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Java > Open Source Codes > com > hp > hpl > jena > graph > NodeVisitor


1 /*
2   (c) Copyright 2003, 2004, 2005 Hewlett-Packard Development Company, LP
3   [See end of file]
4   $Id: NodeVisitor.java,v 1.6 2005/02/21 11:51:56 andy_seaborne Exp $
5 */
6
7 package com.hp.hpl.jena.graph;
8
9 import com.hp.hpl.jena.graph.impl.*;
10 import com.hp.hpl.jena.rdf.model.*;
11
12 /**
13     The NodeVisitor interface is used by Node::visitWith so that an application
14     can have type-dispatch on the class of a Node.
15     
16     @author hedgehog
17 */
18 public interface NodeVisitor
19     {
20     Object JavaDoc visitAny( Node_ANY it );
21     Object JavaDoc visitBlank( Node_Blank it, AnonId id );
22     Object JavaDoc visitLiteral( Node_Literal it, LiteralLabel lit );
23     Object JavaDoc visitURI( Node_URI it, String JavaDoc uri );
24     Object JavaDoc visitVariable( Node_Variable it, String JavaDoc name );
25     }
26     
27 /*
28     (c) Copyright 2003, 2004, 2005 Hewlett-Packard Development Company, LP
29     All rights reserved.
30
31     Redistribution and use in source and binary forms, with or without
32     modification, are permitted provided that the following conditions
33     are met:
34
35     1. Redistributions of source code must retain the above copyright
36        notice, this list of conditions and the following disclaimer.
37
38     2. Redistributions in binary form must reproduce the above copyright
39        notice, this list of conditions and the following disclaimer in the
40        documentation and/or other materials provided with the distribution.
41
42     3. The name of the author may not be used to endorse or promote products
43        derived from this software without specific prior written permission.
44
45     THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
46     IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
47     OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
48     IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
49     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
50     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
51     DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
52     THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
53     (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
54     THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
55 */
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