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1 /* 2 * $Header: /home/cvs/jakarta-commons-sandbox/betwixt/src/test/org/apache/commons/betwixt/LoopBean.java,v 1.4 2002/05/31 22:39:31 jon Exp $ 3 * $Revision: 1.4 $ 4 * $Date: 2002/05/31 22:39:31 $ 5 * 6 * ==================================================================== 7 * 8 * The Apache Software License, Version 1.1 9 * 10 * Copyright (c) 1999-2002 The Apache Software Foundation. All rights 11 * reserved. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 17 * 1. Redistributions of source code must retain the above copyright 18 * notice, this list of conditions and the following disclaimer. 19 * 20 * 2. Redistributions in binary form must reproduce the above copyright 21 * notice, this list of conditions and the following disclaimer in 22 * the documentation and/or other materials provided with the 23 * distribution. 24 * 25 * 3. The end-user documentation included with the redistribution, if 26 * any, must include the following acknowlegement: 27 * "This product includes software developed by the 28 * Apache Software Foundation (http://www.apache.org/)." 29 * Alternately, this acknowlegement may appear in the software itself, 30 * if and wherever such third-party acknowlegements normally appear. 31 * 32 * 4. The names "The Jakarta Project", "Commons", and "Apache Software 33 * Foundation" must not be used to endorse or promote products derived 34 * from this software without prior written permission. For written 35 * permission, please contact apache@apache.org. 36 * 37 * 5. Products derived from this software may not be called "Apache" 38 * nor may "Apache" appear in their names without prior written 39 * permission of the Apache Group. 40 * 41 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 42 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 43 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 44 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 45 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 46 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 47 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 48 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 49 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 50 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 51 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 52 * SUCH DAMAGE. 53 * ==================================================================== 54 * 55 * This software consists of voluntary contributions made by many 56 * individuals on behalf of the Apache Software Foundation. For more 57 * information on the Apache Software Foundation, please see 58 * <http://www.apache.org/>;. 59 * 60 * $Id: LoopBean.java,v 1.4 2002/05/31 22:39:31 jon Exp $ 61 */ 62 package org.apache.commons.betwixt; 63 64 /*** <p> This is a bean specifically designed to test cyclic references. 65 * The idea is that there's a count that counts every time <code>getFriend</code> 66 * gets called and throws a <code>RuntimeException</code> if the count gets too high.</p> 67 * 68 * @author Robert Burrell Donkin 69 * @version $Revision: 1.4 $ 70 */ 71 public class LoopBean 72 { 73 private static int count = 0; 74 75 private static final int max_count = 100; 76 77 private LoopBean friend; 78 79 private String name; 80 81 public static final LoopBean createNoLoopExampleBean() 82 { 83 LoopBean root = new LoopBean("Root"); 84 LoopBean levelOne = new LoopBean("level1"); 85 LoopBean levelTwo = new LoopBean("level2"); 86 LoopBean levelThree = new LoopBean("level3"); 87 LoopBean levelFour = new LoopBean("level4"); 88 LoopBean levelFive = new LoopBean("level5"); 89 90 root.setFriend(levelOne); 91 levelOne.setFriend(levelTwo); 92 levelTwo.setFriend(levelThree); 93 levelThree.setFriend(levelFour); 94 levelFour.setFriend(levelFive); 95 96 return root; 97 } 98 99 public static final LoopBean createLoopExampleBean() 100 { 101 LoopBean root = new LoopBean("Root"); 102 LoopBean levelOne = new LoopBean("level1"); 103 LoopBean levelTwo = new LoopBean("level2"); 104 LoopBean levelThree = new LoopBean("level3"); 105 LoopBean levelFour = new LoopBean("level4"); 106 LoopBean levelFive = new LoopBean("level5"); 107 108 root.setFriend(levelOne); 109 levelOne.setFriend(levelTwo); 110 levelTwo.setFriend(levelThree); 111 levelThree.setFriend(levelFour); 112 levelFour.setFriend(levelFive); 113 levelFive.setFriend(root); 114 115 return root; 116 } 117 118 119 public static final LoopBean createIdOnlyLoopExampleBean() 120 { 121 LoopBean root = new LoopBean("Root"); 122 LoopBean levelOne = new LoopBean("level1"); 123 LoopBean levelTwo = new LoopBean("level2"); 124 LoopBean levelThree = new LoopBean("level3"); 125 LoopBean levelFour = new LoopBean("level4"); 126 LoopBean levelFive = new LoopBean("level5"); 127 LoopBean notRoot = new LoopBean("Root"); 128 129 root.setFriend(levelOne); 130 levelOne.setFriend(levelTwo); 131 levelTwo.setFriend(levelThree); 132 levelThree.setFriend(levelFour); 133 levelFour.setFriend(levelFive); 134 levelFive.setFriend(notRoot); 135 136 return root; 137 } 138 139 public LoopBean(String name) 140 { 141 this.name = name; 142 } 143 144 public LoopBean getFriend() 145 { 146 if (++count > max_count) 147 { 148 throw new RuntimeException("Looping!"); 149 } 150 return friend; 151 } 152 153 public void setFriend(LoopBean friend) 154 { 155 this.friend = friend; 156 } 157 158 public String getName() 159 { 160 return name; 161 } 162 163 public String toString() 164 { 165 return "[LoopBean] name=" + name; 166 } 167 }

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