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<?php
namespace Elastica\Facet;
/**
* Implements the Geo Distance facet.
*
* @category Xodoa
* @package Elastica
* @author Gerard A. Matthew <gerard.matthew@gmail.com>
* @link http://www.elasticsearch.org/guide/reference/api/search/facets/geo-distance-facet.html
*/
class GeoDistance extends AbstractFacet
{
/**
* Sets the ranges for the facet all at once.
* Sample ranges:
* array (
* array('to' => 50),
* array('from' => 20, 'to' => 70),
* array('from' => 70, 'to' => 120),
* array('from' => 150)
* )
*
* @param array $ranges Numerical array with range definitions.
* @return \Elastica\Facet\GeoDistance
*/
public function setRanges(array $ranges)
{
return $this->setParam('ranges', $ranges);
}
/**
* Set the relative GeoPoint for the facet.
*
* @param string $typeField index type and field e.g foo.bar
* @param float $latitude
* @param float $longitude
* @return \Elastica\Facet\GeoDistance
*/
public function setGeoPoint($typeField, $latitude, $longitude)
{
return $this->setParam($typeField, array(
"lat" => $latitude,
"lon" => $longitude,
));
}
/**
* Creates the full facet definition, which includes the basic
* facet definition of the parent.
*
* @see \Elastica\Facet\AbstractFacet::toArray()
* @throws \Elastica\Exception\InvalidException When the right fields haven't been set.
* @return array
*/
public function toArray()
{
/**
* Set the geo_distance in the abstract as param.
*/
$this->_setFacetParam ('geo_distance', $this->_params);
return parent::toArray();
}
}
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