public bool has_the_same_value_as(IRouteSpecification the_other)
{
return the_other != null &&
this.underlying_origin_location.has_the_same_identity_as(the_other.origin()) &&
this.underlying_destination_location.has_the_same_identity_as(the_other.destination()) &&
this.underlying_arrival_deadline.has_the_same_value_as(the_other.arrival_dealine());
}
public Cargo(ITrackingId tracking_id, IRouteSpecification route_specification)
{
this.underlying_tracking_id = tracking_id;
this.underlying_route_specification = route_specification;
this.underlying_origin_location = route_specification.origin();
}