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<?php
namespace Elastica\Aggregation;
use Elastica\Filter\AbstractFilter;
/**
* Class Filter
* @package Elastica\Aggregation
* @link http://www.elasticsearch.org/guide/en/elasticsearch/reference/master/search-aggregations-bucket-filter-aggregation.html
*/
class Filter extends AbstractAggregation
{
/**
* Set the filter for this aggregation
* @param AbstractFilter $filter
* @return Filter
*/
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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