Code Coverage for /workspace/src/extensions/CirrusSearch/includes/Search/Rescore/FunctionScoreDecorator.php

1	<?php
2
3	namespace CirrusSearch\Search\Rescore;
4
5	use Elastica\Query\AbstractQuery;
6	use Elastica\Query\FunctionScore;
7
8	/**
9	* This is useful to check if the function score is empty
10	* Function score builders may not add any function if some
11	* criteria are not met. If there's no function we should not
12	* not build the rescore query.
13	* @todo: find another pattern to deal with this problem and avoid
14	* this strong dependency to FunctionScore::addFunction signature.
15	*/
16	class FunctionScoreDecorator extends FunctionScore {
17	/** @var int */
18	private $size = 0;
19
20	/**
21	* @param string $functionType
22	* @param array\|float $functionParams
23	* @param AbstractQuery\|null $filter
24	* @param float\|null $weight
25	* @return self
26	*/
27	public function addFunction( $functionType, $functionParams, AbstractQuery $filter = null,
28	$weight = null
29	) {
30	$this->size ++;
31
32	parent::addFunction( $functionType, $functionParams, $filter, $weight );
33	return $this;
34	}
35
36	/**
37	* @return bool true if this function score is empty
38	*/
39	public function isEmptyFunction() {
40	return $this->size == 0;
41	}
42
43	/**
44	* @return int the number of added functions.
45	*/
46	public function getSize() {
47	return $this->size;
48	}
49
50	/**
51	* Default elastica behaviour is to use class name
52	* as property name. We must override this function
53	* to force the name to function_score
54	*
55	* @return string
56	*/
57	protected function _getBaseName() {
58	return "function_score";
59	}
60	}