[Schevo-devel] [TUTORIAL] - Create and Evolve
a Simple OO Application
Ilias Lazaridis
ilias at lazaridis.com
Wed Feb 23 16:49:47 EST 2005
Matthew Scott wrote:
> Ilias Lazaridis wrote:
>
>>> add "1:n" relation to Cars
>>
>> naturally, witin OO, this is done with adding a collection.
>>
>> how is this done within schevo?
I'm sorry, "this" refered to "1:n relations" within schevo.
how do I model them? (just drop the line/lines of relevant code).
> Schevo does not as yet have any collection field types. As any
> operation on a collection (insert, remove, move) would need to be
> embodied in a transaction, it increases the complexity that supporting
> this type of field would need.
ok
> As mentioned already, there is no deadline or schedule for implementing
> such field types, although it is a long-term goal.
ok, thanks for the information.
> See the manyToMany example I just committed to the Subversion repository
> for an example of a many-to-many relationship (people owning things)
> using a separate entity. It also illustrates the use of multiple
> allowed types in an entity field.
ok, will look in the next step which covers M:N.
.
More information about the Schevo-devel
mailing list