/// <summary>
/// Orders by Customer specification
/// </summary>
/// <param name="customer">The customer</param>
/// <returns>Related specification for this criterion</returns>
public static ISpecification<Order> OrdersByCustomer(Customer customer)
{
if (customer == null
||
customer.IsTransient())
{
throw new ArgumentNullException("customer");
}
return new DirectSpecification<Order>(o => o.CustomerId == customer.Id);
}
/// <summary>
/// Link a customer to this order line
/// </summary>
/// <param name="customer">The customer to relate</param>
public void SetTheCustomerForThisOrder(Customer customer)
{
if (customer == null || customer.IsTransient()) {
throw new ArgumentException(Messages.exception_CannotAssociateTransientOrNullCustomer);
}
this.Customer = customer;
this.CustomerId = customer.Id;
}
/// <summary>
/// Set customer for this bank account
/// </summary>
/// <param name="customer"></param>
public void SetCustomer(Customer customer)
{
if (customer == null
||
customer.IsTransient())
{
throw new ArgumentException(Messages.exception_CannotAssociateTransientOrNullCustomer);
}
//fix id and set reference
this.CustomerId = customer.Id;
this.Customer = customer;
}
