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Collections:
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commons-collections4-4.4-sources.jar - Apache Commons Collections
commons-collections4-4.4-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-collections4-4.4-sources.jar Target JDK version: 8 Dependency: None File size: 715,541 bytes Release date: 05-Jul-2019 Download: Apache Commons Collections
✍: FYIcenter.com
⏎ org/apache/commons/collections4/queue/UnmodifiableQueue.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.queue; import java.io.IOException; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.util.Collection; import java.util.Iterator; import java.util.Queue; import java.util.function.Predicate; import org.apache.commons.collections4.Unmodifiable; import org.apache.commons.collections4.iterators.UnmodifiableIterator; /** * Decorates another {@link Queue} to ensure it can't be altered. * <p> * Attempts to modify it will result in an UnsupportedOperationException. * </p> * * @param <E> the type of elements held in this queue * @since 4.0 */ public final class UnmodifiableQueue<E> extends AbstractQueueDecorator<E> implements Unmodifiable { /** Serialization version */ private static final long serialVersionUID = 1832948656215393357L; /** * Factory method to create an unmodifiable queue. * <p> * If the queue passed in is already unmodifiable, it is returned. * * @param <E> the type of the elements in the queue * @param queue the queue to decorate, must not be null * @return an unmodifiable Queue * @throws NullPointerException if queue is null */ public static <E> Queue<E> unmodifiableQueue(final Queue<? extends E> queue) { if (queue instanceof Unmodifiable) { @SuppressWarnings("unchecked") // safe to upcast final Queue<E> tmpQueue = (Queue<E>) queue; return tmpQueue; } return new UnmodifiableQueue<>(queue); } //----------------------------------------------------------------------- /** * Constructor that wraps (not copies). * * @param queue the queue to decorate, must not be null * @throws NullPointerException if queue is null */ @SuppressWarnings("unchecked") // safe to upcast private UnmodifiableQueue(final Queue<? extends E> queue) { super((Queue<E>) queue); } //----------------------------------------------------------------------- /** * Write the collection out using a custom routine. * * @param out the output stream * @throws IOException if an I/O error occurs while writing to the output stream */ private void writeObject(final ObjectOutputStream out) throws IOException { out.defaultWriteObject(); out.writeObject(decorated()); } /** * Read the collection in using a custom routine. * * @param in the input stream * @throws IOException if an I/O error occurs while reading from the input stream * @throws ClassNotFoundException if the class of a serialized object can not be found */ @SuppressWarnings("unchecked") private void readObject(final ObjectInputStream in) throws IOException, ClassNotFoundException { in.defaultReadObject(); setCollection((Collection<E>) in.readObject()); } //----------------------------------------------------------------------- @Override public Iterator<E> iterator() { return UnmodifiableIterator.unmodifiableIterator(decorated().iterator()); } @Override public boolean add(final Object object) { throw new UnsupportedOperationException(); } @Override public boolean addAll(final Collection<? extends E> coll) { throw new UnsupportedOperationException(); } @Override public void clear() { throw new UnsupportedOperationException(); } @Override public boolean remove(final Object object) { throw new UnsupportedOperationException(); } /** * @since 4.4 */ @Override public boolean removeIf(Predicate<? super E> filter) { throw new UnsupportedOperationException(); } @Override public boolean removeAll(final Collection<?> coll) { throw new UnsupportedOperationException(); } @Override public boolean retainAll(final Collection<?> coll) { throw new UnsupportedOperationException(); } //----------------------------------------------------------------------- @Override public boolean offer(final E obj) { throw new UnsupportedOperationException(); } @Override public E poll() { throw new UnsupportedOperationException(); } @Override public E remove() { throw new UnsupportedOperationException(); } }
⏎ org/apache/commons/collections4/queue/UnmodifiableQueue.java
Or download all of them as a single archive file:
File name: commons-collections4-4.4-sources.jar File size: 715541 bytes Release date: 2019-07-05 Download
⇒ Download and Install commons-collections4-4.2-bin.zip
⇐ What Is commons-collections4-4.4.jar
2020-12-15, 100332👍, 0💬
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