Passing an EOGenericRecord Refrence in a Direct Action
Passing an EOGenericRecord Refrence in a Direct Action
- Subject: Passing an EOGenericRecord Refrence in a Direct Action
- From: Daniel Eggert <email@hidden>
- Date: Mon, 19 Sep 2005 12:10:35 +0200
Hi,
My App displays a list of items. When the oser clicks on one, I want
to display a bookmarkable direct action with info about the item.
How do I go about passing a reference to an item (or its
EOGenericRecord subclass instance)?
The primary key is not a class attribute, and the Apple docs say that
exposing the primary keys is a bad idea:
Primary keys and foreign keys should not be marked as class
properties. This is for two reasons: Enterprise objects have no
knowledge of the primary and foreign keys of the tables from which
they are mapped, and these keys are of no use to your business
logic. Also, to ensure that the automatic primary key generation
feature of Enterprise Objects is properly invoked, primary keys
must not be marked as class properties.
What to do?
/Daniel
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