@Override
public String getKeyColumn() {
return b.getId() + "";
}
@Override
public int compareTo(BoardingGateView o) {
return (b.getId() + "").compareTo(o.getId());
}
public String getId() {
if (b != null) return b.getId() + "";
return "";
}
@Override
public String getSelectCode() {
return b.getId() + "";
}