-
Notifications
You must be signed in to change notification settings - Fork 14
/
ConnectionWrapper.java
136 lines (115 loc) · 4.34 KB
/
ConnectionWrapper.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
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
/**
* Copyright (C) 2022 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.jopa.sessions;
import cz.cvut.kbss.jopa.exceptions.OWLPersistenceException;
import cz.cvut.kbss.jopa.model.descriptors.Descriptor;
import cz.cvut.kbss.jopa.oom.ObjectOntologyMapper;
import cz.cvut.kbss.jopa.oom.ObjectOntologyMapperImpl;
import cz.cvut.kbss.jopa.utils.EntityPropertiesUtils;
import cz.cvut.kbss.jopa.utils.Wrapper;
import cz.cvut.kbss.ontodriver.Connection;
import cz.cvut.kbss.ontodriver.Statement;
import cz.cvut.kbss.ontodriver.exception.OntoDriverException;
import java.lang.reflect.Field;
import java.net.URI;
import java.util.List;
public class ConnectionWrapper implements Wrapper {
private final Connection connection;
private ObjectOntologyMapper mapper;
public ConnectionWrapper(Connection connection) {
this.connection = connection;
}
void setUnitOfWork(UnitOfWorkImpl uow) {
this.mapper = new ObjectOntologyMapperImpl(uow, connection);
}
public <T> boolean contains(Object identifier, Class<T> cls, Descriptor descriptor) {
final URI idUri = getIdentifierAsUri(identifier);
return idUri != null && mapper.containsEntity(cls, idUri, descriptor);
}
private static URI getIdentifierAsUri(Object identifier) {
return identifier == null ? null : EntityPropertiesUtils.getValueAsURI(identifier);
}
public <T> T find(LoadingParameters<T> loadingParameters) {
return mapper.loadEntity(loadingParameters);
}
public <T> T getReference(LoadingParameters<T> loadingParameters) {
return mapper.loadReference(loadingParameters);
}
public <T> void merge(T entity, Field field, Descriptor descriptor) {
mapper.updateFieldValue(entity, field, descriptor);
}
public <T> void persist(Object identifier, T entity, Descriptor descriptor) {
final URI idUri = getIdentifierAsUri(identifier);
mapper.persistEntity(idUri, entity, descriptor);
}
public <T> void remove(Object identifier, Class<T> cls, Descriptor descriptor) {
final URI idUri = getIdentifierAsUri(identifier);
mapper.removeEntity(idUri, cls, descriptor);
}
public <T> void loadFieldValue(T entity, Field field, Descriptor descriptor) {
mapper.loadFieldValue(entity, field, descriptor);
}
public void commit() {
try {
mapper.checkForUnpersistedChanges();
connection.commit();
} catch (OntoDriverException e) {
throw new OWLPersistenceException(e);
}
}
public void rollback() {
try {
connection.rollback();
} catch (OntoDriverException e) {
throw new OWLPersistenceException(e);
}
}
public void close() {
try {
connection.close();
} catch (Exception e) {
throw new OWLPersistenceException(e);
}
}
public boolean isConsistent(URI context) {
try {
return connection.isConsistent(context);
} catch (OntoDriverException e) {
throw new OWLPersistenceException(e);
}
}
public List<URI> getContexts() {
try {
return connection.getContexts();
} catch (OntoDriverException e) {
throw new OWLPersistenceException(e);
}
}
public Statement createStatement() {
try {
return connection.createStatement();
} catch (OntoDriverException e) {
throw new OWLPersistenceException(e);
}
}
@Override
public <T> T unwrap(Class<T> cls) {
try {
return connection.unwrap(cls);
} catch (OntoDriverException e) {
throw new OWLPersistenceException(e);
}
}
}