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<?php
namespace Elastica\Query;
use Elastica\Exception\InvalidException;
/**
* Terms query.
*
* @author Nicolas Ruflin <spam@ruflin.com>
*
* @link http://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-terms-query.html
*/
class Terms extends AbstractQuery
{
/**
* Terms.
*
* @var array Terms
*/
protected $_terms = array();
/**
* Params.
*
* @var array Params
*/
protected $_params = array();
/**
* Terms key.
*
* @var string Terms key
*/
protected $_key = '';
/**
* Construct terms query.
*
* @param string $key OPTIONAL Terms key
* @param array $terms OPTIONAL Terms list
*/
public function __construct($key = '', array $terms = array())
{
$this->setTerms($key, $terms);
}
/**
* Sets key and terms for the query.
*
* @param string $key Terms key
* @param array $terms Terms for the query.
*
* @return $this
*/
public function setTerms($key, array $terms)
{
$this->_key = $key;
$this->_terms = array_values($terms);
return $this;
}
/**
* Adds a single term to the list.
*
* @param string $term Term
*
* @return $this
*/
public function addTerm($term)
{
$this->_terms[] = $term;
return $this;
}
/**
* Sets the minimum matching values.
*
* @param int $minimum Minimum value
*
* @return $this
*/
public function setMinimumMatch($minimum)
{
return $this->setParam('minimum_match', (int) $minimum);
}
/**
* Converts the terms object to an array.
*
* @see \Elastica\Query\AbstractQuery::toArray()
*
* @throws \Elastica\Exception\InvalidException If term key is empty
*
* @return array Query array
*/
public function toArray()
{
if (empty($this->_key)) {
throw new InvalidException('Terms key has to be set');
}
$this->setParam($this->_key, $this->_terms);
return parent::toArray();
}
}
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