Hi,
My problem is easy to explain, but difficult to solve.
We using NN 2.1. (rev 4896)
I have two classes and many-to-many relation between them (sorry for
using AR notation)
[ActiveRecord]
public class A
{
[Property]
public string NameA { get; set; }
}
[ActiveRecord]
public class B
{
[Property]
public string NameB { get; set; }
[HasAndBelongsToMany(typeof(A),Table = "ab", ColumnKey = "b",
ColumnRef = "a")]
public ICollection<A> ACollection { get; set; }
}
Now, I have to add some fields do ab table like modificationUser and
modificationDate.
So I wrote mapping class like that (I know, that we can use composite
key):
[ActiveRecord]
public class ab
{
[PrimaryKey]
public int Id { get; set; }
[BelongsTo]
public A a { get; set; }
[BelongsTo]
public B b { get; set; }
[Property]
public string ModificationUser { get; set; }
[Property]
public DateTime ModificationDate { get; set; }
}
Now comes the question: is there any way to access ModificationUser
and ModificationDate fields?
I tried using EventListener, but no success.
Maybe NH interceptors, or writing own custom CollectionPersister?
It is not solution for us to replace many-to-many relation with one-to-
many, one-to-one, many-to-one, because ACollection is already used in
many hql queries, and changing from ICollection<A> ACollection to
ICollection<ab> ABCollection require to rewrite them all.
Thanks for any help.
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