@Override
    public void deserialize(Buffer buf) {
        cellId = buf.readShort();
        if (cellId < 0 || cellId > 559)
            throw new RuntimeException("Forbidden value on cellId = " + cellId + ", it doesn't respect the following condition : cellId < 0 || cellId > 559");
        objectGID = buf.readShort();
        if (objectGID < 0)
            throw new RuntimeException("Forbidden value on objectGID = " + objectGID + ", it doesn't respect the following condition : objectGID < 0");
    }