1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.kernel.util;
24  
25  /**
26   * <a href="IntegerWrapper.java.html"><b><i>View Source</i></b></a>
27   *
28   * @author Brian Wing Shun Chan
29   *
30   */
31  public class IntegerWrapper
32      extends PrimitiveWrapper implements Comparable<IntegerWrapper> {
33  
34      public static final Class<?> TYPE = Integer.TYPE;
35  
36      public IntegerWrapper() {
37          this(0);
38      }
39  
40      public IntegerWrapper(int value) {
41          _value = value;
42      }
43  
44      public int compareTo(IntegerWrapper integerWrapper) {
45          if (integerWrapper == null) {
46              return 1;
47          }
48  
49          if (getValue() > integerWrapper.getValue()) {
50              return 1;
51          }
52          else if (getValue() < integerWrapper.getValue()) {
53              return -1;
54          }
55          else {
56              return 0;
57          }
58      }
59  
60      public int getValue() {
61          return _value;
62      }
63  
64      public void setValue(int value) {
65          _value = value;
66      }
67  
68      public int increment() {
69          return ++_value;
70      }
71  
72      public int decrement() {
73          return --_value;
74      }
75  
76      private int _value;
77  
78  }