Re: [Hibernate-devel] generating schema with referential integrity

[Son To <son...@ya...>]

Gavin,
Thanks! this was what I was looking for. The
documentation needs more examples. I will work on the
documentation as I learn more about hibernate.

In the xml map file, how to specify a non null
property?

thanks,
Son

--- Gavin_King/Cirrus%CI...@ci... wrote:
> 
> You need to decide wether Product is a component, or
> an associated object.
> If its a component, it lives in the same table as
> LineItem and doesn't need
> its own seperate <class> mapping (the mapping is
> done in the <component>
> element. If Product is an entity (which i think is
> what you want here),
> then use:
> 
>   <many-to-one name="product"
> class="openbx.domain.Product"/>
> 
> in the mapping for LineItem. (ie. instead of
> <component
> ....>....</component>)
> 
> Hope thats clear enough....
> 
> PS. I recommend you download the latest version it
> has important bugfixes.
> 
> 
> > <hibernate-mapping>
> >   <class name="openbx.domain.Product"
> > table="product">
> >       <id name="productId" column="productId"
> > type="long">
> >         <generator class="hilo.long"/>
> >      </id>
> >      <property name="name" type="string"/>
> >      <property name="price" type="double"/>
> >   </class>
> >
> >   <class name="openbx.domain.LineItem"
> > table="lineItems">
> >       <id name="lineItemId" column="lineItemId"
> > type="long">
> >          <generator class="hilo.long"/>
> >       </id>
> >       <component name="product"
> > class="openbx.domain.Product">
> >          <property name="productId"/>
> >     <property name="price"/>
> >       </component>
> >
> >      <property name="quantity" type="integer"/>
> >   </class>
> > </hibernate-mapping>
> 
> 
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>
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