Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
ComparableComparator |
|
| 1.0;1 |
1 | /* | |
2 | * Licensed to the Apache Software Foundation (ASF) under one or more | |
3 | * contributor license agreements. See the NOTICE file distributed with | |
4 | * this work for additional information regarding copyright ownership. | |
5 | * The ASF licenses this file to You under the Apache License, Version 2.0 | |
6 | * (the "License"); you may not use this file except in compliance with | |
7 | * the License. You may obtain a copy of the License at | |
8 | * | |
9 | * http://www.apache.org/licenses/LICENSE-2.0 | |
10 | * | |
11 | * Unless required by applicable law or agreed to in writing, software | |
12 | * distributed under the License is distributed on an "AS IS" BASIS, | |
13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
14 | * See the License for the specific language governing permissions and | |
15 | * limitations under the License. | |
16 | */ | |
17 | package org.apache.commons.functor.core.comparator; | |
18 | ||
19 | import java.io.Serializable; | |
20 | import java.util.Comparator; | |
21 | ||
22 | /** | |
23 | * See Commons-Collections for a public version | |
24 | * of this class. | |
25 | * | |
26 | * @version $Revision: 1166339 $ $Date: 2011-09-07 21:43:47 +0200 (Wed, 07 Sep 2011) $ | |
27 | * @author Rodney Waldhoff | |
28 | */ | |
29 | @SuppressWarnings({ "unchecked", "rawtypes" }) | |
30 | final class ComparableComparator implements Comparator, Serializable { | |
31 | ||
32 | /** Singleton. */ | |
33 | 2 | public static final ComparableComparator INSTANCE = new ComparableComparator(); |
34 | ||
35 | /** | |
36 | * serialVersionUID declaration. | |
37 | */ | |
38 | private static final long serialVersionUID = -5849476573719561212L; | |
39 | ||
40 | /** | |
41 | * Create a new ComparableComparator. | |
42 | */ | |
43 | 24 | public ComparableComparator() { |
44 | 24 | } |
45 | ||
46 | /** | |
47 | * {@inheritDoc} | |
48 | */ | |
49 | public int compare(Object o1, Object o2) { | |
50 | 340 | return ((Comparable) o1).compareTo(o2); |
51 | } | |
52 | ||
53 | /** | |
54 | * {@inheritDoc} | |
55 | */ | |
56 | public boolean equals(Object obj) { | |
57 | 140 | return (obj instanceof ComparableComparator); |
58 | } | |
59 | ||
60 | /** | |
61 | * {@inheritDoc} | |
62 | */ | |
63 | public int hashCode() { | |
64 | 244 | return toString().hashCode(); |
65 | } | |
66 | ||
67 | /** | |
68 | * {@inheritDoc} | |
69 | */ | |
70 | public String toString() { | |
71 | 412 | return "ComparableComparator"; |
72 | } | |
73 | ||
74 | /** | |
75 | * Get a ComparableComparator instance. | |
76 | * @return ComparableComparator | |
77 | */ | |
78 | public static ComparableComparator instance() { | |
79 | 52 | return INSTANCE; |
80 | } | |
81 | ||
82 | } |