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<?php
namespace Elastica\Query;
use Elastica\Exception\InvalidException;
use Elastica\Filter\AbstractFilter;
/**
* Filtered query. Needs a query and a filter.
*
* @author Nicolas Ruflin <spam@ruflin.com>
*
* @link http://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-filtered-query.html
*/
class Filtered extends AbstractQuery
{
/**
* Constructs a filtered query.
*
* @param \Elastica\Query\AbstractQuery $query OPTIONAL Query object
* @param \Elastica\Filter\AbstractFilter $filter OPTIONAL Filter object
*/
public function __construct(AbstractQuery $query = null, AbstractFilter $filter = null)
{
$this->setQuery($query);
$this->setFilter($filter);
}
/**
* Sets a query.
*
* @param \Elastica\Query\AbstractQuery $query Query object
*
* @return $this
*/
public function setQuery(AbstractQuery $query = null)
{
return $this->setParam('query', $query);
}
/**
* Sets the filter.
*
* @param \Elastica\Filter\AbstractFilter $filter Filter object
*
* @return $this
*/
public function setFilter(AbstractFilter $filter = null)
{
return $this->setParam('filter', $filter);
}
/**
* Gets the filter.
*
* @return \Elastica\Filter\AbstractFilter
*/
public function getFilter()
{
return $this->getParam('filter');
}
/**
* Gets the query.
*
* @return \Elastica\Query\AbstractQuery
*/
public function getQuery()
{
return $this->getParam('query');
}
/**
* Converts query to array.
*
* @return array Query array
*
* @see \Elastica\Query\AbstractQuery::toArray()
*/
public function toArray()
{
$filtered = array();
if ($this->hasParam('query') && $this->getParam('query') instanceof AbstractQuery) {
$filtered['query'] = $this->getParam('query')->toArray();
}
if ($this->hasParam('filter') && $this->getParam('filter') instanceof AbstractFilter) {
$filtered['filter'] = $this->getParam('filter')->toArray();
}
if (empty($filtered)) {
throw new InvalidException('A query and/or filter is required');
}
return array('filtered' => $filtered);
}
}
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