/* * 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 SortedMap implementation that does not implement NavigableMap. Useful for * testing ReverseOrderSortedMapView. Underlying implementation provided by TreeMap. */ public class SimpleSortedMap implements SortedMap { final SortedMap map; public SimpleSortedMap() { map = new TreeMap<>(); } public SimpleSortedMap(Comparator comparator) { map = new TreeMap<>(comparator); } public SimpleSortedMap(Map m) { map = new TreeMap<>(m); } // ========== Object ========== public boolean equals(Object o) { return map.equals(o); } public int hashCode() { return map.hashCode(); } public String toString() { return map.toString(); } // ========== Map ========== public void clear() { map.clear(); } public boolean containsKey(Object key) { return map.containsKey(key); } public boolean containsValue(Object value) { return map.containsValue(value); } public Set> entrySet() { return map.entrySet(); } public V get(Object key) { return map.get(key); } public boolean isEmpty() { return map.isEmpty(); } public Set keySet() { return map.keySet(); } public V put(K key, V value) { return map.put(key, value); } public void putAll(Map m) { map.putAll(m); } public V remove(Object key) { return map.remove(key); } public int size() { return map.size(); } public Collection values() { return map.values(); } // ========== SortedMap ========== public Comparator comparator() { return map.comparator(); } public K firstKey() { return map.firstKey(); } public SortedMap headMap(K toKey) { return map.headMap(toKey); } public K lastKey() { return map.lastKey(); } public SortedMap subMap(K fromKey, K toKey) { return map.subMap(fromKey, toKey); } public SortedMap tailMap(K fromKey) { return map.tailMap(fromKey); } }