Hi Jeroen!
Thank you very much for your answers, that's what I needed. :-)
Christian
________________________________________
From: Jeroen van der Wal [[email protected]]
Sent: Tuesday, January 22, 2013 11:53 AM
To: [email protected]
Subject: Re: @ManyToMany?
Obviously you have to add some code which manages the relationship, see the
isc-mmp and isc-mmc domain object code snippets. [1]
More about various relation types from a JDO perspective can be found on
the Datanucleus site [2], [3], [4], [5]
Cheers,
Jeroen
[1] http://isis.apache.org/getting-started/editor-templates.html
[2] http://www.datanucleus.org/products/datanucleus/jdo/orm/one_to_one.html
[3] http://www.datanucleus.org/products/datanucleus/jdo/orm/one_to_many.html
[4] http://www.datanucleus.org/products/datanucleus/jdo/orm/many_to_one.html
[5]
http://www.datanucleus.org/products/datanucleus/jdo/orm/many_to_many.html
On Tue, Jan 22, 2013 at 11:27 AM, Jeroen van der Wal <[email protected]>wrote:
> You can Use the M-N relationship:
>
> public class Route
> {
> ...
>
> @Persistent
> @Join(column="ROUTE_ID")
> @Element(column="PROVIDER_ID")
> Set<Provider> provider;
>
>
>
> }
>
> public class Provider
> {
> ...
>
> @Persistent(mappedBy="providers")
> Set<Route> routes;
> }
>
>
>
> On Tue, Jan 22, 2013 at 2:10 AM, Christian Steinebach <
> [email protected]> wrote:
>
>> Hi,
>>
>> In case:
>>
>> - A transport service providers serves several routes
>> - A route may be served by several transport service providers
>>
>> How can this many to many relationship be modeled in Isis?
>>
>> In the example application one ToDoItem may only appear in ONE
>> dependency list.
>>
>> Christian
>
>
>
