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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/map/FixedSizeSortedMap.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.map; import java.io.IOException; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.io.Serializable; import java.util.Collection; import java.util.Map; import java.util.Set; import java.util.SortedMap; import org.apache.commons.collections4.BoundedMap; import org.apache.commons.collections4.CollectionUtils; import org.apache.commons.collections4.collection.UnmodifiableCollection; import org.apache.commons.collections4.set.UnmodifiableSet; /** * Decorates another <code>SortedMap</code> to fix the size blocking add/remove. * <p> * Any action that would change the size of the map is disallowed. * The put method is allowed to change the value associated with an existing * key however. * <p> * If trying to remove or clear the map, an UnsupportedOperationException is * thrown. If trying to put a new mapping into the map, an * IllegalArgumentException is thrown. This is because the put method can * succeed if the mapping's key already exists in the map, so the put method * is not always unsupported. * <p> * <strong>Note that FixedSizeSortedMap 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. The simplest approach is to wrap this map * using {@link java.util.Collections#synchronizedSortedMap}. This class may throw * exceptions when accessed by concurrent threads without synchronization. * <p> * This class is Serializable from Commons Collections 3.1. * * @param <K> the type of the keys in this map * @param <V> the type of the values in this map * @since 3.0 */ public class FixedSizeSortedMap<K, V> extends AbstractSortedMapDecorator<K, V> implements BoundedMap<K, V>, Serializable { /** Serialization version */ private static final long serialVersionUID = 3126019624511683653L; /** * Factory method to create a fixed size sorted map. * * @param <K> the key type * @param <V> the value type * @param map the map to decorate, must not be null * @return a new fixed size sorted map * @throws NullPointerException if map is null * @since 4.0 */ public static <K, V> FixedSizeSortedMap<K, V> fixedSizeSortedMap(final SortedMap<K, V> map) { return new FixedSizeSortedMap<>(map); } //----------------------------------------------------------------------- /** * Constructor that wraps (not copies). * * @param map the map to decorate, must not be null * @throws NullPointerException if map is null */ protected FixedSizeSortedMap(final SortedMap<K, V> map) { super(map); } /** * Gets the map being decorated. * * @return the decorated map */ protected SortedMap<K, V> getSortedMap() { return (SortedMap<K, V>) map; } //----------------------------------------------------------------------- /** * Write the map out using a custom routine. * * @param out the output stream * @throws IOException if an error occurs while writing to the stream */ private void writeObject(final ObjectOutputStream out) throws IOException { out.defaultWriteObject(); out.writeObject(map); } /** * Read the map in using a custom routine. * * @param in the input stream * @throws IOException if an error occurs while reading from the stream * @throws ClassNotFoundException if an object read from the stream can not be loaded */ @SuppressWarnings("unchecked") // (1) should only fail if input stream is incorrect private void readObject(final ObjectInputStream in) throws IOException, ClassNotFoundException { in.defaultReadObject(); map = (Map<K, V>) in.readObject(); // (1) } //----------------------------------------------------------------------- @Override public V put(final K key, final V value) { if (map.containsKey(key) == false) { throw new IllegalArgumentException("Cannot put new key/value pair - Map is fixed size"); } return map.put(key, value); } @Override public void putAll(final Map<? extends K, ? extends V> mapToCopy) { if (CollectionUtils.isSubCollection(mapToCopy.keySet(), keySet())) { throw new IllegalArgumentException("Cannot put new key/value pair - Map is fixed size"); } map.putAll(mapToCopy); } @Override public void clear() { throw new UnsupportedOperationException("Map is fixed size"); } @Override public V remove(final Object key) { throw new UnsupportedOperationException("Map is fixed size"); } @Override public Set<Map.Entry<K, V>> entrySet() { return UnmodifiableSet.unmodifiableSet(map.entrySet()); } @Override public Set<K> keySet() { return UnmodifiableSet.unmodifiableSet(map.keySet()); } @Override public Collection<V> values() { return UnmodifiableCollection.unmodifiableCollection(map.values()); } //----------------------------------------------------------------------- @Override public SortedMap<K, V> subMap(final K fromKey, final K toKey) { return new FixedSizeSortedMap<>(getSortedMap().subMap(fromKey, toKey)); } @Override public SortedMap<K, V> headMap(final K toKey) { return new FixedSizeSortedMap<>(getSortedMap().headMap(toKey)); } @Override public SortedMap<K, V> tailMap(final K fromKey) { return new FixedSizeSortedMap<>(getSortedMap().tailMap(fromKey)); } @Override public boolean isFull() { return true; } @Override public int maxSize() { return size(); } }
⏎ org/apache/commons/collections4/map/FixedSizeSortedMap.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, 27608👍, 0💬
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