/* * Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ import java.util.*; /** * A complete Deque implementation that inherits the reversed() method * from SequencedCollection. Useful for testing ReverseOrderDequeView. * Underlying implementation provided by ArrayDeque. */ public class SimpleDeque implements Deque { final Deque deque; public SimpleDeque() { deque = new ArrayDeque<>(); } public SimpleDeque(Collection c) { deque = new ArrayDeque<>(c); } // ========== Object ========== public boolean equals(Object o) { return deque.equals(o); } public int hashCode() { return deque.hashCode(); } public String toString() { return deque.toString(); } // ========== Collection ========== public boolean add(E e) { return deque.add(e); } public boolean addAll(Collection c) { return deque.addAll(c); } public void clear() { deque.clear(); } public boolean contains(Object o) { return deque.contains(o); } public boolean containsAll(Collection c) { return deque.containsAll(c); } public boolean isEmpty() { return deque.isEmpty(); } public Iterator iterator() { return deque.iterator(); } public boolean remove(Object o) { return deque.remove(o); } public boolean removeAll(Collection c) { return deque.removeAll(c); } public boolean retainAll(Collection c) { return deque.retainAll(c); } public int size() { return deque.size(); } public Object[] toArray() { return deque.toArray(); } public T[] toArray(T[] a) { return deque.toArray(a); } // ========== Deque ========== public void addFirst(E e) { deque.addFirst(e); } public void addLast(E e) { deque.addLast(e); } public boolean offerFirst(E e) { return deque.offerFirst(e); } public boolean offerLast(E e) { return deque.offerLast(e); } public E removeFirst() { return deque.removeFirst(); } public E removeLast() { return deque.removeLast(); } public E pollFirst() { return deque.pollFirst(); } public E pollLast() { return deque.pollLast(); } public E getFirst() { return deque.getFirst(); } public E getLast() { return deque.getLast(); } public E peekFirst() { return deque.peekFirst(); } public E peekLast() { return deque.peekLast(); } public boolean removeFirstOccurrence(Object o) { return deque.removeFirstOccurrence(o); } public boolean removeLastOccurrence(Object o) { return deque.removeLastOccurrence(o); } public boolean offer(E e) { return deque.offer(e); } public E remove() { return deque.remove(); } public E poll() { return deque.poll(); } public E element() { return deque.element(); } public E peek() { return deque.peek(); } public void push(E e) { deque.push(e); } public E pop() { return deque.pop(); } public Iterator descendingIterator() { return deque.descendingIterator(); } }