1 /* 2 * ============================================================================ 3 * GNU Lesser General Public License 4 * ============================================================================ 5 * 6 * JasperReports - Free Java report-generating library. 7 * Copyright (C) 2001-2006 JasperSoft Corporation http://www.jaspersoft.com 8 * 9 * This library is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU Lesser General Public 11 * License as published by the Free Software Foundation; either 12 * version 2.1 of the License, or (at your option) any later version. 13 * 14 * This library is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 * Lesser General Public 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. 22 * 23 * JasperSoft Corporation 24 * 303 Second Street, Suite 450 North 25 * San Francisco, CA 94107 26 * http://www.jaspersoft.com 27 */ 28 package net.sf.jasperreports.charts; 29 30 import net.sf.jasperreports.engine.JRExpression; 31 32 33 /** 34 * Represents a numeric range. 35 * 36 * @author Barry Klawans (bklawans@users.sourceforge.net) 37 * @version $Id: JRDataRange.java 1385 2006-09-06 00:29:03 +0300 (Wed, 06 Sep 2006) bklawans $ 38 */ 39 public interface JRDataRange 40 { 41 /** 42 * Returns the expression that generates the lower bound of the range. 43 * 44 * @return the expression that generates the lower bound of the range 45 */ 46 public JRExpression getLowExpression(); 47 48 /** 49 * Returns the expression that generates the upper bound of the range. 50 * 51 * @return the expression that generates the upper bound of the range 52 */ 53 public JRExpression getHighExpression(); 54 } 55