Jenkins

1: /**
2:  * Copyright (C) 2020 Czech Technical University in Prague
3:  *
4:  * This program is free software: you can redistribute it and/or modify it under
5:  * the terms of the GNU General Public License as published by the Free Software
6:  * Foundation, either version 3 of the License, or (at your option) any
7:  * later version.
8:  *
9:  * This program is distributed in the hope that it will be useful, but WITHOUT
10:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11:  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
12:  * details. You should have received a copy of the GNU General Public License
13:  * along with this program. If not, see <http://www.gnu.org/licenses/>.
14:  */
15: package cz.cvut.kbss.jopa.vocabulary;
16: 
17: /**
18:  * A subset of the RDF vocabulary.
19:  */
20: public final class RDF {
21: 
22:     /**
23:      * RDF vocabulary namespace.
24:      */
25:     public static final String NAMESPACE = "http://www.w3.org/1999/02/22-rdf-syntax-ns#";
26: 
27:     /**
28:      * Typical prefix used for {@link #NAMESPACE}.
29:      */
30:     public static final String PREFIX = "rdf";
31: 
32:     /**
33:      * The {@code rdf:type} property indicates that a resource is a member of a class.
34:      */
35:     public static final String TYPE = NAMESPACE + "type";
36: 
37:     /**
38:      * The {@code rdf:value} property identifies the principal value (usually a string) of a property when the property
39:      * value is a structured resource.
40:      */
41:     public static final String VALUE = NAMESPACE + "value";
42: 
43:     /**
44:      * The {@code rdf:Statement} class represents statements about the properties of resources.
45:      *
46:      * @see #SUBJECT
47:      * @see #PREDICATE
48:      * @see #OBJECT
49:      */
50:     public static final String STATEMENT = NAMESPACE + "Statement";
51: 
52:     /**
53:      * The subject of an RDF statement.
54:      */
55:     public static final String SUBJECT = NAMESPACE + "subject";
56: 
57:     /**
58:      * The predicate of an RDF statement.
59:      */
60:     public static final String PREDICATE = NAMESPACE + "predicate";
61: 
62:     /**
63:      * The predicate of an RDF statement.
64:      */
65:     public static final String OBJECT = NAMESPACE + "object";
66: 
67:     /**
68:      * {@code rdf:Property} represents those resources that are RDF properties.
69:      */
70:     public static final String PROPERTY = NAMESPACE + "Property";
71: 
72:     private RDF() {
73:         throw new AssertionError();
74:     }
75: }