Hi Björn,
Björn 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
Björn Voigt
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