001 /* =========================================================== 002 * JFreeChart : a free chart library for the Java(tm) platform 003 * =========================================================== 004 * 005 * (C) Copyright 2000-2005, 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 * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 025 * in the United States and other countries.] 026 * 027 * --------------- 028 * DomainInfo.java 029 * --------------- 030 * (C) Copyright 2000-2005, by Object Refinery Limited. 031 * 032 * Original Author: David Gilbert (for Object Refinery Limited); 033 * Contributor(s): -; 034 * 035 * $Id: DomainInfo.java,v 1.6.2.1 2005/10/25 21:29:13 mungady Exp $ 036 * 037 * Changes (from 18-Sep-2001) 038 * -------------------------- 039 * 18-Sep-2001 : Added standard header and fixed DOS encoding problem (DG); 040 * 15-Nov-2001 : Moved to package com.jrefinery.data.* (DG); 041 * Updated Javadoc comments (DG); 042 * 22-Apr-2002 : Added getValueRange() method (DG); 043 * 12-Jul-2002 : Renamed getValueRange() --> getDomainRange() (DG); 044 * 06-Oct-2004 : Renamed getDomainRange() --> getDomainBounds() (DG); 045 * 17-Nov-2004 : Added 'includeInterval' argument to all methods (DG); 046 * 11-Jan-2005 : Removed deprecated code in preparation for the 1.0.0 047 * release (DG); 048 * 049 */ 050 051 package org.jfree.data; 052 053 /** 054 * An interface (optional) that can be implemented by a dataset to assist in 055 * determining the minimum and maximum values. 056 */ 057 public interface DomainInfo { 058 059 /** 060 * Returns the minimum x-value in the dataset. 061 * 062 * @param includeInterval a flag that determines whether or not the 063 * x-interval is taken into account. 064 * 065 * @return The minimum value. 066 */ 067 public double getDomainLowerBound(boolean includeInterval); 068 069 /** 070 * Returns the maximum x-value in the dataset. 071 * 072 * @param includeInterval a flag that determines whether or not the 073 * x-interval is taken into account. 074 * 075 * @return The maximum value. 076 */ 077 public double getDomainUpperBound(boolean includeInterval); 078 079 /** 080 * Returns the range of the values in this dataset's domain. 081 * 082 * @param includeInterval a flag that determines whether or not the 083 * x-interval is taken into account. 084 * 085 * @return The range. 086 */ 087 public Range getDomainBounds(boolean includeInterval); 088 089 }