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Hibernate: Updating version in child records

 
Jim Cross
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In my test application, I have two tables; J_TRADE and J_CASHFLOW. Trades may have zero-to-many associated cashflows.

J_TRADE has ID as its primary key, and a version column.
J_CASHFLOW references the trade ID column and the trade VERSION column.


The mappings are as follows:



Clearly from this, the cashflow class isn't aware that it references the trade version. So, while the cashflow trade id does get populated correctly on insert, the cashflow trade version doesn't.

Is there any way to make the cashflow reference the trade version, without making ID and VERSION a composite key in the trade table, and having to handle the trade id and version increments myself?
 
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