What on earth is the <one-to-one> doing there?
Feed is a component class .....
Just remove the <one-to-one>
I'm glad you noticed the <parent> element. I never saw
anyone else use that before ;)
"Viktor Szathmary"
<[EMAIL PROTECTED]> To: [EMAIL PROTECTED]
Sent by: cc:
[EMAIL PROTECTED] Subject: Re: [Hibernate] ... and how
about bidirectional for a
eforge.net component? :)
29/01/03 04:34 PM
On Wed, 29 Jan 2003 00:06:38 -0500, "Viktor Szathmary"
<[EMAIL PROTECTED]> said:
> hi,
>
> to annoy people with more trivial questions: is it possible to have a
> bidirectional one-to-many relationship between a component and a
> firstclass object? i'm getting a MappingException: "An association refers
> to an unmapped class" (which is not entirely true, since it is in fact
> mapped as a component of another class).
i also considered mapping this as a nested component list inside the
component, but for some reason i'm still getting MappingException: "No
persister for: net.sf.flock.hibernate.Feed".
here's the mapping file (with some irrelevant fields removed):
<hibernate-mapping>
<class name="net.sf.flock.hibernate.Subscription" table
="subscription">
<id name="id" unsaved-value="null" length="32">
<generator class="vm.hex"/>
</id>
<one-to-one name="feed" class
="net.sf.flock.hibernate.Feed" cascade="delete" constrained="false"/>
<component name="feed" class
="net.sf.flock.hibernate.Feed">
<parent name="subscription" class
="net.sf.flock.hibernate.Subscription"/>
<bag role="items" readonly="true" cascade
="all">
<key name="id" type="string">
<generator class
="vm.hex"/>
</key>
<composite-element class
="net.sf.flock.hibernate.Item">
<!-- parent name
="origin" class="net.sf.flock.hibernate.Feed" column="feed_id"/ -->
<property name
="title"/>
<property name="link"
type="net.sf.flock.hibernate.URLType"/>
<property name
="description"/>
<property name
="creationTime"/>
</composite-element>
</bag>
</component>
</class>
</hibernate-mapping>
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