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Re: newEO.localInstanceIn(localEditingContext)
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Re: newEO.localInstanceIn(localEditingContext)


  • Subject: Re: newEO.localInstanceIn(localEditingContext)
  • From: David LeBer <email@hidden>
  • Date: Thu, 26 Mar 2009 16:10:16 -0400


On 26-Mar-09, at 3:16 PM, Ricardo J. Parada wrote:


Hi All,

If I have an EO that has not been saved to the database (i.e. newFoo in my code below), is it possible to do the following:

	Foo localFoo = newEO.localInstanceIn(localEditingContext());

Normally I get the error:

java.lang.IllegalStateException: You attempted to localInstance <com.model.Foo pk:"null">, which has not yet committed.

But I think that it should be allowed, even if that requires that I get a primary key for localFoo.

Does anybody know if that can be accomplished??

By not doing that. :-)

This is the trickiest part of working with multiple EOs.

The rules:

	• You cannot relate EOs in different ECs
	• You cannot move uncommitted (new) EOs between ECs

So when you create EOs you have to do so in the EC that is going to save them, and if you need to relate new EOs to existing ones, it's the existing ones that need to move.

;david

--
David LeBer
Codeferous Software
'co-def-er-ous' adj. Literally 'code-bearing'
site: 	http://codeferous.com
blog: 	http://davidleber.net
profile:	http://www.linkedin.com/in/davidleber
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--
Toronto Area Cocoa / WebObjects developers group:
http://tacow.org




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