Hi Bj�rn,
Bj�rn Voigt wrote:
Hello Group,
I want to develope a form app with cocoon forms using ojb.
I have a 1:n business-model like ProductGroup - Articles (one group has n article).
I am using the PB-Api and i have realized the 1:n relation with a collection in ProductGroup.
CocoonForms allows me to bind the model to a form. It is possible to describe a repeater, which shows the Article-Items inside the collection. So I defined a binding between an group and a form, a repeater shows all articles of a group. The repeater allows to insert and delete new Articles from the collection.
Ok now my problem, If I get a Group-Object from DB with n Articles inside the collection, bind it to the form and remove some of it from the collection, how can I autodelete it from the article table, too? Is this possible with a one and only
broker.store(group)
How I have to define the mapping?
Define a 1:n mapping between ProductGroup and Article and use a RemovalAware collection-class in collection-descriptor (Currently it's used by default, so no need to specify).
Please see http://db.apache.org/ojb/docu/basic-technique.html#Mapping+1%3An+associations
regards, Armin
Thanks for your help
Bj�rn Voigt
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