public void AddCargo(Cargo cargo)
{
if(cargo == null) throw new ArgumentNullException("cargo");
// Opdracht 4c
// Roep de methode GuardThatThereIsEnoughRoomLeft aan die controleert of een voyage nog genoeg capaciteit heeft voor de cargo
// Zo niet, dan wordt er een NotEnoughtCapacityLeftForCargoException gegooid
// Opdracht 3i
// Maak een nieuw CargoAddedToVoyageEvent aan en vul hiervan de properties.
// Gebruik vervolgens de ApplyEvent(..) methode om het event uit te voeren.
}
public void AddCargo(Cargo cargo)
{
if(cargo == null) throw new ArgumentNullException("cargo");
GuardThatThereIsEnoughRoomLeft(cargo);
ApplyEvent(new CargoAddedToVoyageEvent
{
CargoId = cargo.EventSourceId,
VoyageId = EventSourceId,
ArrivalDate = _arrivalDate,
DepartureDate = _departureDate,
CapacityUsed = _capacityUsed + cargo.Size,
CapacityLeft = _capacityLeft - cargo.Size
});
}
/// <summary>
/// Throws an <see cref="NotEnoughCapacityLeftForCargoException"/> when there is not enough
/// room left for the specified cargo.
/// </summary>
/// <param name="cargo">The cargo to add to this <see cref="Voyage"/>.</param>
/// <exception cref="ArgumentNullException">Thrown when cargo is null.</exception>
/// <exception cref="NotEnoughCapacityLeftForCargoException">Thrown when there is not enough
/// room for the cargo to be added to this voyage.</exception>
private void GuardThatThereIsEnoughRoomLeft(Cargo cargo)
{
if(cargo == null) throw new ArgumentNullException("cargo");
var capacityLeftIncludingOverbook = _overbookingCapcity - _capacityUsed;
if (cargo.Size > capacityLeftIncludingOverbook)
{
throw new NotEnoughCapacityLeftForCargoException(EventSourceId, capacityLeftIncludingOverbook,
cargo.EventSourceId, cargo.Size);
}
}
/// <summary>
/// Throws an <see cref="NotEnoughtCapacityLeftForCargoException"/> when there is not enough
/// room left for the specified cargo.
/// </summary>
/// <param name="cargo">The cargo to add to this <see cref="Voyage"/>.</param>
/// <exception cref="ArgumentNullException">Thrown when cargo is null.</exception>
/// <exception cref="NotEnoughtCapacityLeftForCargoException">Thrown when there is not enough
/// room for the cargo to be added to this voyage.</exception>
private void GuardThatThereIsEnoughRoomLeft(Cargo cargo)
{
if(cargo == null) throw new ArgumentNullException("cargo");
// Controleer of er genoeg ruimte is door gebruik te maken van de variabelen _overbookingCapcity, _capacityUsed en cargo.Size
}