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


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 java.io.Serializable JavaDoc;
31
32 import net.sf.jasperreports.crosstabs.JRCrosstabBucket;
33 import net.sf.jasperreports.crosstabs.fill.calculation.BucketDefinition;
34 import net.sf.jasperreports.engine.JRConstants;
35 import net.sf.jasperreports.engine.JRExpression;
36 import net.sf.jasperreports.engine.base.JRBaseObjectFactory;
37
38 /**
39  * Base read-only implementation of {@link net.sf.jasperreports.crosstabs.JRCrosstabBucket JRCrosstabBucket}.
40  *
41  * @author Lucian Chirita (lucianc@users.sourceforge.net)
42  * @version $Id: JRBaseCrosstabBucket.java 1229 2006-04-19 13:27:35 +0300 (Wed, 19 Apr 2006) teodord $
43  */
44 public class JRBaseCrosstabBucket implements JRCrosstabBucket, Serializable JavaDoc
45 {
46     private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
47
48     protected byte order = BucketDefinition.ORDER_ASCENDING;
49     protected JRExpression expression;
50     protected JRExpression comparatorExpression;
51
52     protected JRBaseCrosstabBucket()
53     {
54     }
55     
56     public JRBaseCrosstabBucket(JRCrosstabBucket bucket, JRBaseObjectFactory factory)
57     {
58         factory.put(bucket, this);
59         
60         this.order = bucket.getOrder();
61         this.expression = factory.getExpression(bucket.getExpression());
62         this.comparatorExpression = factory.getExpression(bucket.getComparatorExpression());
63     }
64
65     public byte getOrder()
66     {
67         return order;
68     }
69
70     public JRExpression getExpression()
71     {
72         return expression;
73     }
74
75     public JRExpression getComparatorExpression()
76     {
77         return comparatorExpression;
78     }
79 }
80
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