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Java > Open Source Codes > net > sf > jasperreports > charts > JRPieDataset


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.JRChartDataset;
31 import net.sf.jasperreports.engine.JRExpression;
32 import net.sf.jasperreports.engine.JRHyperlink;
33
34
35 /**
36  * @author Teodor Danciu (teodord@users.sourceforge.net)
37  * @version $Id: JRPieDataset.java 1368 2006-09-01 15:01:52 +0300 (Fri, 01 Sep 2006) lucianc $
38  */
39 public interface JRPieDataset extends JRChartDataset
40 {
41     
42     /**
43      *
44      */
45     public JRExpression getKeyExpression();
46
47     /**
48      *
49      */
50     public JRExpression getValueExpression();
51
52     /**
53      *
54      */
55     public JRExpression getLabelExpression();
56     
57     
58     /**
59      * Returns the hyperlink specification for chart sections.
60      * <p>
61      * The hyperlink will be evaluated for every chart section and an image map will be created for the chart.
62      * </p>
63      *
64      * @return hyperlink specification for chart sections
65      */
66     public JRHyperlink getSectionHyperlink();
67
68 }
69
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