/**
* Tries to get a reference to a PDO object from the database manager
* @uses Database
* @throws Exception
*/
protected function _getPDO()
{
// Get a reference to a database connection, to be used later
$this->_pdo = Database::getMysqlConncetion($this->_host, $this->_username, $this->_password, $this->_schema);
// If we didn't get a connection something is wrong
if (!$this->_pdo) {
throw new Exception('PDO connection could not be established', Exception::MESSAGE_DATABASE);
}
// We don't need this data anymore, delete it so it never gets dumped to screens.
$this->_host = $this->_username = $this->_password = '';
}
