I am trying to figure out how to map the following situation using
NHibernate's "sexy" mapping by code system. Please help as I have been
trying to figure this out for a while with no luck! I am using components
to represent the composite keys. Below are the tables I am trying to map.
Account
-------
BSB (PK)
AccountNumber (PK)
Name
AccountCard
-----------
BSB (PK, FK)
AccountNumber (PK, FK)
CardNumber (PK, FK)
Card
------------
CardNumber (PK)
Status
Here is my current attempt (which is not working at all!)
Account:
public class Account
{
public virtual AccountKey Key { get; set; }
public virtual float Amount { get; set; }
public ICollection<Card> Cards { get; set; }
}
public class AccountKey
{
public virtual int BSB { get; set; }
public virtual int AccountNumber { get; set; }
//Equality members omitted
}
public class AccountMapping : ClassMapping<Account>
{
public AccountMapping()
{
Table("Accounts");
ComponentAsId(x => x.Key, map =>
{
map.Property(p => p.BSB);
map.Property(p => p.AccountNumber);
});
Property(x => x.Amount);
Bag(x => x.Cards, collectionMapping =>
{
collectionMapping.Table("AccountCard");
collectionMapping.Cascade(Cascade.None);
//How do I map the composite key here?
collectionMapping.Key(???);
},
map => map.ManyToMany(p => p.Column("CardId")));
}
}
Card:
public class Card
{
public virtual CardKey Key { get; set; }
public virtual string Status{ get; set; }
public ICollection<Account> Accounts { get; set; }
}
public class CardKey
{
public virtual int CardId { get; set; }
//Equality members omitted
}
public class CardMapping : ClassMapping<Card>
{
public CardMapping ()
{
Table("Cards");
ComponentAsId(x => x.Key, map =>
{
map.Property(p => p.CardId);
});
Property(x => x.Status);
Bag(x => x.Accounts, collectionMapping =>
{
collectionMapping.Table("AccountCard");
collectionMapping.Cascade(Cascade.None);
collectionMapping.Key(k => k.Column("CardId"));
},
//How do I map the composite key here?
map => map.ManyToMany(p => p.Column(???)));
}
}
Please tell me this is possible! If not, are there any workarounds?
--
You received this message because you are subscribed to the Google Groups
"nhusers" group.
To view this discussion on the web visit
https://groups.google.com/d/msg/nhusers/-/zip5egIx1-8J.
To post to this group, send email to [email protected].
To unsubscribe from this group, send email to
[email protected].
For more options, visit this group at
http://groups.google.com/group/nhusers?hl=en.
