-
Notifications
You must be signed in to change notification settings - Fork 2
/
EmbeddedTermMappingHolder.java
75 lines (60 loc) · 2.22 KB
/
EmbeddedTermMappingHolder.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
package cz.cvut.kbss.jsonld.serialization.context;
import cz.cvut.kbss.jsonld.exception.AmbiguousTermMappingException;
import cz.cvut.kbss.jsonld.serialization.model.JsonNode;
import java.util.*;
class EmbeddedTermMappingHolder extends TermMappingHolder {
private final Map<String, JsonNode> mapping = new HashMap<>();
EmbeddedTermMappingHolder() {
super(DummyTermMappingHolder.INSTANCE);
}
EmbeddedTermMappingHolder(TermMappingHolder parentContext) {
super(parentContext);
}
@Override
boolean canRegisterTermMapping(String term, JsonNode mappedNode) {
return true;
}
@Override
void registerTermMapping(String term, JsonNode mappedNode) {
Objects.requireNonNull(term);
Objects.requireNonNull(mappedNode);
if (parentContext.hasTermMapping(term, mappedNode)) {
// Already mapped in parent
return;
}
if (!isRoot() && !parentContext.hasTermMapping(term)) {
parentContext.registerTermMapping(term, mappedNode);
} else {
verifyMappingUnique(term, mappedNode);
mapping.put(term, mappedNode);
}
}
boolean isRoot() {
return parentContext == DummyTermMappingHolder.INSTANCE;
}
private void verifyMappingUnique(String term, JsonNode value) {
if (mapping.containsKey(term) && !Objects.equals(mapping.get(term), value)) {
throw new AmbiguousTermMappingException("Context already contains mapping for term '" + term + "'.");
}
}
@Override
public Map<String, JsonNode> getMapping() {
return Collections.unmodifiableMap(mapping);
}
@Override
public Optional<JsonNode> getTermMapping(String term) {
return mapping.containsKey(term) ? Optional.of(mapping.get(term)) : parentContext.getTermMapping(term);
}
@Override
public boolean hasTermMapping(String term) {
return mapping.containsKey(term) || parentContext.hasTermMapping(term);
}
@Override
boolean hasTermMapping(String term, JsonNode mappedNode) {
return mapping.containsKey(term) && mapping.get(term).equals(mappedNode);
}
@Override
boolean isEmpty() {
return mapping.isEmpty();
}
}