@Override
    public void messageBroadcastedTo(final int numOccupants) {
        // Increment counter of received messages that where broadcasted by one
        inMessages.incrementAndGet();
        // Increment counter of outgoing messages with the number of room occupants
        // that received the message
        outMessages.addAndGet(numOccupants);
    }
Returns the total number of outgoing messages since last reset.

@param resetAfter True if you want the counter to be reset after results returned.
@return the number of outgoing messages through the service.
xmppserver/src/main/java/org/jivesoftware/openfire/muc/spi/MultiUserChatServiceImpl.java