Re: Lazy optional relationship creation on EO accessor
Re: Lazy optional relationship creation on EO accessor
- Subject: Re: Lazy optional relationship creation on EO accessor
- From: Jon Nolan <email@hidden>
- Date: Tue, 23 Feb 2010 13:07:04 -0700
- Organization: Loch Garman
David Avendasora wrote:
On Feb 23, 2010, at 12:27 PM, Jon Nolan wrote:
In this case I don't want to use awakeFromInsertion as the relationship is very, very optional (i.e. small % of entities have not-null relationship.)
I'm I missing something here? What does being optional (or even very, very optional) have to do with using awakeFromInsertion?
Dave
Dave,
At the time the parent entity is created I don't know if I'll need the
related entity. I don't want to create an empty EO every time I create
a new parent as there are literally hundreds of thousands of parents and
maybe a few thousand with the need for the child.
Think User --> Preferences with 99% of users content to inherit default
settings and never override. For the odd one that does a preferences
object is created and the relationship established.
Jon
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