| J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2005 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | |
| 27 | /* |
| 28 | * The contents of this file are subject to the Sun Public License |
| 29 | * Version 1.0 (the "License"); you may not use this file except in |
| 30 | * compliance with the License. A copy of the License is available at |
| 31 | * http://www.sun.com/, and in the file LICENSE.html in the |
| 32 | * doc directory. |
| 33 | * |
| 34 | * The Original Code is HAT. The Initial Developer of the |
| 35 | * Original Code is Bill Foote, with contributions from others |
| 36 | * at JavaSoft/Sun. Portions created by Bill Foote and others |
| 37 | * at Javasoft/Sun are Copyright (C) 1997-2004. All Rights Reserved. |
| 38 | * |
| 39 | * In addition to the formal license, I ask that you don't |
| 40 | * change the history or donations files without permission. |
| 41 | * |
| 42 | */ |
| 43 | |
| 44 | package com.sun.tools.hat.internal.model; |
| 45 | |
| 46 | /** |
| 47 | * Represents a chain of references to some target object |
| 48 | * |
| 49 | * @author Bill Foote |
| 50 | */ |
| 51 | |
| 52 | public class ReferenceChain { |
| 53 | |
| 54 | JavaHeapObject obj; // Object referred to |
| 55 | ReferenceChain next; // Next in chain |
| 56 | |
| 57 | public ReferenceChain(JavaHeapObject obj, ReferenceChain next) { |
| 58 | this.obj = obj; |
| 59 | this.next = next; |
| 60 | } |
| 61 | |
| 62 | public JavaHeapObject getObj() { |
| 63 | return obj; |
| 64 | } |
| 65 | |
| 66 | public ReferenceChain getNext() { |
| 67 | return next; |
| 68 | } |
| 69 | |
| 70 | public int getDepth() { |
| 71 | int count = 1; |
| 72 | ReferenceChain tmp = next; |
| 73 | while (tmp != null) { |
| 74 | count++; |
| 75 | tmp = tmp.next; |
| 76 | } |
| 77 | return count; |
| 78 | } |
| 79 | |
| 80 | } |