/**
* Tells when the item at the front of the ConveyorBelt queue will depart that queue and
* subsequently enter a ShipmentProcessStation queue. If the queue is empty, return
* Integer.MAX_VALUE.
*
* @return int departTime time when the item at the front of the conveyor belt will depart.
*/
public int departTimeNext() {
int departTime = Integer.MAX_VALUE;
if (!queueFromFactory.isEmpty()) {
ItemToShip item = queueFromFactory.front();
departTime = item.getArrivalTime();
}
return departTime;
}
/**
* Returns true if ShipmentQueue is not empty
*
* @return boolean true of ShipmentQueue is not empty
*/
public boolean hasNext() {
return (!queueFromFactory.isEmpty());
}
