/**
* 对指定键名解锁
* 此方法可用于防止惊群现象发生,在get方法获取键值无效时,判断键名是否加锁
* @param string $key 键名
* @return boolean 是否成功
*/
public function isLock($key)
{
if ($this->driver->checkDriver()) {
if (method_exists($this->driver, 'isLock')) {
return $this->driver->isLock($key);
} else {
return $this->driver->has(self::lockKey($key));
}
}
if ($this->driver->isFallback() && $this->type !== self::$config['fallback']) {
return $this->driver->backup()->isLock($key);
}
return false;
}
