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Java > Open Source Codes > com > hp > hpl > jena > graph > query > PatternLiteral


1 /*
2   (c) Copyright 2004, 2005 Hewlett-Packard Development Company, LP, all rights reserved.
3   [See end of file]
4   $Id: PatternLiteral.java,v 1.3 2005/02/21 11:52:15 andy_seaborne Exp $
5 */
6 package com.hp.hpl.jena.graph.query;
7
8 /**
9      PatternLiteral - an interface for pattern literals recognised by Rewrite.
10      Also contains the definitions for the pattern language names.
11      
12      @author kers
13 */
14 public interface PatternLiteral
15     {
16     public static final String JavaDoc rdql = "http://jena.hpl.hp.com/2003/07/query/RDQL";
17     
18     /**
19          Answer the pattern string, in whatever the pattern language is.
20     */
21     String JavaDoc getPatternString();
22     
23     /**
24          Answer the pattern modifiers (a string of characters) of this pattern.
25          If the notion of modifiers does not apply, answer null. If there are no
26          modifiers, answer the empty string.
27     */
28     String JavaDoc getPatternModifiers();
29     
30     /**
31          Answer the language of the pattern. The only name recognised at this
32          time is "rdql", for the pattern language used by Jena's RDQL.
33     */
34     String JavaDoc getPatternLanguage();
35     }
36
37
38 /*
39     (c) Copyright 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     
46     1. Redistributions of source code must retain the above copyright
47        notice, this list of conditions and the following disclaimer.
48     
49     2. Redistributions in binary form must reproduce the above copyright
50        notice, this list of conditions and the following disclaimer in the
51        documentation and/or other materials provided with the distribution.
52     
53     3. The name of the author may not be used to endorse or promote products
54        derived from this software without specific prior written permission.
55     
56     THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
57     IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
58     OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
59     IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
60     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
61     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
62     DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
63     THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
64     (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
65     THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
66 */
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