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Java > Open Source Codes > com > hp > hpl > jena > enhanced > Implementation


1 /*
2   (c) Copyright 2003, 2004, 2005 Hewlett-Packard Development Company, LP
3   [See end of file]
4   $Id: Implementation.java,v 1.7 2005/02/21 12:03:40 andy_seaborne Exp $
5 */
6
7 package com.hp.hpl.jena.enhanced;
8 import com.hp.hpl.jena.graph.*;
9
10 /**
11  * <p>
12  * Interface defining a generic factory interface for generating enhanced nodes
13  * from normal graph nodes. Implementation classes should have a public final
14  * member variable called factory of this type.
15  * </p>
16  *
17  * @author <a HREF="mailto:Jeremy.Carroll@hp.com">Jeremy Carroll</a> (original code)<br>
18  * <a HREF="mailto:Chris.Dollin@hp.com">Chris Dollin</a> (original code)<br>
19  * <a HREF="mailto:Ian.Dickinson@hp.com">Ian Dickinson</a> (refactoring and commentage)
20  */
21 public abstract class Implementation {
22
23      /**
24       * Create a new EnhNode wrapping a Node in the context of an EnhGraph
25       * @param node The node to be wrapped
26       * @param eg The graph containing the node
27       * @return A new enhanced node which wraps node but presents the interface(s)
28       * that this factory encapsulates.
29       */
30      public abstract EnhNode wrap( Node node,EnhGraph eg );
31      
32      /**
33         true iff wrapping (node, eg) would succeed.
34         @param node the node to test for suitability
35         @param eg the enhanced graph the node appears in
36         @return true iff the node can represent our type in that graph
37      */
38      public abstract boolean canWrap( Node node, EnhGraph eg );
39      
40 }
41
42 /*
43     (c) Copyright 2003, 2004, 2005 Hewlett-Packard Development Company, LP
44     All rights reserved.
45
46     Redistribution and use in source and binary forms, with or without
47     modification, are permitted provided that the following conditions
48     are met:
49
50     1. Redistributions of source code must retain the above copyright
51        notice, this list of conditions and the following disclaimer.
52
53     2. Redistributions in binary form must reproduce the above copyright
54        notice, this list of conditions and the following disclaimer in the
55        documentation and/or other materials provided with the distribution.
56
57     3. The name of the author may not be used to endorse or promote products
58        derived from this software without specific prior written permission.
59
60     THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
61     IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
62     OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
63     IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
64     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
65     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
66     DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
67     THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
68     (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
69     THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
70 */
71
72
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