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<?php
namespace Elastica\Query;
/**
* Class Boosting.
*
* @author Balazs Nadasdi <yitsushi@gmail.com>
*
* @link http://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-boosting-query.html
*/
class Boosting extends AbstractQuery
{
const NEGATIVE_BOOST = 0.2;
/**
* Set the positive query for this Boosting Query.
*
* @param AbstractQuery $query
*
* @return $this
*/
public function setPositiveQuery(AbstractQuery $query)
{
return $this->setParam('positive', $query->toArray());
}
/**
* Set the negative query for this Boosting Query.
*
* @param AbstractQuery $query
*
* @return $this
*/
public function setNegativeQuery(AbstractQuery $query)
{
return $this->setParam('negative', $query->toArray());
}
/**
* Set the negative_boost parameter for this Boosting Query.
*
* @param Float $negativeBoost
*
* @return $this
*/
public function setNegativeBoost($negativeBoost)
{
return $this->setParam('negative_boost', (float) $negativeBoost);
}
}
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