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Java > Open Source Codes > com > hp > hpl > jena > ontology > daml > DAMLDataInstance


1 /*****************************************************************************
2  * Source code information
3  * -----------------------
4  * Original author Ian Dickinson, HP Labs Bristol
5  * Author email Ian.Dickinson@hp.com
6  * Package Jena
7  * Created 17 Sept 2001
8  * Filename $RCSfile: DAMLDataInstance.java,v $
9  * Revision $Revision: 1.7 $
10  * Release status Preview-release $State: Exp $
11  *
12  * Last modified on $Date: 2005/02/21 12:04:58 $
13  * by $Author: andy_seaborne $
14  *
15  * (c) Copyright 2001, 2002, 2003, 2004, 2005 Hewlett-Packard Development Company, LP
16  * (see footer for full conditions)
17  *****************************************************************************/
18
19 // Package
20 ///////////////
21 package com.hp.hpl.jena.ontology.daml;
22
23
24 // Imports
25 ///////////////
26 import com.hp.hpl.jena.datatypes.RDFDatatype;
27
28
29
30 /**
31  * <p>A data instance is a specific type of DAML object that represents the instantiation
32  * of a DAML datatype. The instance is a resource whose <code>rdf:value</code> is a typed literal.</p>
33  *
34  * @author Ian Dickinson, HP Labs (<a HREF="mailto:Ian.Dickinson@hp.com">email</a>)
35  * @version CVS info: $Id: DAMLDataInstance.java,v 1.7 2005/02/21 12:04:58 andy_seaborne Exp $
36  */
37 public interface DAMLDataInstance
38     extends DAMLInstance
39 {
40     // Constants
41 //////////////////////////////////
42
43
44
45     // External signature methods
46 //////////////////////////////////
47
48     /**
49      * <p>Answer the typed value translator for values encoded by the datatype of this
50      * instance.</p>
51      *
52      * @return The datatype translator defined for the <code>rdf:type</code> of this instance
53      */
54     public RDFDatatype getDatatype();
55
56
57     /**
58      * <p>Answer the value of this instance as a Java object, translated from the
59      * serialised RDF representation by the Dataype's type mapper.</p>
60      *
61      * @return The value of this instance, or null if either the translator or the
62      * serialised value is defined
63      */
64     public Object JavaDoc getValue();
65
66
67     /**
68      * <p>Set the value of this instance to the given Java value, which will be
69      * serialised into the RDF graph by the datatype's translator.</p>
70      */
71     public void setValue( Object JavaDoc value );
72
73 }
74
75
76 /*
77     (c) Copyright 2001, 2002, 2003, 2004, 2005 Hewlett-Packard Development Company, LP
78     All rights reserved.
79
80     Redistribution and use in source and binary forms, with or without
81     modification, are permitted provided that the following conditions
82     are met:
83
84     1. Redistributions of source code must retain the above copyright
85        notice, this list of conditions and the following disclaimer.
86
87     2. Redistributions in binary form must reproduce the above copyright
88        notice, this list of conditions and the following disclaimer in the
89        documentation and/or other materials provided with the distribution.
90
91     3. The name of the author may not be used to endorse or promote products
92        derived from this software without specific prior written permission.
93
94     THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
95     IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
96     OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
97     IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
98     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
99     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
100     DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
101     THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
102     (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
103     THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
104 */
105
106
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