-
Notifications
You must be signed in to change notification settings - Fork 14
/
AxiomDescriptorFactory.java
121 lines (108 loc) · 5.99 KB
/
AxiomDescriptorFactory.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
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
/**
* Copyright (C) 2016 Czech Technical University in Prague
* <p>
* 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.
* <p>
* 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.jopa.oom;
import cz.cvut.kbss.jopa.model.JOPAPersistenceProperties;
import cz.cvut.kbss.jopa.model.annotations.FetchType;
import cz.cvut.kbss.jopa.model.descriptors.Descriptor;
import cz.cvut.kbss.jopa.model.metamodel.*;
import cz.cvut.kbss.jopa.sessions.LoadingParameters;
import cz.cvut.kbss.jopa.utils.Configuration;
import cz.cvut.kbss.ontodriver.descriptor.AxiomDescriptor;
import cz.cvut.kbss.ontodriver.model.Assertion;
import cz.cvut.kbss.ontodriver.model.NamedResource;
import java.lang.reflect.Field;
import java.net.URI;
class AxiomDescriptorFactory {
private final Configuration configuration;
private String puLanguage;
AxiomDescriptorFactory(Configuration configuration) {
this.configuration = configuration;
}
AxiomDescriptor createForEntityLoading(LoadingParameters<?> loadingParams, EntityType<?> et) {
final AxiomDescriptor descriptor = new AxiomDescriptor(NamedResource.create(loadingParams.getIdentifier()));
descriptor.setSubjectContext(loadingParams.getDescriptor().getContext());
descriptor.addAssertion(Assertion.createClassAssertion(false));
addForTypes(loadingParams, et, descriptor);
addForProperties(loadingParams, et, descriptor);
this.puLanguage = configuration.get(JOPAPersistenceProperties.LANG);
for (Attribute<?, ?> att : et.getAttributes()) {
if (!shouldLoad(att.getFetchType(), loadingParams.isForceEager())) {
continue;
}
final Assertion a = createAssertion(att, loadingParams.getDescriptor().getAttributeDescriptor(att));
addAssertionToDescriptor(loadingParams.getDescriptor(), att, descriptor, a);
}
return descriptor;
}
private void addForTypes(LoadingParameters<?> loadingParams, EntityType<?> et, AxiomDescriptor descriptor) {
final TypesSpecification<?, ?> types = et.getTypes();
if (types != null && shouldLoad(types.getFetchType(), loadingParams.isForceEager())) {
final Assertion typesAssertion = Assertion.createClassAssertion(types.isInferred());
addAssertionToDescriptor(loadingParams.getDescriptor(), types, descriptor, typesAssertion);
}
}
private boolean shouldLoad(FetchType fetchType, boolean forceLoad) {
return fetchType != FetchType.LAZY || forceLoad;
}
private void addAssertionToDescriptor(Descriptor entityDescriptor, FieldSpecification<?, ?> att,
final AxiomDescriptor descriptor, final Assertion assertion) {
descriptor.addAssertion(assertion);
final URI attContext = entityDescriptor.getAttributeDescriptor(att).getContext();
if (attContext != null) {
descriptor.setAssertionContext(assertion, attContext);
}
}
private void addForProperties(LoadingParameters<?> loadingParams, EntityType<?> et, AxiomDescriptor descriptor) {
final PropertiesSpecification<?, ?, ?, ?> props = et.getProperties();
if (props != null && shouldLoad(props.getFetchType(), loadingParams.isForceEager())) {
final Assertion propsAssertion = Assertion.createUnspecifiedPropertyAssertion(props.isInferred());
addAssertionToDescriptor(loadingParams.getDescriptor(), props, descriptor, propsAssertion);
}
}
private Assertion createAssertion(Attribute<?, ?> att, Descriptor descriptor) {
assert att != null;
switch (att.getPersistentAttributeType()) {
case OBJECT:
return Assertion.createObjectPropertyAssertion(att.getIRI().toURI(), att.isInferred());
case DATA:
return Assertion
.createDataPropertyAssertion(att.getIRI().toURI(),
descriptor.hasLanguage() ? descriptor.getLanguage() : puLanguage, att.isInferred());
case ANNOTATION:
return Assertion
.createAnnotationPropertyAssertion(att.getIRI().toURI(),
descriptor.hasLanguage() ? descriptor.getLanguage() : puLanguage, att.isInferred());
default:
throw new IllegalArgumentException(
"Illegal persistent attribute type " + att.getPersistentAttributeType());
}
}
AxiomDescriptor createForFieldLoading(URI primaryKey, Field field, Descriptor entityDescriptor, EntityType<?> et) {
this.puLanguage = configuration.get(JOPAPersistenceProperties.LANG);
final AxiomDescriptor descriptor = new AxiomDescriptor(NamedResource.create(primaryKey));
FieldSpecification<?, ?> fieldSpec = MappingUtils.getFieldSpecification(field, et);
final Assertion assertion;
if (et.getTypes() != null && fieldSpec.equals(et.getTypes())) {
assertion = Assertion.createClassAssertion(et.getTypes().isInferred());
} else if (et.getProperties() != null && fieldSpec.equals(et.getProperties())) {
assertion = Assertion.createUnspecifiedPropertyAssertion(et.getProperties().isInferred());
} else {
assertion = createAssertion((Attribute<?, ?>) fieldSpec,
entityDescriptor.getAttributeDescriptor(fieldSpec));
}
addAssertionToDescriptor(entityDescriptor, fieldSpec, descriptor, assertion);
return descriptor;
}
}