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Java > Open Source Codes > com > db4o > nativequery > bloat > TreeStructureVisitor


1 /* Copyright (C) 2004 - 2006 db4objects Inc. http://www.db4o.com
2
3 This file is part of the db4o open source object database.
4
5 db4o is free software; you can redistribute it and/or modify it under
6 the terms of version 2 of the GNU General Public License as published
7 by the Free Software Foundation and as clarified by db4objects' GPL
8 interpretation policy, available at
9 http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
10 Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
11 Suite 350, San Mateo, CA 94403, USA.
12
13 db4o is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 for more details.
17
18 You should have received a copy of the GNU General Public License along
19 with this program; if not, write to the Free Software Foundation, Inc.,
20 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21 package com.db4o.nativequery.bloat;
22
23 import EDU.purdue.cs.bloat.tree.*;
24
25 public class TreeStructureVisitor extends TreeVisitor {
26     private int depth=0;
27     
28     public void visitNode(Node node) {
29         for(int idx=0;idx<depth;idx++) {
30             System.out.print("--");
31         }
32         System.out.println(node.getClass().getName()+" : "+node);
33         depth++;
34         super.visitNode(node);
35         depth--;
36     }
37 }
38
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