Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
BaseUnaryPredicateList |
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| 1.6363636363636365;1.636 |
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 java.io.Serializable; | |
20 | import java.util.ArrayList; | |
21 | import java.util.List; | |
22 | ||
23 | import org.apache.commons.functor.UnaryPredicate; | |
24 | ||
25 | /** | |
26 | * Abstract base class for {@link UnaryPredicate UnaryPredicates} | |
27 | * composed of a list of {@link UnaryPredicate UnaryPredicates}. | |
28 | * <p> | |
29 | * Note that although this class implements | |
30 | * {@link Serializable}, a given instance will | |
31 | * only be truly <code>Serializable</code> if all the | |
32 | * underlying functors are. Attempts to serialize | |
33 | * an instance whose delegates are not all | |
34 | * <code>Serializable</code> will result in an exception. | |
35 | * </p> | |
36 | * @version $Revision: 1156320 $ $Date: 2011-08-10 21:14:50 +0200 (Wed, 10 Aug 2011) $ | |
37 | * @author Rodney Waldhoff | |
38 | */ | |
39 | abstract class BaseUnaryPredicateList<A> implements UnaryPredicate<A>, Serializable { | |
40 | ||
41 | /** | |
42 | * serialVersionUID declaration. | |
43 | */ | |
44 | private static final long serialVersionUID = 1467575113401282954L; | |
45 | // attributes | |
46 | // ------------------------------------------------------------------------ | |
47 | 134 | private final List<UnaryPredicate<? super A>> list = new ArrayList<UnaryPredicate<? super A>>(); |
48 | ||
49 | // constructor | |
50 | // ------------------------------------------------------------------------ | |
51 | /** | |
52 | * Create a new BaseUnaryPredicateList. | |
53 | */ | |
54 | protected BaseUnaryPredicateList() { | |
55 | 134 | super(); |
56 | 134 | } |
57 | ||
58 | /** | |
59 | * Create a new BaseUnaryPredicateList instance. | |
60 | * | |
61 | * @param predicates to add | |
62 | */ | |
63 | protected BaseUnaryPredicateList(UnaryPredicate<? super A>... predicates) { | |
64 | 102 | this(); |
65 | 102 | if (predicates != null) { |
66 | 290 | for (UnaryPredicate<? super A> p : predicates) { |
67 | 188 | addUnaryPredicate(p); |
68 | } | |
69 | } | |
70 | 102 | } |
71 | ||
72 | /** | |
73 | * Create a new BaseUnaryPredicateList instance. | |
74 | * | |
75 | * @param predicates to add | |
76 | */ | |
77 | protected BaseUnaryPredicateList(Iterable<UnaryPredicate<? super A>> predicates) { | |
78 | 0 | this(); |
79 | 0 | if (predicates != null) { |
80 | 0 | for (UnaryPredicate<? super A> p : predicates) { |
81 | 0 | addUnaryPredicate(p); |
82 | } | |
83 | } | |
84 | 0 | } |
85 | ||
86 | // abstract | |
87 | // ------------------------------------------------------------------------ | |
88 | /** | |
89 | * {@inheritDoc} | |
90 | */ | |
91 | public abstract boolean equals(Object that); | |
92 | ||
93 | /** | |
94 | * {@inheritDoc} | |
95 | */ | |
96 | public abstract int hashCode(); | |
97 | ||
98 | /** | |
99 | * {@inheritDoc} | |
100 | */ | |
101 | public abstract String toString(); | |
102 | ||
103 | // modifiers | |
104 | // ------------------------------------------------------------------------ | |
105 | /** | |
106 | * Add a UnaryPredicate to the list | |
107 | * @param p UnaryPredicate to add | |
108 | */ | |
109 | protected void addUnaryPredicate(UnaryPredicate<? super A> p) { | |
110 | 466 | if (p == null) { |
111 | 0 | throw new IllegalArgumentException("Cannot add null UnaryPredicate"); |
112 | } | |
113 | 466 | list.add(p); |
114 | 466 | } |
115 | ||
116 | // protected | |
117 | // ------------------------------------------------------------------------ | |
118 | ||
119 | /** | |
120 | * Get the "live" list of contained {@link UnaryPredicate}s. | |
121 | * @return List | |
122 | */ | |
123 | protected List<UnaryPredicate<? super A>> getUnaryPredicateList() { | |
124 | 450 | return list; |
125 | } | |
126 | ||
127 | /** | |
128 | * Learn whether another BaseUnaryPredicateList has content equal to this | |
129 | * @param that the BaseUnaryPredicateList to test | |
130 | * @return boolean | |
131 | */ | |
132 | protected boolean getUnaryPredicateListEquals(BaseUnaryPredicateList<?> that) { | |
133 | 236 | return (null != that && this.list.equals(that.list)); |
134 | } | |
135 | ||
136 | /** | |
137 | * Get a hashCode for the list. | |
138 | * @return int | |
139 | */ | |
140 | protected int getUnaryPredicateListHashCode() { | |
141 | 344 | return list.hashCode(); |
142 | } | |
143 | ||
144 | /** | |
145 | * Get a toString for the list. | |
146 | * @return String | |
147 | */ | |
148 | protected String getUnaryPredicateListToString() { | |
149 | 328 | return String.valueOf(list); |
150 | } | |
151 | ||
152 | } |