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


1 /*
2  * (c) Copyright 2002, 2003, 2004, 2005 Hewlett-Packard Development Company, LP
3  * [see end of file]
4  */
5
6
7 package com.hp.hpl.jena.graph;
8
9 import com.hp.hpl.jena.shared.PrefixMapping;
10
11 /**
12     A Node_ANY (there should be only one) is a meta-node that is used to stand
13     for any other node in a query.
14     @author kers
15 */
16
17 public class Node_ANY extends Node_Fluid
18     {
19     /* package */ Node_ANY() { super( "" ); }
20     
21     /** Node_ANY's are only equal to other Node_ANY's */
22     public boolean equals( Object JavaDoc other )
23         { return other instanceof Node_ANY; }
24         
25     public Object JavaDoc visitWith( NodeVisitor v )
26         { return v.visitAny( this ); }
27         
28     public boolean matches( Node other )
29         { return other != null; }
30         
31     public String JavaDoc toString()
32         { return "ANY"; }
33     
34     public String JavaDoc toString( PrefixMapping pm, boolean quoting )
35         { return "ANY"; }
36     }
37     
38 /*
39  * (c) Copyright 2002, 2003, 2004, 2005 Hewlett-Packard Development Company, LP
40  * All rights reserved.
41  *
42  * Redistribution and use in source and binary forms, with or without
43  * modification, are permitted provided that the following conditions
44  * are met:
45  * 1. Redistributions of source code must retain the above copyright
46  * notice, this list of conditions and the following disclaimer.
47  * 2. Redistributions in binary form must reproduce the above copyright
48  * notice, this list of conditions and the following disclaimer in the
49  * documentation and/or other materials provided with the distribution.
50  * 3. The name of the author may not be used to endorse or promote products
51  * derived from this software without specific prior written permission.
52  *
53  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
54  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
55  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
56  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
57  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
58  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
59  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
60  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
61  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
62  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
63  */
64
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