But surely it should update the activityId in the attachment object on writing the activity (as activity has a collection of attachments, with auto-update="object" ?
Daniel. > -----Original Message----- > From: Thomas Dudziak [mailto:[EMAIL PROTECTED] > Sent: 04 November 2005 17:26 > To: OJB Users List > Subject: Re: PB linking problem > > > On 11/4/05, Daniel Perry <[EMAIL PROTECTED]> wrote: > > Not sure if this is really an bug, or just a 'feature', but > things dont get > > linked under certain curcumstances. > > > > I have two objects: activity, and attachment. > > > > An activity has a collection of attachments. > > > > /** > > * @ojb.collection > element-class-ref="com.netcase.pol.bo.Attachment" > > * foreignkey="activityId" > > * > > query-customizer="com.netcase.ojb.NotDeletedQueryCustomizer" > > * proxy="true" auto-retrieve="true" > auto-update="object" > > */ > > private List<Attachment> attachments; > > > > (attachment has: @ojb.field name="activityId" jdbc-type="INTEGER") > > > > The following works: (ie, activityId is set properly) > > 1. persist an attachment. > > 2. add it to the collection in activity. > > 3. persist activity. > > > > However, if i add the following to attachment: > > /** > > * @ojb.reference foreignkey="activityId" > > */ > > private Activity activity; > > > > then the above doesnt work. activityId ends up as 0. I guess i should > > expect this as activity is null. But, still, as activity is > being persisted > > last, shouldnt it be updated for that link? > > I think you have to set the activity field in your code initially > (before writing). OJB will initialize the field only when reading > objects from the database (and it doesn't do so in between storing the > collection and the reference). > > Tom > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
