Bryan,
Good catch, thanks! 'writeProperty' meaning should be limited to
simple properties (and also value holders such as collections or 1.2
org.objectstyle.cayenne.ValueHolder). 'setToOneTarget' should be used
for to-one. I will update the docs.
Andrus
On Apr 27, 2006, at 7:31 PM, Bryan Lewis wrote:
Another little surprise we encountered with 1.2B2... dunno if it's
a bug
or only a documentation correction or neither. I had some code that
used CayenneDataObject.writeProperty() to write a new object's
attributes and to-one relationships. It made it easy to copy the
values
from a Map with keys named the same as the properties.
This worked fine until now, and the javadocs say "This method can
safely
be used instead of or in addition to the auto-generated property
modifiers in subclasses of CayenneDataObject." But now if I set a
*relationship* with writeProperty() , the foreign key is left
null in
the generated SQL.
Before commit, object = {<ObjectId:WebSlowpay, TEMP:...>; new
[companyContact=>{<ObjectId:CompanyContact,
CONTACT_NIC_ID=109572>}
... That's a to-one relationship on the key Contact_Nic_ID.
Rest of
properties omitted...
The SQL is:
INSERT INTO WEBSLOWPAY (CONTACT_NIC_ID, ...) VALUES (?, ...)
[batch bind: NULL, ...] -- should be 109572
*** error. java.sql.SQLException: ORA-01400: cannot insert
NULL ...
It works fine if I change it to use the normal setter method
setCompanyContact() or the equivalent setToOneTarget().
