01: /*
02: * $RCSfile: DanglingReferenceException.java,v $
03: *
04: * Copyright 1997-2008 Sun Microsystems, Inc. All Rights Reserved.
05: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
06: *
07: * This code is free software; you can redistribute it and/or modify it
08: * under the terms of the GNU General Public License version 2 only, as
09: * published by the Free Software Foundation. Sun designates this
10: * particular file as subject to the "Classpath" exception as provided
11: * by Sun in the LICENSE file that accompanied this code.
12: *
13: * This code is distributed in the hope that it will be useful, but WITHOUT
14: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16: * version 2 for more details (a copy is included in the LICENSE file that
17: * accompanied this code).
18: *
19: * You should have received a copy of the GNU General Public License version
20: * 2 along with this work; if not, write to the Free Software Foundation,
21: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
22: *
23: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
24: * CA 95054 USA or visit www.sun.com if you need additional information or
25: * have any questions.
26: *
27: * $Revision: 1.5 $
28: * $Date: 2008/02/28 20:17:20 $
29: * $State: Exp $
30: */
31:
32: package javax.media.j3d;
33:
34: /**
35: * During a <code>cloneTree</code> call an updated reference was requested
36: * for a node that did not get cloned. This happens when a sub-graph is
37: * duplicated via <code>cloneTree</code> and has at least one Leaf node
38: * that contains a reference to a Node that has no corresponding node in
39: * the cloned sub-graph. This results in two Leaf nodes wanting to share
40: * access to the same Node.
41: * <P>
42: * If dangling references are to be allowed during the cloneTree call,
43: * <code>cloneTree</code> should be called with the
44: * <code>allowDanglingReferences</code> parameter set to <code>true</code>.
45: * @see Node#cloneTree
46: */
47: public class DanglingReferenceException extends RuntimeException {
48:
49: /**
50: * Create the exception object with default values.
51: */
52: public DanglingReferenceException() {
53: }
54:
55: /**
56: * Create the exception object that outputs message.
57: * @param str the message string to be output.
58: */
59: public DanglingReferenceException(String str) {
60: super(str);
61: }
62:
63: }
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