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commons-collections4-4.2-sources.jar - Apache Commons Collections
commons-collections4-4.2-sources.jar is the source JAR file for Apache Commons Collections 4.2, which provides additional collection handling functionalities on top of JDK library.
JAR File Size and Download Location:
JAR name: commons-collections4-4.2-sources.jar Target JDK version: 1.7 Dependency: None File size: 708,599 bytes Release date: 08-Jul-2018 Download: Apache Commons Collections
✍: FYIcenter.com
⏎ org/apache/commons/collections4/multimap/ArrayListValuedHashMap.java
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.commons.collections4.multimap; import java.io.IOException; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.io.Serializable; import java.util.ArrayList; import java.util.Collection; import java.util.HashMap; import java.util.Map; import org.apache.commons.collections4.MultiValuedMap; /** * Implements a {@code ListValuedMap}, using a {@link HashMap} to provide data * storage and {@link ArrayList}s as value collections. This is the standard * implementation of a ListValuedMap. * <p> * <strong>Note that ArrayListValuedHashMap is not synchronized and is not * thread-safe.</strong> If you wish to use this map from multiple threads * concurrently, you must use appropriate synchronization. This class may throw * exceptions when accessed by concurrent threads without synchronization. * * @param <K> the type of the keys in this map * @param <V> the type of the values in this map * @since 4.1 */ public class ArrayListValuedHashMap<K, V> extends AbstractListValuedMap<K, V> implements Serializable { /** Serialization Version */ private static final long serialVersionUID = 20151118L; /** * The initial map capacity used when none specified in constructor. */ private static final int DEFAULT_INITIAL_MAP_CAPACITY = 16; /** * The initial list capacity when using none specified in constructor. */ private static final int DEFAULT_INITIAL_LIST_CAPACITY = 3; /** * The initial list capacity when creating a new value collection. */ private final int initialListCapacity; /** * Creates an empty ArrayListValuedHashMap with the default initial * map capacity (16) and the default initial list capacity (3). */ public ArrayListValuedHashMap() { this(DEFAULT_INITIAL_MAP_CAPACITY, DEFAULT_INITIAL_LIST_CAPACITY); } /** * Creates an empty ArrayListValuedHashMap with the default initial * map capacity (16) and the specified initial list capacity. * * @param initialListCapacity the initial capacity used for value collections */ public ArrayListValuedHashMap(final int initialListCapacity) { this(DEFAULT_INITIAL_MAP_CAPACITY, initialListCapacity); } /** * Creates an empty ArrayListValuedHashMap with the specified initial * map and list capacities. * * @param initialMapCapacity the initial hashmap capacity * @param initialListCapacity the initial capacity used for value collections */ public ArrayListValuedHashMap(final int initialMapCapacity, final int initialListCapacity) { super(new HashMap<K, ArrayList<V>>(initialMapCapacity)); this.initialListCapacity = initialListCapacity; } /** * Creates an ArrayListValuedHashMap copying all the mappings of the given map. * * @param map a <code>MultiValuedMap</code> to copy into this map */ public ArrayListValuedHashMap(final MultiValuedMap<? extends K, ? extends V> map) { this(map.size(), DEFAULT_INITIAL_LIST_CAPACITY); super.putAll(map); } /** * Creates an ArrayListValuedHashMap copying all the mappings of the given map. * * @param map a <code>Map</code> to copy into this map */ public ArrayListValuedHashMap(final Map<? extends K, ? extends V> map) { this(map.size(), DEFAULT_INITIAL_LIST_CAPACITY); super.putAll(map); } // ----------------------------------------------------------------------- @Override protected ArrayList<V> createCollection() { return new ArrayList<>(initialListCapacity); } // ----------------------------------------------------------------------- /** * Trims the capacity of all value collections to their current size. */ public void trimToSize() { for (final Collection<V> coll : getMap().values()) { final ArrayList<V> list = (ArrayList<V>) coll; list.trimToSize(); } } // ----------------------------------------------------------------------- private void writeObject(final ObjectOutputStream oos) throws IOException { oos.defaultWriteObject(); doWriteObject(oos); } private void readObject(final ObjectInputStream ois) throws IOException, ClassNotFoundException { ois.defaultReadObject(); setMap(new HashMap<K, ArrayList<V>>()); doReadObject(ois); } }
⏎ org/apache/commons/collections4/multimap/ArrayListValuedHashMap.java
Or download all of them as a single archive file:
File name: commons-collections4-4.2-sources.jar File size: 708599 bytes Release date: 2018-07-08 Download
⇒ Download and Install commons-collections4-4.1-bin.zip
⇐ What Is commons-collections4-4.2.jar
2023-03-28, 29510👍, 0💬
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