question: private static void notifyListeners ( final DistributedMember member , final boolean client , final EventType typeOfEvent ) { startMonitoring ( ) ; ThreadPoolExecutor queuedExecutor = executor ; if ( queuedExecutor == null ) { return ; } final ClientMembershipEvent event = new InternalClientMembershipEvent ( member , client ) ; if ( forceSynchronous ) { doNotifyClientMembershipListener ( member , client , event , typeOfEvent ) ; } else { try { queuedExecutor . execute ( null ) ; } catch ( RejectedExecutionException e ) { } } }
target:  Notifies registered listeners that a Client member has joined. The new member may be a client connecting to this process or a server that this process has just connected to.