    001/*
    002 * Licensed to the Apache Software Foundation (ASF) under one or more
    003 * contributor license agreements.  See the NOTICE file distributed with
    004 * this work for additional information regarding copyright ownership.
    005 * The ASF licenses this file to You under the Apache License, Version 2.0
    006 * (the "License"); you may not use this file except in compliance with
    007 * the License.  You may obtain a copy of the License at
    008 *
    009 *      http://www.apache.org/licenses/LICENSE-2.0
    010 *
    011 * Unless required by applicable law or agreed to in writing, software
    012 * distributed under the License is distributed on an "AS IS" BASIS,
    013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    014 * See the License for the specific language governing permissions and
    015 * limitations under the License.
    016 */
    017package org.apache.commons.collections4.map;
    018
    019import org.apache.commons.collections4.IterableMap;
    020import org.apache.commons.collections4.MapIterator;
    021
    022/**
    023 * Provide a basic {@link IterableMap} implementation.
    024 *
    025 * @param <K> the type of the keys in this map
    026 * @param <V> the type of the values in this map
    027 * @since 4.0
    028 */
    029public abstract class AbstractIterableMap<K, V> implements IterableMap<K, V> {
    030
    031    /**
    032     * Constructs a new instance for subclasses.
    033     */
    034    public AbstractIterableMap() {
    035        // empty
    036    }
    037
    038    /**
    039     * {@inheritDoc}
    040     */
    041    @Override
    042    public MapIterator<K, V> mapIterator() {
    043        return new EntrySetToMapIteratorAdapter<>(entrySet());
    044    }
    045}