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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\Sort;
use ONGR\ElasticsearchDSL\BuilderInterface;
use ONGR\ElasticsearchDSL\ParametersTrait;
/**
* Represents Elasticsearch "nested" sort filter.
*
* @link https://www.elastic.co/guide/en/elasticsearch/reference/current/filter-dsl-nested-filter.html
*/
class NestedSort implements BuilderInterface
{
use ParametersTrait;
/**
* @var string
*/
private $path;
/**
* @var BuilderInterface
*/
private $filter;
/**
* @var BuilderInterface
*/
private $nestedFilter;
/**
* @param string $path
* @param BuilderInterface $filter
* @param array $parameters
*/
public function __construct(
$path,
BuilderInterface $filter = null,
array $parameters = []
) {
$this->path = $path;
$this->filter = $filter;
$this->setParameters($parameters);
}
/**
* {@inheritdoc}
*/
public function getType()
{
return 'nested';
}
/**
* {@inheritdoc}
*/
public function toArray()
{
$output = [
'path' => $this->path,
];
if ($this->filter) {
$output['filter'] = $this->filter->toArray();
}
if ($this->nestedFilter) {
$output[$this->getType()] = $this->nestedFilter->toArray();
}
return $this->processArray($output);
}
/**
* Returns nested filter object.
*
* @return BuilderInterface
*/
public function getFilter()
{
return $this->filter;
}
/**
* Returns path this filter is set for.
*
* @return string
*/
public function getPath()
{
return $this->path;
}
/**
* @return BuilderInterface
*/
public function getNestedFilter()
{
return $this->nestedFilter;
}
/**
* @param BuilderInterface $nestedFilter
*
* @return $this
*/
public function setNestedFilter(BuilderInterface $nestedFilter)
{
$this->nestedFilter = $nestedFilter;
return $this;
}
}
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