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70 lines
1.5 KiB
70 lines
1.5 KiB
<?php |
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/** |
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* @link http://www.yiiframework.com/ |
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* @copyright Copyright (c) 2008 Yii Software LLC |
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* @license http://www.yiiframework.com/license/ |
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*/ |
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namespace yii\db\conditions; |
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use yii\base\InvalidArgumentException; |
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use yii\db\Query; |
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/** |
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* Condition that represents `EXISTS` operator. |
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* |
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* @author Dmytro Naumenko <d.naumenko.a@gmail.com> |
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* @since 2.0.14 |
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*/ |
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class ExistsCondition implements ConditionInterface |
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{ |
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/** |
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* @var string $operator the operator to use (e.g. `EXISTS` or `NOT EXISTS`) |
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*/ |
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private $operator; |
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/** |
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* @var Query the [[Query]] object representing the sub-query. |
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*/ |
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private $query; |
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/** |
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* ExistsCondition constructor. |
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* |
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* @param string $operator the operator to use (e.g. `EXISTS` or `NOT EXISTS`) |
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* @param Query $query the [[Query]] object representing the sub-query. |
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*/ |
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public function __construct($operator, $query) |
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{ |
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$this->operator = $operator; |
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$this->query = $query; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public static function fromArrayDefinition($operator, $operands) |
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{ |
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if (!isset($operands[0]) || !$operands[0] instanceof Query) { |
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throw new InvalidArgumentException('Subquery for EXISTS operator must be a Query object.'); |
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} |
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return new static($operator, $operands[0]); |
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} |
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/** |
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* @return string |
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*/ |
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public function getOperator() |
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{ |
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return $this->operator; |
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} |
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/** |
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* @return Query |
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*/ |
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public function getQuery() |
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{ |
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return $this->query; |
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} |
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}
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