@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (obj == null) return false;
if (getClass() != obj.getClass()) return false;
TaxiOrder other = (TaxiOrder) obj;
if (position == null) {
if (other.position != null) return false;
} else if (!position.equals(other.position)) return false;
if (taxi == null) {
if (other.taxi != null) return false;
} else if (!taxi.equals(other.taxi)) return false;
return true;
}
