Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
Or |
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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.composite; | |
18 | ||
19 | import org.apache.commons.functor.Predicate; | |
20 | ||
21 | /** | |
22 | * {@link #test Tests} <code>true</code> iff | |
23 | * at least one of its children test <code>true</code>. | |
24 | * Note that by this definition, the "or" of | |
25 | * an empty collection of predicates tests <code>false</code>. | |
26 | * <p> | |
27 | * Note that although this class implements | |
28 | * {@link java.io.Serializable Serializable}, a given instance will | |
29 | * only be truly <code>Serializable</code> if all the | |
30 | * underlying functors are. Attempts to serialize | |
31 | * an instance whose delegates are not all | |
32 | * <code>Serializable</code> will result in an exception. | |
33 | * </p> | |
34 | * @version $Revision: 1156320 $ $Date: 2011-08-10 21:14:50 +0200 (Wed, 10 Aug 2011) $ | |
35 | * @author Rodney Waldhoff | |
36 | */ | |
37 | public final class Or extends BasePredicateList { | |
38 | ||
39 | /** | |
40 | * serialVersionUID declaration. | |
41 | */ | |
42 | private static final long serialVersionUID = -1636233158061690073L; | |
43 | ||
44 | // constructor | |
45 | // ------------------------------------------------------------------------ | |
46 | /** | |
47 | * Create a new Or. | |
48 | */ | |
49 | public Or() { | |
50 | 6 | super(); |
51 | 6 | } |
52 | ||
53 | /** | |
54 | * Create a new Or instance. | |
55 | * | |
56 | * @param predicates | |
57 | */ | |
58 | public Or(Iterable<Predicate> predicates) { | |
59 | 0 | super(predicates); |
60 | 0 | } |
61 | ||
62 | /** | |
63 | * Create a new Or instance. | |
64 | * | |
65 | * @param predicates | |
66 | */ | |
67 | public Or(Predicate... predicates) { | |
68 | 52 | super(predicates); |
69 | 52 | } |
70 | ||
71 | /** | |
72 | * Fluently add a Predicate. | |
73 | * @param p Predicate to add | |
74 | * @return this | |
75 | */ | |
76 | public Or or(Predicate p) { | |
77 | 124 | super.addPredicate(p); |
78 | 124 | return this; |
79 | } | |
80 | ||
81 | // predicate interface | |
82 | // ------------------------------------------------------------------------ | |
83 | /** | |
84 | * {@inheritDoc} | |
85 | */ | |
86 | public boolean test() { | |
87 | 134 | for (Predicate p : getPredicateList()) { |
88 | 406 | if (p.test()) { |
89 | 76 | return true; |
90 | } | |
91 | } | |
92 | 58 | return false; |
93 | } | |
94 | ||
95 | /** | |
96 | * {@inheritDoc} | |
97 | */ | |
98 | public boolean equals(Object that) { | |
99 | 140 | return that == this || (that instanceof Or && equals((Or) that)); |
100 | } | |
101 | ||
102 | /** | |
103 | * Learn whether another Or is equal to this. | |
104 | * @param that Or to test | |
105 | * @return boolean | |
106 | */ | |
107 | public boolean equals(Or that) { | |
108 | 118 | return getPredicateListEquals(that); |
109 | } | |
110 | ||
111 | /** | |
112 | * {@inheritDoc} | |
113 | */ | |
114 | public int hashCode() { | |
115 | 190 | return "Or".hashCode() ^ getPredicateListHashCode(); |
116 | } | |
117 | ||
118 | /** | |
119 | * {@inheritDoc} | |
120 | */ | |
121 | public String toString() { | |
122 | 182 | return "Or<" + getPredicateListToString() + ">"; |
123 | } | |
124 | ||
125 | } |