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1: /* =========================================================== 2: * JFreeChart : a free chart library for the Java(tm) platform 3: * =========================================================== 4: * 5: * (C) Copyright 2000-2007, 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 20: * License along with this library; if not, write to the Free Software 21: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 22: * USA. 23: * 24: * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 25: * in the United States and other countries.] 26: * 27: * --------------- 28: * DomainInfo.java 29: * --------------- 30: * (C) Copyright 2000-2007, by Object Refinery Limited. 31: * 32: * Original Author: David Gilbert (for Object Refinery Limited); 33: * Contributor(s): -; 34: * 35: * Changes (from 18-Sep-2001) 36: * -------------------------- 37: * 18-Sep-2001 : Added standard header and fixed DOS encoding problem (DG); 38: * 15-Nov-2001 : Moved to package com.jrefinery.data.* (DG); 39: * Updated Javadoc comments (DG); 40: * 22-Apr-2002 : Added getValueRange() method (DG); 41: * 12-Jul-2002 : Renamed getValueRange() --> getDomainRange() (DG); 42: * 06-Oct-2004 : Renamed getDomainRange() --> getDomainBounds() (DG); 43: * 17-Nov-2004 : Added 'includeInterval' argument to all methods (DG); 44: * 11-Jan-2005 : Removed deprecated code in preparation for the 1.0.0 45: * release (DG); 46: * 47: */ 48: 49: package org.jfree.data; 50: 51: /** 52: * An interface (optional) that can be implemented by a dataset to assist in 53: * determining the minimum and maximum values. 54: */ 55: public interface DomainInfo { 56: 57: /** 58: * Returns the minimum x-value in the dataset. 59: * 60: * @param includeInterval a flag that determines whether or not the 61: * x-interval is taken into account. 62: * 63: * @return The minimum value. 64: */ 65: public double getDomainLowerBound(boolean includeInterval); 66: 67: /** 68: * Returns the maximum x-value in the dataset. 69: * 70: * @param includeInterval a flag that determines whether or not the 71: * x-interval is taken into account. 72: * 73: * @return The maximum value. 74: */ 75: public double getDomainUpperBound(boolean includeInterval); 76: 77: /** 78: * Returns the range of the values in this dataset's domain. 79: * 80: * @param includeInterval a flag that determines whether or not the 81: * x-interval is taken into account. 82: * 83: * @return The range. 84: */ 85: public Range getDomainBounds(boolean includeInterval); 86: 87: }