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Re: EO lastModifiedTS @ validateForUpdate?
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Re: EO lastModifiedTS @ validateForUpdate?


  • Subject: Re: EO lastModifiedTS @ validateForUpdate?
  • From: David LeBer <email@hidden>
  • Date: Thu, 29 Nov 2007 22:39:52 -0500


On 29-Nov-07, at 9:01 PM, Chuck Hill wrote:


On Nov 29, 2007, at 5:53 PM, Les Vogel wrote:

I'd like to keep a last update timestamp on my entities. Would validateForSave | validateForUpdate be a good time to modify an attribute?


Define good. :-) That violates an EOF commandment. You risk confusing EOF. If you are using Wonder, there is a facility in ERXEC to have it notify your object at a safe time to do this.


Use ERXGenericRecord from Wonder.

It has willUpdate, willInsert etc that are perfect for this sort of thing.

They are called after saveChanges but before validation so it is safe to make changes.

;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
--
Toronto Area Cocoa / WebObjects developers group:
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  • Follow-Ups:
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      • From: "Les Vogel" <email@hidden>
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      • From: Chuck Hill <email@hidden>
References: 
 >EO lastModifiedTS @ validateForUpdate? (From: "Les Vogel" <email@hidden>)
 >Re: EO lastModifiedTS @ validateForUpdate? (From: Chuck Hill <email@hidden>)

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