Is it possible to get NHibernate to propagate properties that are generated by
the database into child classes on save? The specific example I have is with
these tables:
CREATE TABLE Parent
(
Id INT IDENTITY(1,1) NOT NULL,
...
)
CREATE TABLE ChildA
(
Id INT NOT NULL, -- Parent.Id
AID INT IDENTITY(1, 1) NOT NULL,
...
)
CREATE TABLE ChildB
(
Id INT NOT NULL, -- Parent.Id
BID INT IDENTITY(1, 1) NOT NULL,
...
)
CREATE TABLE ChildAB
(
Id INT NOT NULL, -- Parent.Id
AID INT NOT NULL, -- ChildA.AID
BID INT NOT NULL, -- ChildB.BID
...
)
I'm currently using a one-to-one mapping from Parent to ChildA and from Parent
to ChildB with a foreign key generator and that is successfully propagating
Parent.Id into ChildA and ChildB as expected. NHibernate is also picking up
ChildA.AID and ChildB.BID with SELECT SCOPE_IDENTITY() correctly, but I can't
figure out how to get AID and BID propagated into ChildAB.
If NHibernate can't do this on its own, is there a way to intercept the insert
just before ChildAB is inserted to manually populate the AID and BID properties?
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