this dataset's range. 80 * 81 * @param includeInterval a flag that determines whether or not the 82 * y-interval is taken into account. 83 * 84 * @return The range. 85 */ 86 public Range getRangeBounds(boolean includeInterval); 87 88 } 89