public CustomerAgreement Find(Customer customer)
{
var result = Session.CreateCriteria(typeof (CustomerAgreement))
.Add(Restrictions.Eq("Subject", customer))
.UniqueResult<CustomerAgreement>();
return result ?? CustomerAgreement.CreateEmpty(customer);
}
/// <summary>
/// Creates new <see cref="Cargo"/> object with provided tracking id and route specification.
/// </summary>
/// <param name="trackingId">Tracking id of this cargo.</param>
/// <param name="routeSpecification">Route specification.</param>
/// <param name="orderingCustomer">Customer who ordered this cargo.</param>
public Cargo(TrackingId trackingId, RouteSpecification routeSpecification, Customer orderingCustomer)
{
if (trackingId == null)
{
throw new ArgumentNullException("trackingId");
}
if (routeSpecification == null)
{
throw new ArgumentNullException("routeSpecification");
}
OrderingCustomer = orderingCustomer;
TrackingId = trackingId;
RouteSpecification = routeSpecification;
Delivery = Delivery.DerivedFrom(RouteSpecification, Itinerary, null);
}
/// <summary>
/// Creates new customer agreement.
/// </summary>
/// <param name="subject"></param>
/// <param name="routingPolicy"></param>
public CustomerAgreement(Customer subject, IRoutingPolicy routingPolicy)
{
Subject = subject;
RoutingPolicy = routingPolicy;
}
/// <summary>
/// Creates an empty customer agreement (with null policies)
/// for use with customers who didn't signed an agreement.
/// </summary>
/// <param name="subject">Customer without agreement.</param>
/// <returns></returns>
public static CustomerAgreement CreateEmpty(Customer subject)
{
return new CustomerAgreement(subject, new NullRoutingPolicy());
}