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; 018 019 020import org.apache.wicket.util.io.IClusterable; 021 022/** 023 * Class used for holding meta data entries. 024 * 025 * @author Jonathan Locke 026 * @param <T> 027 * The meta data key type 028 */ 029public final class MetaDataEntry<T> implements IClusterable 030{ 031 private static final long serialVersionUID = 1L; 032 033 final MetaDataKey<T> key; 034 035 Object object; 036 037 /** 038 * Construct. 039 * 040 * @param key 041 * meta data key 042 * @param object 043 */ 044 public MetaDataEntry(MetaDataKey<T> key, Object object) 045 { 046 this.key = key; 047 this.object = object; 048 } 049 050 /** 051 * @see java.lang.Object#toString() 052 */ 053 @Override 054 public String toString() 055 { 056 return key + "=" + object.getClass().getName() + "@" + 057 Integer.toHexString(object.hashCode()); 058 } 059}