@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
ScheduleEntityPK that = (ScheduleEntityPK) o;
if (idStation != null ? !idStation.equals(that.idStation) : that.idStation != null)
return false;
if (idTrain != null ? !idTrain.equals(that.idTrain) : that.idTrain != null) return false;
return nextStation != null ? nextStation.equals(that.nextStation) : that.nextStation == null;
}
