-
Notifications
You must be signed in to change notification settings - Fork 14
/
IndirectMultilingualString.java
126 lines (105 loc) · 3.52 KB
/
IndirectMultilingualString.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
package cz.cvut.kbss.jopa.adapters;
import cz.cvut.kbss.jopa.model.MultilingualString;
import cz.cvut.kbss.jopa.sessions.UnitOfWorkImpl;
import java.lang.reflect.Field;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
/**
* Wraps a {@link MultilingualString} so that calls to modifying operations are intercepted and reported to the
* persistence context (if necessary).
*/
public class IndirectMultilingualString extends MultilingualString implements IndirectWrapper {
private final Object owner;
private final Field field;
private final UnitOfWorkImpl persistenceContext;
private final MultilingualString referencedString;
protected IndirectMultilingualString() {
this.owner = null;
this.field = null;
this.persistenceContext = null;
this.referencedString = new MultilingualString();
}
/**
* Create new indirect multilingual string backed by the specified referenced {@link MultilingualString}.
*
* @param owner Owner of the string
* @param f The field holding this string
* @param uow Persistence context the owner belongs to
* @param referencedString The string to reference
* @throws NullPointerException If the {@code referencedString} is null
*/
public IndirectMultilingualString(Object owner, Field f, UnitOfWorkImpl uow, MultilingualString referencedString) {
this.owner = owner;
this.field = f;
this.persistenceContext = Objects.requireNonNull(uow);
this.referencedString = Objects.requireNonNull(referencedString);
}
private void notifyPersistenceContext() {
assert persistenceContext != null;
if (persistenceContext.isInTransaction() && !persistenceContext.isInCommit()) {
persistenceContext.attributeChanged(owner, field);
}
}
@Override
public void set(String language, String value) {
referencedString.set(language, value);
notifyPersistenceContext();
}
@Override
public void set(String value) {
referencedString.set(value);
notifyPersistenceContext();
}
@Override
public String get(String language) {
return referencedString.get(language);
}
@Override
public String get() {
return referencedString.get();
}
@Override
public boolean contains(String language) {
return referencedString.contains(language);
}
@Override
public boolean containsSimple() {
return referencedString.containsSimple();
}
@Override
public boolean isEmpty() {
return referencedString.isEmpty();
}
@Override
public void remove(String language) {
referencedString.remove(language);
notifyPersistenceContext();
}
@Override
public Set<String> getLanguages() {
return referencedString.getLanguages();
}
@Override
public Map<String, String> getValue() {
return referencedString.getValue();
}
@Override
public boolean equals(Object o) {
if (o instanceof MultilingualString) {
if (o instanceof IndirectMultilingualString) {
return referencedString.equals(((IndirectMultilingualString) o).referencedString);
}
return referencedString.equals(o);
}
return false;
}
@Override
public int hashCode() {
return referencedString.hashCode();
}
@Override
public MultilingualString unwrap() {
return referencedString;
}
}