public synchronized List < SessionId > getLoggedSessions ( ) { // TODO: Find a solution that can handle large numbers of sessions, maybe by // reading them from disc. ImmutableList . Builder < SessionId > builder = new ImmutableList . Builder <> ( ) ; builder . addAll ( perSessionDriverEntries . keySet ( ) ) ; return builder . build ( ) ; }
Returns a list of session IDs for which there are logs .