Instantiating custom reference classes

Hello,
I have created Java classes based on oracle objects by using JPublisher. Some of the oracle objects contain references to other objects. Thus, JPublisher has also created custom reference classes.
Now, retrieving those objects in JDBC code by using SELECT queries is simple. But inserting an object with a reference is more difficult, if I want to use an INSERT clause such as:
OraclePreparedStatement opstmt =
( OraclePreparedStatement ) con.prepareStatement(
"INSERT INTO PurchaseOrder_objtab VALUES (?)" );
opstmt.setCustomDatum( 1, purchaseOrder );
opstmt.executeQuery();
opstmt.close();
My question is: If the purchaseOrder above contains a variable with type CustomerRef, how is that custom reference instantiated?
Regards,
Timo

<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by SQLJ Development ([email protected]):
Your customers would live in an extent table (CREATE CUSTOMERS AS TABLE OF CUSTOMER_TY), the rows of which are REFerenceable. You then issue:
SELECT REF(c) FROM CUSTOMERS c WHERE c.Some_Customer_ty_Attribute = ...
There should be examples of this in the demo programs and manuals of both, JDBC and SQLJ distributions (e.g. [Oracle Home]/sqlj/demo/Objects/ObjectDemo*.*).<HR></BLOCKQUOTE>
Unfortunately the REF examples are for weak typed mapping. I'd like to use strong typing with CustomDatum interface.
Is it possible at all with these options?
BR,
Timo

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