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<?php
namespace Elastica\Aggregation;
use Elastica\Filter\AbstractFilter;
/**
* Class Filter.
*
* @link http://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-filter-aggregation.html
*/
class Filter extends AbstractAggregation
{
/**
* @param string $name
* @param AbstractFilter $filter
*/
public function __construct($name, AbstractFilter $filter = null)
{
parent::__construct($name);
if ($filter !== null) {
$this->setFilter($filter);
}
}
/**
* Set the filter for this aggregation.
*
* @param AbstractFilter $filter
*
* @return $this
*/
public function setFilter(AbstractFilter $filter)
{
return $this->setParam('filter', $filter->toArray());
}
/**
* @return array
*/
public function toArray()
{
$array = array(
'filter' => $this->getParam('filter'),
);
if ($this->_aggs) {
$array['aggs'] = $this->_aggs;
}
return $array;
}
}
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