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<?php
/*
* This file is part of the ONGR package.
*
* (c) NFQ Technologies UAB <[email protected]>
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace ONGR\ElasticsearchDSL\Aggregation\Bucketing;
use ONGR\ElasticsearchDSL\Aggregation\AbstractAggregation;
use ONGR\ElasticsearchDSL\Aggregation\Type\BucketingTrait;
/**
* Class representing ChildrenAggregation.
* @link https://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-children-aggregation.html
class ChildrenAggregation extends AbstractAggregation
{
use BucketingTrait;
* @var string
private $children;
* Return children.
* @return string
public function getChildren()
return $this->children;
}
* @param string $name
* @param string $children
public function __construct($name, $children = null)
parent::__construct($name);
$this->setChildren($children);
* Sets children.
public function setChildren($children)
$this->children = $children;
* {@inheritdoc}
public function getType()
return 'children';
public function getArray()
if (count($this->getAggregations()) == 0) {
throw new \LogicException("Children aggregation `{$this->getName()}` has no aggregations added");
return ['type' => $this->getChildren()];