blob: 50c69dd59e35cefcc3515f3bbf2e32e1d2a28355 (
plain) (
blame)
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
|
// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.document.annotation;
import com.yahoo.document.DataType;
import com.yahoo.document.datatypes.FieldValue;
/**
* A data type describing a field value having a reference to an annotation of a given type.
*
* @author Einar M R Rosenvinge
*/
public class AnnotationReferenceDataType extends DataType {
private AnnotationType aType;
/**
* Creates an AnnotationReferenceDataType with a generated id.
*
* @param aType the annotation type that AnnotationRefs shall refer to
*/
public AnnotationReferenceDataType(AnnotationType aType) {
super("annotationreference<" + ((aType == null) ? "" : aType.getName()) + ">", 0);
setAnnotationType(aType);
}
/**
* Creates an AnnotationReferenceDataType with a given id.
*
* @param aType the annotation type that AnnotationRefs shall refer to
* @param id the id to use
*/
public AnnotationReferenceDataType(AnnotationType aType, int id) {
super("annotationreference<" + ((aType == null) ? "" : aType.getName()) + ">", id);
this.aType = aType;
}
/**
* Creates an AnnotationReferenceDataType. WARNING! Do not use!
*/
protected AnnotationReferenceDataType() {
super("annotationreference<>", 0);
}
private int createId() {
//TODO: This should be Java's hashCode(), since all other data types use it, and using something else here will probably lead to collisions
return getName().toLowerCase().hashCode();
}
@Override
public FieldValue createFieldValue() {
return new AnnotationReference(this);
}
@Override
public Class getValueClass() {
return AnnotationReference.class;
}
@Override
public boolean isValueCompatible(FieldValue value) {
if (!(value instanceof AnnotationReference)) {
return false;
}
AnnotationReference reference = (AnnotationReference) value;
if (equals(reference.getDataType())) {
return true;
}
return false;
}
/**
* Returns the annotation type of this AnnotationReferenceDataType.
*
* @return the annotation type of this AnnotationReferenceDataType.
*/
public AnnotationType getAnnotationType() {
return aType;
}
/**
* Sets the annotation type that this AnnotationReferenceDataType points to. WARNING! Do not use.
* @param type the annotation type of this AnnotationReferenceDataType.
*/
protected void setAnnotationType(AnnotationType type) {
this.aType = type;
setId(createId());
}
}
|
