/libformula-1.1.3/source/org/pentaho/reporting/libraries/formula/typing/DefaultType.java
Java | 94 lines | 61 code | 10 blank | 23 comment | 10 complexity | 7049699f896f0dfbea41a8c261761b09 MD5 | raw file
Possible License(s): LGPL-2.1
1/*
2 * This program is free software; you can redistribute it and/or modify it under the
3 * terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
4 * Foundation.
5 *
6 * You should have received a copy of the GNU Lesser General Public License along with this
7 * program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
8 * or from the Free Software Foundation, Inc.,
9 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
10 *
11 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
12 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 * See the GNU Lesser General Public License for more details.
14 *
15 * Copyright (c) 2006 - 2009 Pentaho Corporation and Contributors. All rights reserved.
16 */
17
18package org.pentaho.reporting.libraries.formula.typing;
19
20import java.util.HashMap;
21import java.util.HashSet;
22
23/**
24 * Creation-Date: 02.11.2006, 09:37:54
25 *
26 * @author Thomas Morgner
27 */
28public abstract class DefaultType implements Type
29{
30 private HashSet flags;
31 private HashMap properties;
32 private boolean locked;
33 private static final long serialVersionUID = -8206983276033867416L;
34
35 protected DefaultType()
36 {
37 }
38
39 public boolean isLocked()
40 {
41 return locked;
42 }
43
44 public void lock()
45 {
46 this.locked = true;
47 }
48
49 public void addFlag(final String name)
50 {
51 if (locked)
52 {
53 throw new IllegalStateException();
54 }
55 if (flags == null)
56 {
57 flags = new HashSet();
58 }
59 flags.add(name);
60 }
61
62 public boolean isFlagSet(final String name)
63 {
64 if (flags == null)
65 {
66 return false;
67 }
68 return flags.contains(name);
69 }
70
71 public void setProperty(final String name, final Object value)
72 {
73 if (locked)
74 {
75 throw new IllegalStateException();
76 }
77 if (properties == null)
78 {
79 properties = new HashMap();
80 }
81 properties.put(name, value);
82 }
83
84 public Object getProperty(final String name)
85 {
86 // The type system has no properties yet. This is done later, when we
87 // deal with real meta-data
88 if (properties == null)
89 {
90 return null;
91 }
92 return properties.get(name);
93 }
94}