Thanks. I figured there was nothing built to do exactly what I needed, but I figured I would ask.
Do you know if there is much overhead if I implemented this in my EO superclass even if there were no observers? -Lon On Thu, Jul 9, 2009 at 11:50 AM, Simon McLean<[email protected]> wrote: > also, if you are using wonder, check out > hasKeyChangedFromCommittedSnapshot in ERXGenericRecord. maybe listen > for the notification mentioned by chuck, then use > hasKeyChangedFromCommittedSnapshot to check the particular key you are > looking at. > > simon > > 2009/7/9 Chuck Hill <[email protected]>: >> >> On Jul 9, 2009, at 10:24 AM, Lon Varscsak wrote: >> >>> Is there a way for a controller object to listen for changes to an EO >>> (and a specific key)? >>> >>> Thanks, >>> >>> Lon >> >> EOEditingContext has ObjectsChangedInEditingContextNotification, but it is >> on an object by object basis, not a key by key one. >> >> You could implement this in your EO super class. >> >> >> Chuck >> >> -- >> Chuck Hill Senior Consultant / VP Development >> >> Practical WebObjects - for developers who want to increase their overall >> knowledge of WebObjects or who are trying to solve specific problems. >> http://www.global-village.net/products/practical_webobjects >> >> >> >> >> >> >> _______________________________________________ >> Do not post admin requests to the list. They will be ignored. >> Webobjects-dev mailing list ([email protected]) >> Help/Unsubscribe/Update your Subscription: >> http://lists.apple.com/mailman/options/webobjects-dev/simon%40potwells.co.uk >> >> This email sent to [email protected] >> > _______________________________________________ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list ([email protected]) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [email protected]
