private void _calcIsMishandled(Itinerary itinerary, HandlingEvent @event)
{
if (@event == null || itinerary == null)
{
IsMishandled = false;
}
else
{
IsMishandled = itinerary.IsExpected(@event);
}
}
private void _calcIsUnloadedAtDestination(RouteSpecification routeSpec, HandlingEvent @event)
{
if (@event == null)
{
IsUnloadedAtDestination = false;
}
else
{
IsUnloadedAtDestination = routeSpec.Destination.Equals(@event.Location);
}
}
private void _calcCurrentVoyage(HandlingEvent @event)
{
if (@event != null)
{
CurrentVoyage = @event.Voyage;
}
else
{
CurrentVoyage = null;
}
}
private void _calcLastKnownLocation(HandlingEvent @event)
{
if (@event != null)
{
LastKnownLocation = @event.Location;
}
else
{
LastKnownLocation = null;
}
}
public Delivery(
RouteSpecification routeSpec,
Itinerary itinerary,
HandlingEvent lastHandlingEvent
)
{
RouteSpec = routeSpec ?? throw new ArgumentNullException(nameof(routeSpec));
Itinerary = itinerary;
LastHandlingEvent = lastHandlingEvent;
_calcTransportStatus(lastHandlingEvent);
_calcLastKnownLocation(lastHandlingEvent);
_calcCurrentVoyage(lastHandlingEvent);
_calcNextExpectedHandlingActivity(routeSpec, itinerary, lastHandlingEvent);
_calcIsUnloadedAtDestination(routeSpec, lastHandlingEvent);
_calcRoutingStatus(routeSpec, itinerary);
_calcIsMishandled(itinerary, lastHandlingEvent);
}
public bool IsExpected(HandlingEvent @event)
{
if (@event == null)
{
return(true);
}
// receive at the first leg's load location
switch (@event.Type)
{
case HandlingType.Receive:
return(this.FirstLoadLocation.Equals(@event.Location));
case HandlingType.Load:
foreach (var leg in Legs)
{
if (leg.LoadLocation.Equals(@event.Location))
{
return(true);
}
}
return(false);
case HandlingType.Unload:
foreach (var leg in Legs)
{
if (leg.UnloadLocation.Equals(@event.Location))
{
return(true);
}
}
return(false);
case HandlingType.Claim:
case HandlingType.Customs:
return(this.LastUnloadLocation.Equals(@event.Location));
}
return(false);
}
// rehydration ctor
public Cargo(TrackingId trackingId, RouteSpecification routeSpec, Itinerary itinerary, Delivery delivery, HandlingEvent lastHandlingEvent)
{
TrackingId = trackingId;
RouteSpec = routeSpec;
Itinerary = itinerary;
LastHandlingEvent = lastHandlingEvent;
Delivery = new Delivery(RouteSpec, Itinerary, LastHandlingEvent);
}
private void _calcNextExpectedHandlingActivity(RouteSpecification routeSpec, Itinerary itinerary, HandlingEvent @event)
{
// can't derive next handling activity if there is no itinerary
if (itinerary == null)
{
NextExpectedHandlingActivity = null;
return;
}
// can't derive the next handling activity if the cargo is misrouted
_calcRoutingStatus(routeSpec, itinerary);
if (RoutingStatus == RoutingStatus.MisRouted)
{
NextExpectedHandlingActivity = null;
return;
}
// no handling event so far; next one should be receive at itinerary's first leg unload location
if (@event == null)
{
NextExpectedHandlingActivity = new HandlingActivity(HandlingType.Receive, itinerary.FirstLoadLocation, null);
return;
}
switch (@event.Type)
{
// last handling event = received => next handling activity = load at itinerary's first leg unload location and voyage
case HandlingType.Receive:
NextExpectedHandlingActivity = new HandlingActivity(HandlingType.Load, itinerary.FirstLoadLocation, itinerary.FirstYoyage);
return;
// last handling event = load => next handling activity = unload at itinerary's next leg unload location
case HandlingType.Load:
var leg = itinerary.Of(@event.Location);
NextExpectedHandlingActivity = new HandlingActivity(HandlingType.Unload, leg.UnloadLocation, leg.Voyage);
return;
// last handling event = unload => next handling activity =
// a. load at itinerary's next leg load location and voyage, if that leg is not the final one
// b. customs at itinerarys's final unload location
case HandlingType.Unload:
if (@event.Location.Equals(itinerary.LastUnloadLocation))
{
NextExpectedHandlingActivity = new HandlingActivity(HandlingType.Customs, itinerary.LastUnloadLocation, null);
return;
}
var nextLeg = itinerary.NextOf(@event.Location);
NextExpectedHandlingActivity = new HandlingActivity(HandlingType.Load, nextLeg.LoadLocation, nextLeg.Voyage);
return;
// last handling event = customs => next handling activity = claim
case HandlingType.Customs:
NextExpectedHandlingActivity = new HandlingActivity(HandlingType.Claim, itinerary.LastUnloadLocation, null);
return;
// last handling event = claim => next handling activity = none
case HandlingType.Claim:
default:
NextExpectedHandlingActivity = null;
return;
}
}
