NinjaMutex\Tests\Mock\MockPDO::_mock_is_free_lock PHP 메소드

    protected function _mock_is_free_lock($key)
    {
        if (isset(self::$data[$key])) {
            return $this->_mock_pdo_statement->_mock_set_fetch("0");
        }
        return $this->_mock_pdo_statement->_mock_set_fetch("1");
    }