public void SendRegime(string id, BatteryRezim rezim)
        {
            if (id == null)
            {
                throw new ArgumentNullException("Id ne moze biti null!");
            }

            if (!bufferRezim.Keys.Contains(id))
            {
                throw new ArgumentException("Nepostojeci id!");
            }
            else
            {
                bufferRezim[id] = rezim;
            }
        }
 public void SendData(string id, double sentCapacity, BatteryRezim sentRegime)
 {
     if (id == null)
     {
         throw new ArgumentNullException("Id ne moze biti null!");
     }
     else if (sentCapacity < 0)
     {
         throw new ArgumentOutOfRangeException("Kapacitet ne moze biti negativan!");
     }
     else
     {
         bufferRezimi[id]     = sentRegime;
         bufferCapacities[id] = sentCapacity;
     }
 }