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TopHitsAggregation.php
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TopHitsAggregation.php
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<?php
/*
* This file is part of the ONGR package.
*
* (c) NFQ Technologies UAB <info@nfq.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace ONGR\ElasticsearchDSL\Aggregation;
use ONGR\ElasticsearchDSL\Aggregation\Type\MetricTrait;
use ONGR\ElasticsearchDSL\BuilderInterface;
/**
* Top hits aggregation.
*/
class TopHitsAggregation extends AbstractAggregation
{
use MetricTrait;
/**
* @var int Number of top matching hits to return per bucket.
*/
private $size;
/**
* @var int The offset from the first result you want to fetch.
*/
private $from;
/**
* @var BuilderInterface How the top matching hits should be sorted.
*/
private $sort;
/**
* Constructor for top hits.
*
* @param string $name Aggregation name.
* @param null|int $size Number of top matching hits to return per bucket.
* @param null|int $from The offset from the first result you want to fetch.
* @param null|BuilderInterface $sort How the top matching hits should be sorted.
*/
public function __construct($name, $size = null, $from = null, $sort = null)
{
parent::__construct($name);
$this->setFrom($from);
$this->setSize($size);
$this->setSort($sort);
}
/**
* Return from.
*
* @return int
*/
public function getFrom()
{
return $this->from;
}
/**
* Set from.
*
* @param int $from
*/
public function setFrom($from)
{
$this->from = $from;
}
/**
* Return sort.
*
* @return BuilderInterface
*/
public function getSort()
{
return $this->sort;
}
/**
* Set sort.
*
* @param BuilderInterface $sort
*/
public function setSort($sort)
{
$this->sort = $sort;
}
/**
* Set size.
*
* @param int $size
*/
public function setSize($size)
{
$this->size = $size;
}
/**
* Return size.
*
* @return int
*/
public function getSize()
{
return $this->size;
}
/**
* {@inheritdoc}
*/
public function getType()
{
return 'top_hits';
}
/**
* {@inheritdoc}
*/
public function getArray()
{
$output = array_filter(
[
'sort' => $this->getSort() ? $this->getSort()->toArray() : null,
'size' => $this->getSize(),
'from' => $this->getFrom(),
],
function ($val) {
return (($val || is_array($val) || ($val || is_numeric($val))));
}
);
$output = $this->processArray($output);
return empty($output) ? new \stdClass() : $output;
}
}