private void EnsureConnectedWithRobot()
        {
            if (_robotBombDefuser == null)
            {
                _robotBombDefuser = new RobotBombDefuser();
                _robotBombDefuser.ConnectWireless(_communicationWaveLength);
            }

            for (int i = 0; i < _connectionAttempts; i++)
            {
                if (_robotBombDefuser.IsConnected() != true)
                {
                    _robotBombDefuser.ConnectWireless(_communicationWaveLength);
                }
                else
                {
                    break;
                }
            }
            if (_robotBombDefuser.IsConnected() != true)
            {
                throw new BadConnectionException("No connection with remote bomb diffuser robot could be made after few attempts.");
            }
        }
 public RobotBombDefuserProxy(int communicationWaveLength)
 {
     _robotBombDefuser        = new RobotBombDefuser();
     _communicationWaveLength = communicationWaveLength;
 }