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Java > Open Source Codes > net > sf > jasperreports > olap > mapping > DataMapping


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.olap.mapping;
29
30 import java.util.Iterator JavaDoc;
31 import java.util.List JavaDoc;
32
33
34 /**
35  * @author Lucian Chirita (lucianc@users.sourceforge.net)
36  * @version $Id: DataMapping.java 1247 2006-05-05 19:13:59 +0300 (Fri, 05 May 2006) lucianc $
37  */
38 public class DataMapping implements Mapping
39 {
40     private final boolean formatted;
41     private final List JavaDoc filter;
42     private final List JavaDoc positions;
43     
44     public DataMapping(boolean formatted, List JavaDoc filter, List JavaDoc positions)
45     {
46         this.formatted = formatted;
47         this.filter = filter;
48         this.positions = positions;
49     }
50     
51     
52     public List JavaDoc getFilter()
53     {
54         return filter;
55     }
56     
57     public boolean isFormatted()
58     {
59         return formatted;
60     }
61     
62     public List JavaDoc getPositions()
63     {
64         return positions;
65     }
66
67     public Iterator JavaDoc memberMappings()
68     {
69         return filter == null ? new EmptyIt() : filter.iterator();
70     }
71     
72     protected static class EmptyIt implements Iterator JavaDoc
73     {
74         public void remove()
75         {
76             throw new UnsupportedOperationException JavaDoc();
77         }
78
79         public boolean hasNext()
80         {
81             return false;
82         }
83
84         public Object JavaDoc next()
85         {
86             return null;
87         }
88     }
89 }
90
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