Doctrine\DBAL\Connection::getTransactionIsolation PHP 메소드

    public function getTransactionIsolation()
    {
        if (null === $this->_transactionIsolationLevel) {
            $this->_transactionIsolationLevel = $this->getDatabasePlatform()->getDefaultTransactionIsolationLevel();
        }
        return $this->_transactionIsolationLevel;
    }