blob: 40d4f55a32f4b7ee09432506f8d8846704dace01 (
plain)
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
|
<?php
namespace SMW\Exporter\ResourceBuilders;
use SMW\DIProperty;
use SMWDataItem as DataItem;
use SMWExpData as ExpData;
/**
* @private
*
* @license GNU GPL v2+
* @since 2.5
*
* @author mwjames
*/
class UniquenessConstraintPropertyValueResourceBuilder extends PropertyValueResourceBuilder {
/**
* @since 2.5
*
* {@inheritDoc}
*/
public function isResourceBuilderFor( DIProperty $property ) {
return $property->getKey() === '_PVUC';
}
/**
* @since 2.5
*
* {@inheritDoc}
*/
public function addResourceValue( ExpData $expData, DIProperty $property, DataItem $dataItem ) {
parent::addResourceValue( $expData, $property, $dataItem );
// https://www.w3.org/TR/2004/REC-owl-ref-20040210/#FunctionalProperty-def
//
// "A functional property is a property that can have only one (unique)
// value y for each instance x ..."
$expData->addPropertyObjectValue(
$this->exporter->getSpecialNsResource( 'rdf', 'type' ),
$this->exporter->getSpecialNsResource( 'owl', 'FunctionalProperty' )
);
}
}
|
