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.wicket.model.util;
018
019import java.util.HashMap;
020import java.util.Map;
021
022
023/**
024 * Based on <code>Model</code> but for maps of serializable objects.
025 * 
026 * @author Timo Rantalaiho
027 * @param <K>
028 *            map's key type
029 * @param <V>
030 *            map's value type
031 */
032public class MapModel<K, V> extends GenericBaseModel<Map<K, V>>
033{
034        private static final long serialVersionUID = 1L;
035
036        /**
037         * Creates empty model
038         */
039        public MapModel()
040        {
041        }
042
043        /**
044         * Creates model that will contain <code>map</code>
045         * 
046         * @param map
047         */
048        public MapModel(Map<K, V> map)
049        {
050                setObject(map);
051        }
052
053        @Override
054        protected Map<K, V> createSerializableVersionOf(Map<K, V> object)
055        {
056                return new HashMap<>(object);
057        }
058}