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.collections.iterators;
18
19 import org.apache.commons.collections.OrderedMapIterator;
20 import org.apache.commons.collections.ResettableIterator;
21
22 /**
23 * Provides an implementation of an empty ordered map iterator.
24 *
25 * @since Commons Collections 3.1
26 * @version $Revision: 646777 $ $Date: 2008-04-10 13:33:15 +0100 (Thu, 10 Apr 2008) $
27 *
28 * @author Stephen Colebourne
29 */
30 public class EmptyOrderedMapIterator extends AbstractEmptyIterator implements OrderedMapIterator, ResettableIterator {
31
32 /**
33 * Singleton instance of the iterator.
34 * @since Commons Collections 3.1
35 */
36 public static final OrderedMapIterator INSTANCE = new EmptyOrderedMapIterator();
37
38 /**
39 * Constructor.
40 */
41 protected EmptyOrderedMapIterator() {
42 super();
43 }
44
45 }