Hi Stephen,
Werner recently added collection="sortedset" (included with 1.0M1). I
don't know how it behaves together with lazy loading but it should be
the best option for you.
You may want to have a look at release-notes for a short description on
how to use it.
Regards
Ralf
Castor JDO, committer
Stephen Ince schrieb:
> I am getting duplicate entries when I am using lazy loading for a
> collection. It only happens when I add all the items to the arraylist.
> What is the best way to model lazy loading when the collection needs to
> be sorted?
>
> 1--- N
> WebResource ------> FormData.
>
> Here is my implementation and mapping file.
>
> Class WebResource {
> :
> ArrayList formData = new ArrayList();
>
> public void setFormData(Collection formData) {
>
> this.formData.clear();
> if ( formData == null ) return;
>
> this.formData.addAll(formData);
>
> final Iterator iter = this.formData.iterator();
> while(iter.hasNext() ) {
> FormData f = (FormData) iter.next();
> f.setWebResource(this);
> }
> java.util.Collections.sort(this.formData);
> }
>
>
>
> <class name="com.opendemand.jdo.WebResource" auto-complete="false"
> identity="webResourceId" key-generator="keygen"
> depends="com.opendemand.jdo.UserScenario">
>
> <field name="formData" type="com.opendemand.jdo.FormData"
>
> required="false" direct="false" transient="false"
> collection="collection" lazy="true">
>
> <sql many-key="web_resource_id" dirty="ignore" />
>
> </field>
>
> </class>
>
> Steve
>
>
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