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Java > Open Source Codes > net > sf > jga > fn > AbstractVisitor


1 // ============================================================================
2 // $Id: AbstractVisitor.java,v 1.3 2005/08/02 23:45:05 davidahall Exp $
3 // Copyright (c) 2002-2005 David A. Hall
4 // ============================================================================
5 // The contents of this file are subject to the Common Development and
6 // Distribution License (CDDL), Version 1.0 (the License); you may not use this
7 // file except in compliance with the License. You should have received a copy
8 // of the the License along with this file: if not, a copy of the License is
9 // available from Sun Microsystems, Inc.
10 //
11 // http://www.sun.com/cddl/cddl.html
12 //
13 // From time to time, the license steward (initially Sun Microsystems, Inc.) may
14 // publish revised and/or new versions of the License. You may not use,
15 // distribute, or otherwise make this file available under subsequent versions
16 // of the License.
17 //
18 // Alternatively, the contents of this file may be used under the terms of the
19 // GNU Lesser General Public License Version 2.1 or later (the "LGPL"), in which
20 // case the provisions of the LGPL are applicable instead of those above. If you
21 // wish to allow use of your version of this file only under the terms of the
22 // LGPL, and not to allow others to use your version of this file under the
23 // terms of the CDDL, indicate your decision by deleting the provisions above
24 // and replace them with the notice and other provisions required by the LGPL.
25 // If you do not delete the provisions above, a recipient may use your version
26 // of this file under the terms of either the CDDL or the LGPL.
27 //
28 // This library is distributed in the hope that it will be useful,
29 // but WITHOUT ANY WARRANTY; without even the implied warranty of
30 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
31 // ============================================================================
32
33 package net.sf.jga.fn;
34
35 /**
36  * Shell implementation of Visitor. Typically, the
37  * <code>visit(Visitable)</code> method is implemented as a no-op, which this
38  * class provides.
39  * <p>
40  * Copyright &copy; 2002-2005 David A. Hall
41  *
42  * @author <a HREF="mailto:davidahall@users.sourceforge.net">David A. Hall</a>
43  **/
44
45 abstract public class AbstractVisitor implements Visitor {
46     /**
47      * No-op implementation by default.
48      */
49     public void visit(Visitable visitable) {}
50 }
51
52     
53
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