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<?php
namespace Elastica\Filter;
use Elastica\Exception\InvalidException;
/**
* Geo bounding box filter
*
* @category Xodoa
* @package Elastica
* @author Fabian Vogler <fabian@equivalence.ch>
* @link http://www.elasticsearch.org/guide/reference/query-dsl/geo-bounding-box-filter.html
*/
class GeoBoundingBox extends AbstractFilter
{
/**
* Construct BoundingBoxFilter
*
* @param string $key Key
* @param array $coordinates Array with top left coordinate as first and bottom right coordinate as second element
*/
public function __construct($key, array $coordinates)
{
$this->addCoordinates($key, $coordinates);
}
/**
* Add coordinates
*
* @param string $key Key
* @param array $coordinates Array with top left coordinate as first and bottom right coordinate as second element
* @throws \Elastica\Exception\InvalidException If $coordinates doesn't have two elements
* @return \Elastica\Filter\GeoBoundingBox Current object
*/
public function addCoordinates($key, array $coordinates)
{
if (!isset($coordinates[0]) || !isset($coordinates[1])) {
throw new InvalidException('expected $coordinates to be an array with two elements');
}
$this->setParam($key, array(
'top_left' => $coordinates[0],
'bottom_right' => $coordinates[1]
));
return $this;
}
}
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