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Java > Open Source Codes > com > hp > hpl > jena > rdf > model > ModelGraphInterface


1 /*
2   (c) Copyright 2004, 2005 Hewlett-Packard Development Company, LP, all rights reserved.
3   [See end of file]
4   $Id: ModelGraphInterface.java,v 1.3 2005/02/21 12:14:09 andy_seaborne Exp $
5 */
6
7 package com.hp.hpl.jena.rdf.model;
8
9 import com.hp.hpl.jena.graph.*;
10 import com.hp.hpl.jena.graph.query.*;
11
12 /**
13     ModelGraphInterface - this interface mediates between the API Model level
14     and the SPI Graph level. It may change if the SPI changes, is more fluid than
15     Model and ModelCon, so don't use if it you don't *need* to.
16     
17     @author kers
18 */
19 public interface ModelGraphInterface
20     {
21     /**
22        Answer a Statement in this Model who's SPO is that of the triple <code>t</code>.
23     */
24     Statement asStatement( Triple t );
25     
26     /**
27         Answer the Graph which this Model is presenting.
28     */
29     Graph getGraph();
30
31     /**
32        Answer the QueryHandler of the Graph this Model is presenting.
33     */
34     QueryHandler queryHandler();
35     
36     /**
37        Answer an RDF node wrapping <code>n</code> suitably; URI nodes
38        become Resources with the same URI, blank nodes become Resources
39        with URI null but the same AnonId, and literal nodes become Literals
40        with <code>n</code> as their value carrier.
41     */
42     RDFNode asRDFNode( Node n );
43     }
44
45 /*
46     (c) Copyright 2004, 2005 Hewlett-Packard Development Company, LP
47     All rights reserved.
48
49     Redistribution and use in source and binary forms, with or without
50     modification, are permitted provided that the following conditions
51     are met:
52
53     1. Redistributions of source code must retain the above copyright
54        notice, this list of conditions and the following disclaimer.
55
56     2. Redistributions in binary form must reproduce the above copyright
57        notice, this list of conditions and the following disclaimer in the
58        documentation and/or other materials provided with the distribution.
59
60     3. The name of the author may not be used to endorse or promote products
61        derived from this software without specific prior written permission.
62
63     THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
64     IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
65     OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
66     IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
67     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
68     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
69     DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
70     THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
71     (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
72     THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
73 */
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