blob: 251b587d2e13f4d69b8418615fe724f8c69d05ea [file] [log] [blame]
Shuyi Chend7955ce2013-05-22 14:51:55 -07001// GenericsNote: Converted.
2/*
3 * Copyright 2003-2004 The Apache Software Foundation
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * 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 */
17package org.jivesoftware.smack.util.collections;
18
19import java.util.Map;
20
21/**
22 * Defines a map that can be iterated directly without needing to create an entry set.
23 * <p/>
24 * A map iterator is an efficient way of iterating over maps.
25 * There is no need to access the entry set or cast to Map Entry objects.
26 * <pre>
27 * IterableMap map = new HashedMap();
28 * MapIterator it = map.mapIterator();
29 * while (it.hasNext()) {
30 * Object key = it.next();
31 * Object value = it.getValue();
32 * it.setValue("newValue");
33 * }
34 * </pre>
35 *
36 * @author Matt Hall, John Watkinson, Stephen Colebourne
37 * @version $Revision: 1.1 $ $Date: 2005/10/11 17:05:19 $
38 * @since Commons Collections 3.0
39 */
40public interface IterableMap <K,V> extends Map<K, V> {
41
42 /**
43 * Obtains a <code>MapIterator</code> over the map.
44 * <p/>
45 * A map iterator is an efficient way of iterating over maps.
46 * There is no need to access the entry set or cast to Map Entry objects.
47 * <pre>
48 * IterableMap map = new HashedMap();
49 * MapIterator it = map.mapIterator();
50 * while (it.hasNext()) {
51 * Object key = it.next();
52 * Object value = it.getValue();
53 * it.setValue("newValue");
54 * }
55 * </pre>
56 *
57 * @return a map iterator
58 */
59 MapIterator<K, V> mapIterator();
60
61}