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.JRChartDataset;
31: import net.sf.jasperreports.engine.JRExpression;
32: import net.sf.jasperreports.engine.JRHyperlink;
33:
34: /**
35: * @author Teodor Danciu (teodord@users.sourceforge.net)
36: * @version $Id: JRPieDataset.java 1368 2006-09-01 12:01:52Z lucianc $
37: */
38: public interface JRPieDataset extends JRChartDataset {
39:
40: /**
41: *
42: */
43: public JRExpression getKeyExpression();
44:
45: /**
46: *
47: */
48: public JRExpression getValueExpression();
49:
50: /**
51: *
52: */
53: public JRExpression getLabelExpression();
54:
55: /**
56: * Returns the hyperlink specification for chart sections.
57: * <p>
58: * The hyperlink will be evaluated for every chart section and an image map will be created for the chart.
59: * </p>
60: *
61: * @return hyperlink specification for chart sections
62: */
63: public JRHyperlink getSectionHyperlink();
64:
65: }
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