01: /*
02: * ============================================================================
03: * GNU Lesser General Public License
04: * ============================================================================
05: *
06: * JasperReports - Free Java report-generating library.
07: * Copyright (C) 2001-2006 JasperSoft Corporation http://www.jaspersoft.com
08: *
09: * 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: * Represents a numeric range.
34: *
35: * @author Barry Klawans (bklawans@users.sourceforge.net)
36: * @version $Id: JRDataRange.java 1792 2007-07-30 08:57:32Z teodord $
37: */
38: public interface JRDataRange {
39: /**
40: * Returns the expression that generates the lower bound of the range.
41: *
42: * @return the expression that generates the lower bound of the range
43: */
44: public JRExpression getLowExpression();
45:
46: /**
47: * Returns the expression that generates the upper bound of the range.
48: *
49: * @return the expression that generates the upper bound of the range
50: */
51: public JRExpression getHighExpression();
52: }
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