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Java > Open Source Codes > net > sf > jasperreports > crosstabs > base > JRBaseCrosstabDataset


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.crosstabs.base;
29
30 import net.sf.jasperreports.crosstabs.JRCrosstabDataset;
31 import net.sf.jasperreports.engine.JRConstants;
32 import net.sf.jasperreports.engine.JRExpressionCollector;
33 import net.sf.jasperreports.engine.base.JRBaseElementDataset;
34 import net.sf.jasperreports.engine.base.JRBaseObjectFactory;
35
36 /**
37  * Base implementation of crosstab input dataset.
38  *
39  * @author Lucian Chirita (lucianc@users.sourceforge.net)
40  * @version $Id: JRBaseCrosstabDataset.java 1229 2006-04-19 13:27:35 +0300 (Wed, 19 Apr 2006) teodord $
41  */
42 public class JRBaseCrosstabDataset extends JRBaseElementDataset implements JRCrosstabDataset
43 {
44     private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
45     
46     protected boolean dataPreSorted = false;
47
48     public JRBaseCrosstabDataset(JRCrosstabDataset dataset, JRBaseObjectFactory factory)
49     {
50         super(dataset, factory);
51         
52         dataPreSorted = dataset.isDataPreSorted();
53     }
54
55     public void collectExpressions(JRExpressionCollector collector)
56     {
57     }
58
59     public boolean isDataPreSorted()
60     {
61         return dataPreSorted;
62     }
63 }
64
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