Code Coverage for /workspace/src/includes/Search/NullIndexField.php

1	<?php
2
3	namespace MediaWiki\Search;
4
5	/**
6	* Null index field - means search engine does not implement this field.
7	*/
8	class NullIndexField implements SearchIndexField {
9
10	/**
11	* Get mapping for specific search engine
12	* @param SearchEngine $engine
13	* @return array\|null Null means this field does not map to anything
14	*/
15	public function getMapping( SearchEngine $engine ) {
16	return null;
17	}
18
19	/**
20	* Set global flag for this field.
21	*
22	* @param int $flag Bit flag to set/unset
23	* @param bool $unset True if flag should be unset, false by default
24	* @return $this
25	*/
26	public function setFlag( $flag, $unset = false ) {
27	return $this;
28	}
29
30	/**
31	* Check if flag is set.
32	* @param int $flag
33	* @return int 0 if unset, !=0 if set
34	*/
35	public function checkFlag( $flag ) {
36	return 0;
37	}
38
39	/**
40	* Merge two field definitions if possible.
41	*
42	* @param SearchIndexField $that
43	* @return SearchIndexField\|false New definition or false if not mergeable.
44	*/
45	public function merge( SearchIndexField $that ) {
46	return $that;
47	}
48
49	/**
50	* @inheritDoc
51	*/
52	public function getEngineHints( SearchEngine $engine ) {
53	return [];
54	}
55	}
56
57	/** @deprecated class alias since 1.46 */
58	class_alias( NullIndexField::class, 'NullIndexField' );