/*
 * 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;

/**
 * A {@link Map.Entry} shared by several {@link Map} implementations.
 */
class MapEntryImpl<K, V> extends AbstractMapEntry<K, V> {

  private K key;

  private V value;

  /**
   * Constructor for <code>MapEntryImpl</code>.
   */
  public MapEntryImpl(K key, V value) {
    this.key = key;
    this.value = value;
  }

  public K getKey() {
    return key;
  }

  public V getValue() {
    return value;
  }

  public V setValue(V value) {
    V old = getValue();
    this.value = value;
    return old;
  }
}