|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Wikibase\DataModel\Snak; |
|
4
|
|
|
|
|
5
|
|
|
use InvalidArgumentException; |
|
6
|
|
|
use Wikibase\DataModel\Entity\EntityId; |
|
7
|
|
|
use Wikibase\DataModel\Entity\Property; |
|
8
|
|
|
use Wikibase\DataModel\Entity\PropertyId; |
|
9
|
|
|
|
|
10
|
|
|
/** |
|
11
|
|
|
* Base class for snaks. |
|
12
|
|
|
* See https://www.mediawiki.org/wiki/Wikibase/DataModel#Snaks |
|
13
|
|
|
* |
|
14
|
|
|
* @since 0.1 |
|
15
|
|
|
* |
|
16
|
|
|
* @license GPL-2.0+ |
|
17
|
|
|
* @author Jeroen De Dauw < [email protected] > |
|
18
|
|
|
*/ |
|
19
|
|
|
abstract class SnakObject implements Snak { |
|
20
|
|
|
|
|
21
|
|
|
/** |
|
22
|
|
|
* @since 0.1 |
|
23
|
|
|
* |
|
24
|
|
|
* @var PropertyId |
|
25
|
|
|
*/ |
|
26
|
|
|
protected $propertyId; |
|
27
|
|
|
|
|
28
|
|
|
/** |
|
29
|
|
|
* Support for passing in an EntityId instance that is not a PropertyId instance has |
|
30
|
|
|
* been deprecated since 0.5. |
|
31
|
|
|
* |
|
32
|
|
|
* @since 0.1 |
|
33
|
|
|
* |
|
34
|
|
|
* @param PropertyId|EntityId|int $propertyId |
|
35
|
|
|
* |
|
36
|
|
|
* @throws InvalidArgumentException |
|
37
|
|
|
*/ |
|
38
|
|
|
public function __construct( $propertyId ) { |
|
39
|
|
|
if ( is_int( $propertyId ) ) { |
|
40
|
|
|
$propertyId = PropertyId::newFromNumber( $propertyId ); |
|
41
|
|
|
} |
|
42
|
|
|
|
|
43
|
|
|
if ( !( $propertyId instanceof EntityId ) ) { |
|
44
|
|
|
throw new InvalidArgumentException( '$propertyId must be an instance of EntityId' ); |
|
45
|
|
|
} |
|
46
|
|
|
|
|
47
|
|
|
if ( $propertyId->getEntityType() !== Property::ENTITY_TYPE ) { |
|
48
|
|
|
throw new InvalidArgumentException( '$propertyId must have an entityType of ' . Property::ENTITY_TYPE ); |
|
49
|
|
|
} |
|
50
|
|
|
|
|
51
|
|
|
if ( !( $propertyId instanceof PropertyId ) ) { |
|
52
|
|
|
$propertyId = new PropertyId( $propertyId->getSerialization() ); |
|
53
|
|
|
} |
|
54
|
|
|
|
|
55
|
|
|
$this->propertyId = $propertyId; |
|
56
|
|
|
} |
|
57
|
|
|
|
|
58
|
|
|
/** |
|
59
|
|
|
* @see PropertyIdProvider::getPropertyId |
|
60
|
|
|
* |
|
61
|
|
|
* @since 0.1 |
|
62
|
|
|
* |
|
63
|
|
|
* @return PropertyId |
|
64
|
|
|
*/ |
|
65
|
|
|
public function getPropertyId() { |
|
66
|
|
|
return $this->propertyId; |
|
67
|
|
|
} |
|
68
|
|
|
|
|
69
|
|
|
/** |
|
70
|
|
|
* @see Hashable::getHash |
|
71
|
|
|
* |
|
72
|
|
|
* @return string |
|
73
|
|
|
*/ |
|
74
|
|
|
public function getHash() { |
|
75
|
|
|
return sha1( serialize( $this ) ); |
|
76
|
|
|
} |
|
77
|
|
|
|
|
78
|
|
|
/** |
|
79
|
|
|
* @see Comparable::equals |
|
80
|
|
|
* |
|
81
|
|
|
* @since 0.3 |
|
82
|
|
|
* |
|
83
|
|
|
* @param mixed $target |
|
84
|
|
|
* |
|
85
|
|
|
* @return bool |
|
86
|
|
|
*/ |
|
87
|
|
|
public function equals( $target ) { |
|
88
|
|
|
if ( $this === $target ) { |
|
89
|
|
|
return true; |
|
90
|
|
|
} |
|
91
|
|
|
|
|
92
|
|
|
return is_object( $target ) |
|
93
|
|
|
&& get_called_class() === get_class( $target ) |
|
94
|
|
|
&& $this->getHash() === $target->getHash(); |
|
95
|
|
|
} |
|
96
|
|
|
|
|
97
|
|
|
/** |
|
98
|
|
|
* @see Serializable::serialize |
|
99
|
|
|
* |
|
100
|
|
|
* @since 0.1 |
|
101
|
|
|
* |
|
102
|
|
|
* @return string |
|
103
|
|
|
*/ |
|
104
|
|
|
public function serialize() { |
|
105
|
|
|
return serialize( $this->propertyId->getNumericId() ); |
|
106
|
|
|
} |
|
107
|
|
|
|
|
108
|
|
|
/** |
|
109
|
|
|
* @see Serializable::unserialize |
|
110
|
|
|
* |
|
111
|
|
|
* @since 0.1 |
|
112
|
|
|
* |
|
113
|
|
|
* @param string $serialized |
|
114
|
|
|
*/ |
|
115
|
|
|
public function unserialize( $serialized ) { |
|
116
|
|
|
$this->propertyId = PropertyId::newFromNumber( unserialize( $serialized ) ); |
|
117
|
|
|
} |
|
118
|
|
|
|
|
119
|
|
|
} |
|
120
|
|
|
|
wmde /
WikibaseDataModel
