On Tue, 6 Jan 2004, De Swert Pierre (GFDI) wrote:
> I am eagerly waiting the version of the XDoclet module supporting nested
> objects...
> The syntax looks very nice.
>
> A question about the @ojb.modify-nested tag. Potentially, an object can
> embed many instances of the same class.
> For instance, a SimpleCustomer object can hold a billing and shipping
> address.
> A specific mapping attribute name - column name should be specified at
> the nesting class level.
> I would like to know if the @ojb.modify-nested tag will allow me specify
> an alternate column name to deal with multiple nested objects of the
> same class?
>
> I would like to write things such as...
>
> /**
> * @ojb.class table="SIMPLE_CUSTOMER"
> */
> public class SimpleCustomer implements java.io.Serializable
> {
> /**
> * @ojb.nested
> * @ojb.modify-nested name="streetName"
> * column="SHIPPING_STREET_NAME"
> * @ojb.modify-nested name="streetNumber"
> * column="SHIPPING_STREET_NUMBER"
> * @ojb.modify-nested name="zip"
> * column="SHIPPING_ZIP_CODE"
> */
> protected Address shippingAddress;
This will be possible. Basically, the ojb.modify-nested tag will allow for
the same changes as the ojb.modfiy-inherited tag (they'll probably share
most of their implementation). So you an change almost all properties
(with some exceptions e.g. access for anonymous fields and
indirection-table for collections).
>
> // or better... :-)
> /**
> * @ojb.nested
> * @ojb.modify-nested name="*"
> * column="BILLING_*"
> */
> protected Address billingAddress;
> /** @ojb.field column="NAME" */
> protected String name;
> ...
> }
Don't expect something like this in the near future ;-(
Tom
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