private void fillInitData(final GameRoom gameRoom) {
    gameRoom.setStatus(Status.NORMAL);

    gameRoom.getPlayers().add(gameRoom.getOwner());
    gameRoom.getPlayerRankMap().put(1, gameRoom.getOwner());

    final Date now = new Date();
    gameRoom.setCreated(now);
    gameRoom.setUpdated(now);

    gameRoom.setEnabled(Enabled.TRUE);
  }
 private void deleteOperation(GameRoom gameRoom) throws JsonProcessingException {
   gameRoom.setEnabled(Enabled.FALSE);
   gameRoom.getPlayers().clear();
   gameRoom.getPlayerRankMap().clear();
   gameRoom.setDeleted(new Date());
 }