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41 lines
1.0 KiB
41 lines
1.0 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\mutex; |
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use Yii; |
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use yii\db\Connection; |
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use yii\base\InvalidConfigException; |
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/** |
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* @author resurtm <resurtm@gmail.com> |
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* @since 2.0 |
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*/ |
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abstract class DbMutex extends Mutex |
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{ |
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/** |
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* @var Connection|string the DB connection object or the application component ID of the DB connection. |
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* After the Mutex object is created, if you want to change this property, you should only assign |
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* it with a DB connection object. |
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*/ |
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public $db = 'db'; |
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/** |
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* Initializes generic database table based mutex implementation. |
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* @throws InvalidConfigException if [[db]] is invalid. |
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*/ |
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public function init() |
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{ |
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parent::init(); |
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if (is_string($this->db)) { |
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$this->db = Yii::$app->getComponent($this->db); |
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} |
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if (!$this->db instanceof Connection) { |
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throw new InvalidConfigException('Mutex::db must be either a DB connection instance or the application component ID of a DB connection.'); |
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} |
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} |
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}
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