| /* |
| * Copyright 2008 Google Inc. |
| * |
| * Licensed 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 java.util; |
| |
| import static javaemul.internal.Coercions.ensureInt; |
| |
| import java.io.Serializable; |
| |
| /** |
| * Implementation of Map interface based on a hash table. <a |
| * href="http://java.sun.com/j2se/1.5.0/docs/api/java/util/HashMap.html">[Sun |
| * docs]</a> |
| * |
| * @param <K> key type |
| * @param <V> value type |
| */ |
| public class HashMap<K, V> extends AbstractHashMap<K, V> implements Cloneable, |
| Serializable { |
| |
| /** |
| * Ensures that RPC will consider type parameter K to be exposed. It will be |
| * pruned by dead code elimination. |
| */ |
| @SuppressWarnings("unused") |
| private K exposeKey; |
| |
| /** |
| * Ensures that RPC will consider type parameter V to be exposed. It will be |
| * pruned by dead code elimination. |
| */ |
| @SuppressWarnings("unused") |
| private V exposeValue; |
| |
| public HashMap() { |
| } |
| |
| public HashMap(int ignored) { |
| super(ignored); |
| } |
| |
| public HashMap(int ignored, float alsoIgnored) { |
| super(ignored, alsoIgnored); |
| } |
| |
| public HashMap(Map<? extends K, ? extends V> toBeCopied) { |
| super(toBeCopied); |
| } |
| |
| public Object clone() { |
| return new HashMap<K, V>(this); |
| } |
| |
| @Override |
| boolean equals(Object value1, Object value2) { |
| return Objects.equals(value1, value2); |
| } |
| |
| @Override |
| int getHashCode(Object key) { |
| int hashCode = key.hashCode(); |
| // Coerce to int -- our classes all do this, but a user-written class might not. |
| return ensureInt(hashCode); |
| } |
| } |