Code Coverage for /workspace/src/extensions/WikibaseCirrusSearch/src/Fields/AllLabelsField.php

1	<?php
2	namespace Wikibase\Search\Elastic\Fields;
3
4	use CirrusSearch\CirrusSearch;
5	use SearchEngine;
6	use Wikibase\DataModel\Entity\EntityDocument;
7
8	/**
9	* Field which contains combination of all labels.
10	*
11	* @license GPL-2.0-or-later
12	* @author Stas Malyshev
13	*/
14	class AllLabelsField extends TermIndexField {
15
16	/**
17	* Field name
18	*/
19	public const NAME = 'labels_all';
20
21	public function __construct() {
22	parent::__construct( static::NAME, \SearchIndexField::INDEX_TYPE_TEXT );
23	}
24
25	/**
26	* @param SearchEngine $engine
27	* @return array
28	*/
29	public function getMapping( SearchEngine $engine ) {
30	// Since we need a specially tuned field, we can not use
31	// standard search engine types.
32	if ( !( $engine instanceof CirrusSearch ) ) {
33	// For now only Cirrus/Elastic is supported
34	return [];
35	}
36
37	$config = $this->getUnindexedField();
38	$config['fields']['prefix'] =
39	$this->getSubfield( 'prefix_asciifolding', 'near_match_asciifolding' );
40	$config['fields']['near_match_folded'] = $this->getSubfield( 'near_match_asciifolding' );
41	$config['fields']['plain'] = $this->getTokenizedSubfield( $engine->getConfig(),
42	'plain', 'plain_search' );
43
44	return $config;
45	}
46
47	/**
48	* @param EntityDocument $entity
49	*
50	* @return null Always returns null since this field is filled in by copy from other fields.
51	*/
52	public function getFieldData( EntityDocument $entity ) {
53	// All-labels has no data, it is assembled from individual fields by Elastic via copy_to.
54	return null;
55	}
56
57	}