| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| LongCollection |
|
| 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.collections.primitives; | |
| 18 | ||
| 19 | /** | |
| 20 | * A collection of <code>long</code> values. | |
| 21 | * | |
| 22 | * @see org.apache.commons.collections.primitives.adapters.LongCollectionCollection | |
| 23 | * @see org.apache.commons.collections.primitives.adapters.CollectionLongCollection | |
| 24 | * | |
| 25 | * @since Commons Primitives 1.0 | |
| 26 | * @version $Revision: 480460 $ $Date: 2006-11-29 03:14:21 -0500 (Wed, 29 Nov 2006) $ | |
| 27 | * | |
| 28 | * @author Rodney Waldhoff | |
| 29 | */ | |
| 30 | public interface LongCollection { | |
| 31 | /** | |
| 32 | * Ensures that I contain the specified element | |
| 33 | * (optional operation). Returns <code>true</code> | |
| 34 | * iff I changed as a result of this call. | |
| 35 | * <p/> | |
| 36 | * If a collection refuses to add the specified | |
| 37 | * element for any reason other than that it already contains | |
| 38 | * the element, it <i>must</i> throw an exception (rather than | |
| 39 | * simply returning <tt>false</tt>). This preserves the invariant | |
| 40 | * that a collection always contains the specified element after | |
| 41 | * this call returns. | |
| 42 | * | |
| 43 | * @param element the value whose presence within me is to be ensured | |
| 44 | * @return <code>true</code> iff I changed as a result of this call | |
| 45 | * | |
| 46 | * @throws UnsupportedOperationException when this operation is not | |
| 47 | * supported | |
| 48 | * @throws IllegalArgumentException may be thrown if some aspect of the | |
| 49 | * specified element prevents it from being added to me | |
| 50 | */ | |
| 51 | boolean add(long element); | |
| 52 | ||
| 53 | /** | |
| 54 | * {@link #add Adds} all of the elements in the | |
| 55 | * specified collection to me (optional operation). | |
| 56 | * | |
| 57 | * @param c the collection of elements whose presence within me is to | |
| 58 | * be ensured | |
| 59 | * @return <code>true</code> iff I changed as a result of this call | |
| 60 | * | |
| 61 | * @throws UnsupportedOperationException when this operation is not | |
| 62 | * supported | |
| 63 | * @throws IllegalArgumentException may be thrown if some aspect of some | |
| 64 | * specified element prevents it from being added to me | |
| 65 | */ | |
| 66 | boolean addAll(LongCollection c); | |
| 67 | ||
| 68 | /** | |
| 69 | * Removes all my elements (optional operation). | |
| 70 | * I will be {@link #isEmpty empty} after this | |
| 71 | * method successfully returns. | |
| 72 | * | |
| 73 | * @throws UnsupportedOperationException when this operation is not | |
| 74 | * supported | |
| 75 | */ | |
| 76 | void clear(); | |
| 77 | ||
| 78 | /** | |
| 79 | * Returns <code>true</code> iff I contain | |
| 80 | * the specified element. | |
| 81 | * | |
| 82 | * @param element the value whose presence within me is to be tested | |
| 83 | * @return <code>true</code> iff I contain the specified element | |
| 84 | */ | |
| 85 | boolean contains(long element); | |
| 86 | ||
| 87 | /** | |
| 88 | * Returns <code>true</code> iff I {@link #contains contain} | |
| 89 | * all of the elements in the given collection. | |
| 90 | * | |
| 91 | * @param c the collection of elements whose presence within me is to | |
| 92 | * be tested | |
| 93 | * @return <code>true</code> iff I contain the all the specified elements | |
| 94 | */ | |
| 95 | boolean containsAll(LongCollection c); | |
| 96 | ||
| 97 | /** | |
| 98 | * Returns <code>true</code> iff I contain no elements. | |
| 99 | * @return <code>true</code> iff I contain no elements. | |
| 100 | */ | |
| 101 | boolean isEmpty(); | |
| 102 | ||
| 103 | /** | |
| 104 | * Returns an {@link LongIterator iterator} over all my elements. | |
| 105 | * This base interface places no constraints on the order | |
| 106 | * in which the elements are returned by the returned iterator. | |
| 107 | * @return an {@link LongIterator iterator} over all my elements. | |
| 108 | */ | |
| 109 | LongIterator iterator(); | |
| 110 | ||
| 111 | /** | |
| 112 | * Removes all of my elements that are contained in the | |
| 113 | * specified collection (optional operation). | |
| 114 | * The behavior of this method is unspecified if | |
| 115 | * the given collection is modified while this method | |
| 116 | * is executing. Note that this includes the case | |
| 117 | * in which the given collection is this collection, | |
| 118 | * and it is not empty. | |
| 119 | * | |
| 120 | * @param c the collection of elements to remove | |
| 121 | * @return <code>true</code> iff I contained the at least one of the | |
| 122 | * specified elements, in other words, returns <code>true</code> | |
| 123 | * iff I changed as a result of this call | |
| 124 | * | |
| 125 | * @throws UnsupportedOperationException when this operation is not | |
| 126 | * supported | |
| 127 | */ | |
| 128 | boolean removeAll(LongCollection c); | |
| 129 | ||
| 130 | /** | |
| 131 | * Removes a single occurrence of the specified element | |
| 132 | * (optional operation). | |
| 133 | * | |
| 134 | * @param element the element to remove, if present | |
| 135 | * @return <code>true</code> iff I contained the specified element, | |
| 136 | * in other words, iff I changed as a result of this call | |
| 137 | * | |
| 138 | * @throws UnsupportedOperationException when this operation is not | |
| 139 | * supported | |
| 140 | */ | |
| 141 | boolean removeElement(long element); | |
| 142 | ||
| 143 | /** | |
| 144 | * Removes all of my elements that are <i>not</i> contained in the | |
| 145 | * specified collection (optional operation). | |
| 146 | * (In other words, retains <i>only</i> my elements that are | |
| 147 | * contained in the specified collection.) | |
| 148 | * The behavior of this method is unspecified if | |
| 149 | * the given collection is modified while this method | |
| 150 | * is executing. | |
| 151 | * | |
| 152 | * @param c the collection of elements to retain | |
| 153 | * @return <code>true</code> iff I changed as a result | |
| 154 | * of this call | |
| 155 | * | |
| 156 | * @throws UnsupportedOperationException when this operation is not | |
| 157 | * supported | |
| 158 | */ | |
| 159 | boolean retainAll(LongCollection c); | |
| 160 | ||
| 161 | /** | |
| 162 | * Returns the number of elements I contain. | |
| 163 | * @return the number of elements I contain | |
| 164 | */ | |
| 165 | int size(); | |
| 166 | ||
| 167 | /** | |
| 168 | * Returns an array containing all of my elements. | |
| 169 | * The length of the returned array will be equal | |
| 170 | * to my {@link #size size}. | |
| 171 | * <p/> | |
| 172 | * The returned array will be independent of me, | |
| 173 | * so that callers may modify that | |
| 174 | * returned array without modifying this collection. | |
| 175 | * <p/> | |
| 176 | * When I guarantee the order in which | |
| 177 | * elements are returned by an {@link #iterator iterator}, | |
| 178 | * the returned array will contain elements in the | |
| 179 | * same order. | |
| 180 | * | |
| 181 | * @return an array containing all my elements | |
| 182 | */ | |
| 183 | long[] toArray(); | |
| 184 | ||
| 185 | /** | |
| 186 | * Returns an array containing all of my elements, | |
| 187 | * using the given array if it is large | |
| 188 | * enough. When the length of the given array is | |
| 189 | * larger than the number of elements I contain, | |
| 190 | * values outside of my range will be unchanged. | |
| 191 | * <p/> | |
| 192 | * The returned array will be independent of me, | |
| 193 | * so that callers may modify that | |
| 194 | * returned array without modifying this collection. | |
| 195 | * <p/> | |
| 196 | * When I guarantee the order in which | |
| 197 | * elements are returned by an {@link #iterator iterator}, | |
| 198 | * the returned array will contain elements in the | |
| 199 | * same order. | |
| 200 | * | |
| 201 | * @param a an array that may be used to contain the elements | |
| 202 | * @return an array containing all my elements | |
| 203 | */ | |
| 204 | long[] toArray(long[] a); | |
| 205 | } |