-
Notifications
You must be signed in to change notification settings - Fork 14
/
AxiomSaver.java
96 lines (86 loc) · 4.37 KB
/
AxiomSaver.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
/**
* Copyright (C) 2016 Czech Technical University in Prague
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details. You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package cz.cvut.kbss.ontodriver.sesame;
import cz.cvut.kbss.ontodriver.descriptor.AxiomValueDescriptor;
import cz.cvut.kbss.ontodriver.model.Assertion;
import cz.cvut.kbss.ontodriver.model.NamedResource;
import cz.cvut.kbss.ontodriver.model.Value;
import cz.cvut.kbss.ontodriver.sesame.connector.Connector;
import cz.cvut.kbss.ontodriver.sesame.exceptions.SesameDriverException;
import cz.cvut.kbss.ontodriver.sesame.util.SesameUtils;
import org.eclipse.rdf4j.model.Resource;
import org.eclipse.rdf4j.model.Statement;
import org.eclipse.rdf4j.model.ValueFactory;
import java.net.URI;
import java.util.*;
class AxiomSaver {
private final Connector connector;
private final ValueFactory valueFactory;
private final SesameValueConverter valueConverter;
AxiomSaver(Connector connector, ValueFactory valueFactory, String language) {
this.connector = connector;
this.valueFactory = valueFactory;
this.valueConverter = new SesameValueConverter(valueFactory, language);
}
void persistAxioms(AxiomValueDescriptor axiomDescriptor) throws SesameDriverException {
final List<Statement> statements = new ArrayList<>();
for (Assertion assertion : axiomDescriptor.getAssertions()) {
statements.addAll(createSesameStatements(axiomDescriptor.getSubject(), assertion,
axiomDescriptor.getAssertionValues(assertion),
axiomDescriptor.getAssertionContext(assertion)));
}
if (!statements.isEmpty()) {
connector.addStatements(statements);
}
}
void persistAxioms(NamedResource subject, Map<Assertion, Set<Value<?>>> values, URI context)
throws SesameDriverException {
final List<Statement> statements = new ArrayList<>();
for (Map.Entry<Assertion, Set<Value<?>>> entry : values.entrySet()) {
statements.addAll(createSesameStatements(subject, entry.getKey(), entry.getValue(), context));
}
if (!statements.isEmpty()) {
connector.addStatements(statements);
}
}
private Collection<? extends Statement> createSesameStatements(NamedResource subject,
Assertion assertion,
Collection<Value<?>> assertionValues,
URI assertionContext)
throws SesameDriverException {
final List<Statement> statements = new ArrayList<>(assertionValues.size());
final Resource subjectUri = SesameUtils.toSesameIri(subject.getIdentifier(), valueFactory);
final org.eclipse.rdf4j.model.IRI property = SesameUtils.toSesameIri(assertion.getIdentifier(),
valueFactory);
final org.eclipse.rdf4j.model.IRI context =
assertionContext != null ? SesameUtils.toSesameIri(assertionContext, valueFactory) : null;
for (Value<?> val : assertionValues) {
if (val == Value.nullValue()) {
continue;
}
org.eclipse.rdf4j.model.Value value = valueConverter.toSesameValue(assertion, val);
statements.add(createStatement(subjectUri, property, value, context));
}
return statements;
}
private Statement createStatement(Resource subject, org.eclipse.rdf4j.model.IRI property,
org.eclipse.rdf4j.model.Value value, org.eclipse.rdf4j.model.IRI context) {
if (context != null) {
return valueFactory.createStatement(subject, property, value, context);
} else {
return valueFactory.createStatement(subject, property, value);
}
}
}