Once again, thank you for your ideas. Going to increase my caffeine intake now.
Amiel On Tue, Jan 26, 2010 at 4:24 AM, Chuck Hill <ch...@global-village.net>wrote: > > On Jan 25, 2010, at 12:32 AM, Amiel Montecillo wrote: > > Hi List, >> >> I am having a dilemma on how to best implement this kind of scenario. >> >> I need the update process of an EO by creating an new EO with the updated >> values and archiving the old one. This EO has quiet a few to-many >> relationships that needs to be archived as well. >> >> I am thinking of copying the existing values along with the relationship >> values to an NSDictionary and tie that to the form. Once the save action >> fires, inspect if there are any changed values and create a new EO with the >> updated values and archive the old one. >> >> Can anyone suggest a better way of handling this? >> > > Use the EOCopying code from Practical WebObjects. If you want to edit eo, > instead edit eo.copy(). The copy() method should mark the existing object > as archived. If the user saves, the existing object will be saved marked as > archived, and new objects will be created. You will need to handle how > these objects are referenced in relationships so you don't show archived > versions. > > The GVCGenericObjects framework shows one way of doing this, though it is > NOT intended for use as an audit trail. > http://www.global-village.net/chill/gvc_frameworks > > > There have been several good discussions on various audit trail > implementations on the list. Search for "audit trail". You need to > carefully evaluate your requirements and choose your implementation > accordingly. > > > 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 > > > > > > > > -- socket error: unable to connect to 127.0.0.1
_______________________________________________ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
