/** * Looks up the singleton instance for this class and returns the * return value from _fetchEmails * * @param int $userId The id of the user to process the email-accounts for. * @param int $accountId The id of the account to fetch the emails for, or null * to query all accounts * * @return array */ public static function fetchEmails($userId, Conjoon_Modules_Groupware_Email_Account $accountId) { if (!self::$_instance) { self::$_instance = new Conjoon_Modules_Groupware_Email_Letterman(); } return self::$_instance->_fetchEmails($userId, $accountId); }