public boolean isManuallyLocked() {
        return lockedTime > 0 && creationDate.getTime() != lockedTime;
    }
Returns true if the room is locked and it was locked by a room owner after the room was
initially configured.

@return true if the room is locked and it was locked by a room owner after the room was
        initially configured.
xmppserver/src/main/java/org/jivesoftware/openfire/muc/MUCRoom.java