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Re: Reflexive relationship with same relationship name?
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Re: Reflexive relationship with same relationship name?


  • Subject: Re: Reflexive relationship with same relationship name?
  • From: Chuck Hill <email@hidden>
  • Date: Sun, 11 Jul 2010 11:07:51 -0700

I think that should be fine.  You might want to plan out how you are going to qualify this for fetches.



On Jul 10, 2010, at 2:25 PM, Joe Moreno wrote:

> Is it possible for EOF to support a reflexive relationship back to the same Entity with the same relationship property name through a flattened many-to-many?
>
> Think of a User entity in the case of LinkedIn where users are "linked" to other users:
> User <---->>Connection<<---->User
>
> Connection is the flattened (EOGenericRecord) m:n table with only the foreign keys as its two primary keys. User.connections simply returns all the connected users.
>
> I'm imagining that you'd link them up like this:
> userA.addObjectToBothSidesOfRelationshipWithKey(userB, "connection");
>
> Any one with experience/gotchas doing this? (No inheritance involved.)
>
> Thanks,
> Joe
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--
Chuck Hill             Senior Consultant / VP Development

Practical WebObjects - for developers who want to increase their overall knowledge of WebObjects or who are trying to solve specific problems.
http://www.global-village.net/products/practical_webobjects







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