71 lines
1.5 KiB
PHP
71 lines
1.5 KiB
PHP
<?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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