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<?php
namespace Elastica\Filter;
use Elastica\Exception\InvalidException;
use Elastica\Query\AbstractQuery;
/**
* Query filter.
*
* @author Nicolas Ruflin <spam@ruflin.com>
*
* @link http://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-query-filter.html
*/
class Query extends AbstractFilter
{
/**
* Query.
*
* @var array
*/
protected $_query;
/**
* Construct query filter.
*
* @param array|\Elastica\Query\AbstractQuery $query
*/
public function __construct($query = null)
{
if (!is_null($query)) {
$this->setQuery($query);
}
}
/**
* Set query.
*
* @param array|\Elastica\Query\AbstractQuery $query
*
* @throws \Elastica\Exception\InvalidException If parameter is invalid
*
* @return $this
*/
public function setQuery($query)
{
if (!$query instanceof AbstractQuery && !is_array($query)) {
throw new InvalidException('expected an array or instance of Elastica\Query\AbstractQuery');
}
if ($query instanceof AbstractQuery) {
$query = $query->toArray();
}
$this->_query = $query;
return $this;
}
/**
* @see \Elastica\Param::_getBaseName()
*/
protected function _getBaseName()
{
if (empty($this->_params)) {
return 'query';
} else {
return 'fquery';
}
}
/**
* @see \Elastica\Param::toArray()
*/
public function toArray()
{
$data = parent::toArray();
$name = $this->_getBaseName();
$filterData = $data[$name];
if (empty($filterData)) {
$filterData = $this->_query;
} else {
$filterData['query'] = $this->_query;
}
$data[$name] = $filterData;
return $data;
}
}
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