Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
ArrayComparator |
|
| 1.0;1 | ||||
ArrayComparator$Default |
|
| 1.0;1 | ||||
ArrayComparator$Neutral |
|
| 1.0;1 | ||||
ArrayComparator$Reverse |
|
| 1.0;1 |
1 | /** | |
2 | * Copyright (c) 2012-2014, jcabi.com | |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: 1) Redistributions of source code must retain the above | |
8 | * copyright notice, this list of conditions and the following | |
9 | * disclaimer. 2) Redistributions in binary form must reproduce the above | |
10 | * copyright notice, this list of conditions and the following | |
11 | * disclaimer in the documentation and/or other materials provided | |
12 | * with the distribution. 3) Neither the name of the jcabi.com nor | |
13 | * the names of its contributors may be used to endorse or promote | |
14 | * products derived from this software without specific prior written | |
15 | * permission. | |
16 | * | |
17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
18 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT | |
19 | * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND | |
20 | * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL | |
21 | * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, | |
22 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
23 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
24 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
25 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
26 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
27 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
28 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
29 | */ | |
30 | package com.jcabi.immutable; | |
31 | ||
32 | import com.jcabi.aspects.Immutable; | |
33 | import java.io.Serializable; | |
34 | import java.util.Comparator; | |
35 | ||
36 | /** | |
37 | * Comparator for arrays. | |
38 | * | |
39 | * @param <T> Value type | |
40 | * @author Yegor Bugayenko (yegor@tpc2.com) | |
41 | * @version $Id$ | |
42 | * @since 1.0 | |
43 | */ | |
44 | @Immutable | |
45 | @SuppressWarnings("unchecked") | |
46 | public interface ArrayComparator<T> extends Comparator<T> { | |
47 | ||
48 | /** | |
49 | * Default comparator. | |
50 | * @param <T> Type of argument | |
51 | */ | |
52 | @Immutable | |
53 | 4 | final class Default<T> implements ArrayComparator<T>, Serializable { |
54 | /** | |
55 | * Serialization marker. | |
56 | */ | |
57 | private static final long serialVersionUID = 0x54ef44fb3ef2efa3L; | |
58 | @Override | |
59 | public String toString() { | |
60 | 0 | return "DEFAULT"; |
61 | } | |
62 | @Override | |
63 | public int compare(final T left, final T right) { | |
64 | 27 | return ((Comparable<T>) left).compareTo(right); |
65 | } | |
66 | } | |
67 | ||
68 | /** | |
69 | * Neutral comparator (never compares). | |
70 | * @param <T> Type of argument | |
71 | */ | |
72 | @Immutable | |
73 | 0 | final class Neutral<T> implements ArrayComparator<T>, Serializable { |
74 | /** | |
75 | * Serialization marker. | |
76 | */ | |
77 | private static final long serialVersionUID = 0x54ef489b3ef2eca3L; | |
78 | @Override | |
79 | public String toString() { | |
80 | 0 | return "NEUTRAL"; |
81 | } | |
82 | @Override | |
83 | public int compare(final T left, final T right) { | |
84 | 0 | return 1; |
85 | } | |
86 | } | |
87 | ||
88 | /** | |
89 | * Reverse comparator. | |
90 | * @param <T> Type of argument | |
91 | */ | |
92 | @Immutable | |
93 | 0 | final class Reverse<T> implements ArrayComparator<T>, Serializable { |
94 | /** | |
95 | * Serialization marker. | |
96 | */ | |
97 | private static final long serialVersionUID = 0x545f489d3ed2eca3L; | |
98 | @Override | |
99 | public String toString() { | |
100 | 0 | return "REVERSE"; |
101 | } | |
102 | @Override | |
103 | public int compare(final T left, final T right) { | |
104 | 0 | return ((Comparable<T>) right).compareTo(left); |
105 | } | |
106 | } | |
107 | ||
108 | } |