hi all,
Suppose I have a scenario:

Table AMO --> ID,.......
Table AMOACO--> AMOID, ACOID ( both fk and together pk)
Table ACO--> ID,..........

Class AMO: Long ID, list acos ...
Class ACO: Long ID, ..........

1 AMO ---> * ACO

I wonder that how can I set this one-to-many relation in the mapping file just using the AMOACO table only as a bridge?

I mean in general collection of objects logic, there are 2 tables and 2 classes in the simpliest case, but now I have 2 classes with 3 tables, one of them is the mapper table that I want to use as bridge.

<bag name = "acos" lazy= "true" ... ??????
.... ????
<one-to-many class="ACO">
</bag>

I think I need some formulatic expression here in bag...

If possible, I want all thing to happen in the mapping file.

hello???

This is a many-to-many relational model, map it this way

Thanks,I respect hibernate, what to say more!

and I discovered the great update performance of <idbag> .
Nearly "PHI" times better!
great work Hibernate!