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}