@Override
    public void writeExternal(ObjectOutput out) throws IOException
    {
        final ExternalizableUtil externalizableUtil = ExternalizableUtil.getInstance();
        externalizableUtil.writeSafeUTF(out, subdomain);
        externalizableUtil.writeSafeUTF(out, roomName);
        externalizableUtil.writeSafeUTF(out, nickname);
        externalizableUtil.writeSerializable(out, realJID);
        externalizableUtil.writeSerializable(out, originator);
    }
Task that informs cluster nodes that a XMPP entity is now an occupant of a MUC room.

@author Guus der Kinderen
xmppserver/src/main/java/org/jivesoftware/openfire/muc/cluster/OccupantAddedTask.java