/**
* Retrieves connection identifier
*
* @param DSN $dsn
* @return mixed
*/
public function connect(DSN $dsn)
{
$connection = mysql_connect($dsn->getHost(), $dsn->getUserName(), $dsn->getPassword());
if (!$connection) {
throw new ConnectionErrorException(mysql_error());
}
return $connection;
}
/**
* Constructor
*
* @param string|DSN $dsn
*/
public function __construct($dsn)
{
$dsn = new DSN($dsn);
$this->_adapter = Factory::createAdapter($dsn->getType());
$this->_connection = $this->_adapter->connect($dsn);
}