1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.commons.collections4.map;
18
19 import org.apache.commons.collections4.IterableMap;
20 import org.apache.commons.collections4.MapIterator;
21
22 /**
23 * Provide a basic {@link IterableMap} implementation.
24 *
25 * @param <K> the type of the keys in this map
26 * @param <V> the type of the values in this map
27 * @since 4.0
28 */
29 public abstract class AbstractIterableMap<K, V> implements IterableMap<K, V> {
30
31 /**
32 * Constructs a new instance for subclasses.
33 */
34 public AbstractIterableMap() {
35 // empty
36 }
37
38 /**
39 * {@inheritDoc}
40 */
41 @Override
42 public MapIterator<K, V> mapIterator() {
43 return new EntrySetToMapIteratorAdapter<>(entrySet());
44 }
45 }