Skip to content
Permalink
Branch: master
Find file Copy path
Find file Copy path
Fetching contributors…
Cannot retrieve contributors at this time
71 lines (61 sloc) 1.54 KB
<?php
/**
* @link http://www.yiiframework.com/
* @copyright Copyright (c) 2008 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
namespace yii\db\conditions;
use yii\base\InvalidArgumentException;
use yii\db\Query;
/**
* Condition that represents `EXISTS` operator.
*
* @author Dmytro Naumenko <d.naumenko.a@gmail.com>
* @since 2.0.14
*/
class ExistsCondition implements ConditionInterface
{
/**
* @var string $operator the operator to use (e.g. `EXISTS` or `NOT EXISTS`)
*/
private $operator;
/**
* @var Query the [[Query]] object representing the sub-query.
*/
private $query;
/**
* ExistsCondition constructor.
*
* @param string $operator the operator to use (e.g. `EXISTS` or `NOT EXISTS`)
* @param Query $query the [[Query]] object representing the sub-query.
*/
public function __construct($operator, $query)
{
$this->operator = $operator;
$this->query = $query;
}
/**
* {@inheritdoc}
*/
public static function fromArrayDefinition($operator, $operands)
{
if (!isset($operands[0]) || !$operands[0] instanceof Query) {
throw new InvalidArgumentException('Subquery for EXISTS operator must be a Query object.');
}
return new static($operator, $operands[0]);
}
/**
* @return string
*/
public function getOperator()
{
return $this->operator;
}
/**
* @return Query
*/
public function getQuery()
{
return $this->query;
}
}
You can’t perform that action at this time.