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<?php
namespace Elastica\Query;
use Elastica\Query as BaseQuery;
/**
* Returns parent documents having child docs matching the query.
*
* @author Fabian Vogler <fabian@equivalence.ch>
*
* @link http://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-has-child-query.html
*/
class HasChild extends AbstractQuery
{
/**
* Construct HasChild Query.
*
* @param string|\Elastica\Query|\Elastica\Query\AbstractQuery $query
* @param string $type Parent document type
*/
public function __construct($query, $type = null)
{
$this->setType($type);
$this->setQuery($query);
}
/**
* Sets query object.
*
* @param string|\Elastica\Query|\Elastica\Query\AbstractQuery $query
*
* @return $this
*/
public function setQuery($query)
{
$query = BaseQuery::create($query);
$data = $query->toArray();
return $this->setParam('query', $data['query']);
}
/**
* Set type of the parent document.
*
* @param string $type Parent document type
*
* @return $this
*/
public function setType($type)
{
return $this->setParam('type', $type);
}
/**
* Sets the scope.
*
* @param string $scope Scope
*
* @return $this
*/
public function setScope($scope)
{
return $this->setParam('_scope', $scope);
}
}
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