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<?php
namespace Elastica\Facet;
/**
* Implements the Date Histogram facet.
*
* @author Raul Martinez Jr <juneym@gmail.com>
*
* @link http://www.elastic.co/guide/en/elasticsearch/reference/current/search-facets-date-histogram-facet.html
* @link https://github.com/elasticsearch/elasticsearch/issues/591
* @deprecated Facets are deprecated and will be removed in a future release. You are encouraged to migrate to aggregations instead.
*/
class DateHistogram extends Histogram
{
/**
* Set the time_zone parameter.
*
* @param string $tzOffset
*
* @return $this
*/
public function setTimezone($tzOffset)
{
return $this->setParam('time_zone', $tzOffset);
}
/**
* Set the factor parameter.
*
* @param int $factor
*
* @return $this
*/
public function setFactor($factor)
{
return $this->setParam('factor', $factor);
}
/**
* 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 range in the abstract as param.
*/
$this->_setFacetParam('date_histogram', $this->_params);
return $this->_facet;
}
}
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