[Building Sakai] hibernate composite-id (promary key and foreign key)

[Alessandro]

composite-id (promary key and foreign key)

I have 3 tables

Table1(IDTB1,NAME)PK->IDFIELD

Table2(IDTB1,IDTB3,OPTION) PK(IDTB1,IDTB3) FK(IDT3) references Table3(IDT3)

Table3(IDTB3,TIPO)PK->IDTB3


I would like how to know write mapament O/R for table 2 ,I don't use
annotations but xml for mapament O/R .
Other .

Another thing a composite key become a  class ?

There is any example this mapament?
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