public void ChangeCustomerName(ChangeCustomerNameCommand cmd)
{
if (string.IsNullOrWhiteSpace(cmd.FirstName))
{
throw new ArgumentNullException(cmd.FirstName);
}
if (string.IsNullOrWhiteSpace(cmd.LastName))
{
throw new ArgumentNullException(cmd.LastName);
}
if (this.State.FirstName.Equals(cmd.FirstName) && this.State.LastName.Equals(cmd.LastName))
{
return;
}
this.Apply(new CustomerNameChanged(this.Id, cmd.FirstName, cmd.LastName, this.GetNextVersion(), cmd.CommandId));
}
private void Apply(ChangeCustomerNameCommand cmd)
{
this.UpdateAggregate <CustomerAggregateRoot>(cmd.CustomerId, a => a.ChangeCustomerName(cmd));
}