/**
* 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);
}
