1 /* 2 * Copyright (C) 2009 Google Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package java.util.concurrent; 18 19 import java.util.Map; 20 21 /** 22 * Minimal GWT emulation of a map providing atomic operations. 23 * 24 * @author Jesse Wilson 25 */ 26 public interface ConcurrentMap<K, V> extends Map<K, V> { 27 28 V putIfAbsent(K key, V value); 29 30 boolean remove(Object key, Object value); 31 32 V replace(K key, V value); 33 34 boolean replace(K key, V oldValue, V newValue); 35 } 36
