public function __construct(IDataSourceDriver &$driver)
{
$this->_driver =& $driver;
$matches = array();
preg_match('~([a-z0-9_-]+):([a-z0-9_-]+)@([a-z0-9_-]+)\\.([a-z0-9_-]+)~i', $driver->getDomain(), $matches);
if (5 != count($matches)) {
throw new Exception('Cannot parse driver\'s domain for dbms context');
} else {
$this->_dbUsername = $matches[1];
$this->_dbPasswd = $matches[2];
$this->_dbHost = $matches[3];
$this->_dbName = $matches[4];
}
}
/**
* @brief Retourne une instance connecté au dbms correspondant au driver
* @param $driver IDataSourceDriver driver de connexion
* @return DbmsDataSource
*/
public static function &getInstance(IDataSourceDriver &$driver)
{
if (is_null(self::$_instances)) {
self::$_instances = array();
}
$instance_key = $driver->getDomain();
if (!array_key_exists($instance_key, self::$_instances)) {
self::$_instances[$instance_key] =& self::createNew($driver);
}
self::$_instances[$instance_key]->connect();
return self::$_instances[$instance_key];
}