static function open($save_path, $session_name)
{
$session_db_connection = Pie_Config::get('pie', 'session', 'dbConnection', null);
if (!empty($session_db_connection)) {
// use the DB for session
$session_db_table = Pie_Config::get('pie', 'session', 'dbTable', null);
if (empty($session_db_table)) {
throw new Pie_Exception_WrongType(array('field' => 'session_db_table', 'type' => 'string'));
}
$session_db_data_field = Pie_Config::get('pie', 'session', 'dbDataField', null);
if (empty($session_db_table)) {
throw new Pie_Exception_WrongType(array('field' => 'session_db_data_field', 'type' => 'string'));
}
$session_db_id_field = Pie_Config::get('pie', 'session', 'dbIdField', null);
if (empty($session_db_id_field)) {
throw new Pie_Exception_WrongType(array('field' => 'session_db_id_field', 'type' => 'string'));
}
$session_db_updated_field = Pie_Config::get('pie', 'session', 'dbUpdatedField', null);
if (empty($session_db_updated_field)) {
throw new Pie_Exception_WrongType(array('field' => 'session_db_updated_field', 'type' => 'string'));
}
$session_db_row_class = Pie_Config::get('pie', 'session', 'dbRowClass', null);
if (empty($session_db_row_class) or !class_exists($session_db_row_class)) {
throw new Pie_Exception_WrongType(array('field' => 'session_db_row_class', 'type' => 'a class name'));
}
$class = $session_db_row_class;
$ancestors = array($class);
while ($class = get_parent_class($class)) {
$ancestors[] = $class;
}
if (!in_array('Db_Row', $ancestors)) {
throw new Pie_Exception_WrongType(array('field' => 'session_db_row_class', 'type' => 'name of a class that extends Db_Row'));
}
self::$session_db_connection = $session_db_connection;
self::$session_db_table = $session_db_table;
self::$session_db_data_field = $session_db_data_field;
self::$session_db_id_field = $session_db_id_field;
self::$session_db_updated_field = $session_db_updated_field;
self::$session_db_row_class = $session_db_row_class;
self::$session_db = Db::connect(self::$session_db_connection);
}
self::$session_save_path = $save_path;
return true;
}