public function init()
{
parent::init();
if (is_string($this->ssdb)) {
$this->ssdb = \Yii::$app->get($this->ssdb);
} elseif (is_array($this->ssdb)) {
if (!isset($this->ssdb['class'])) {
$this->ssdb['class'] = Connection::className();
}
$this->ssdb = \Yii::createObject($this->ssdb);
}
if (!$this->ssdb instanceof Connection) {
throw new InvalidConfigException("Cache::ssdb must be either a Ssdb Connection instance or the application component ID of a ssdb Connection.");
}
if ($this->cache_keys_hash === "") {
$this->{$cache_keys_hash} = substr(md5(Yii::$app->id), 0, 5) . "___";
}
}
/**
* Initializes the DB connection component.
* This method will initialize the [[db]] property to make sure it refers to a valid DB connection.
* @throws InvalidConfigException if [[db]] is invalid.
*/
public function init()
{
parent::init();
if (is_string($this->db)) {
$this->db = Instance::ensure($this->db, Connection::className());
}
}
