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<?php
namespace Elastica\Aggregation;
use Elastica\Exception\InvalidException;
/**
* Class Range.
*
* @link http://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-range-aggregation.html
*/
class Range extends AbstractSimpleAggregation
{
/**
* Add a range to this aggregation.
*
* @param int|float $fromValue low end of this range, exclusive (greater than or equal to)
* @param int|float $toValue high end of this range, exclusive (less than)
* @param string $key customized key value
*
* @throws \Elastica\Exception\InvalidException
*
* @return $this
*/
public function addRange($fromValue = null, $toValue = null, $key = null)
{
if (is_null($fromValue) && is_null($toValue)) {
throw new InvalidException('Either fromValue or toValue must be set. Both cannot be null.');
}
$range = array();
if (!is_null($fromValue)) {
$range['from'] = $fromValue;
}
if (!is_null($toValue)) {
$range['to'] = $toValue;
}
if (!is_null($key)) {
$range['key'] = $key;
}
return $this->addParam('ranges', $range);
}
/**
* If set to true, a unique string key will be associated with each bucket, and ranges will be returned as an associative array.
*
* @param bool $keyed
*
* @return $this
*/
public function setKeyedResponse($keyed = true)
{
return $this->setParam('keyed', (bool) $keyed);
}
}
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