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


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 net.sf.jasperreports.olap.result.JROlapMember;
31
32 /**
33  * @author Lucian Chirita (lucianc@users.sourceforge.net)
34  * @version $Id: Member.java 1446 2006-10-25 12:00:05 +0300 (Wed, 25 Oct 2006) lucianc $
35  */
36 public class Member
37 {
38     private final TuplePosition pos;
39     private final MemberDepth depth;
40     
41     public Member(TuplePosition pos, MemberDepth depth)
42     {
43         this.pos = pos;
44         this.depth = depth;
45     }
46
47     public Axis getAxis()
48     {
49         return pos.getAxis();
50     }
51
52     public MemberDepth getDepth()
53     {
54         return depth;
55     }
56
57     public TuplePosition getPosition()
58     {
59         return pos;
60     }
61     
62     public boolean matches(JROlapMember member)
63     {
64         boolean match;
65         int memberDepth = member.getDepth();
66         
67         if (depth == null)
68         {
69             match = true;
70         }
71         else
72         {
73             match = memberDepth == depth.getDepth();
74         }
75         return match;
76     }
77
78     public JROlapMember ancestorMatch(JROlapMember member)
79     {
80         JROlapMember ancestor;
81         int memberDepth = member.getDepth();
82         
83         if (depth == null)
84         {
85             ancestor = member;
86         }
87         else if (depth.getDepth() <= memberDepth)
88         {
89             ancestor = member;
90             for (int i = depth.getDepth(); i < memberDepth; ++i)
91             {
92                 ancestor = ancestor.getParentMember();
93             }
94         }
95         else
96         {
97             ancestor = null;
98         }
99         
100         return ancestor;
101     }
102 }
103
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