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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\Query\TermLevel;
use ONGR\ElasticsearchDSL\BuilderInterface;
/**
* Represents Elasticsearch "exists" query.
*
* @link https://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-exists-query.html
*/
class ExistsQuery implements BuilderInterface
{
/**
* @var string
*/
private $field;
/**
* Constructor.
*
* @param string $field Field value
*/
public function __construct($field)
{
$this->field = $field;
}
/**
* {@inheritdoc}
*/
public function getType()
{
return 'exists';
}
/**
* {@inheritdoc}
*/
public function toArray()
{
return [
$this->getType() => [
'field' => $this->field,
],
];
}
}
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