this.legs = legs;
this.totalCost = totalCost;
}public BigDecimal getTotalCost() {
return totalCost;
}public boolean isNonStop() {
return (legs.size() == 1);
}public Airport getDepartFrom() {
return getFirstLeg().getDepartFrom();
}private FlightLeg getFirstLeg() {
return legs.get(0);
}private FlightLeg getLastLeg() {
return legs.get(legs.size()-1);
}public Airport getArrivalAt() {
return getLastLeg().getArriveAt();
}public int getNumberOfLegs() {
return legs.size();
}/**
* @return number of milliseconds for total travel time
*/
public long getTotalTravelTime() {
Date start = getFirstLeg().getDepartOn();
Date end = getLastLeg().getArriveOn();
Assert.isTrue(end.compareTo(start) > 0,
"Start date must be before end date");return (end.getTime() - start.getTime());
}
}
CHAPTER 4 ■JUMP INTO SPRING MVC 47