Re: CORE DATA: derived values from several entities and managed object instances ??
Re: CORE DATA: derived values from several entities and managed object instances ??
- Subject: Re: CORE DATA: derived values from several entities and managed object instances ??
- From: mmalcolm crawford <email@hidden>
- Date: Wed, 18 Jan 2006 15:07:37 -0800
On Jan 18, 2006, at 2:54 PM, dan pahlajani wrote:
Yes, i have read ALL the documentation. Also if you are refering to
the
FAQ # 2, it shows how to access to-many related objects as "set" and
not as an array. I am interested in accessing array.
It's not clear exactly what you mean here, or what the problem is.
In Core Data, relationships (other than fetched relationships) are
represented by sets, not arrays. Whether they were represented by
sets or arrays, the principle for calculating the derived property
would be the same. And what you return from an accessor method (for
a derived property) is up to you...
mmalc
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