because it has two underscores in front of it and you don't really know how it's implemented ...
On Apr 25, 2011, at 7:57 PM, Amiel Montecillo wrote: > Hi All, > > Just a quick followup question for my additional knowledge. > > There is a method in EOCustomObject.__globalID(). Any reason why using this > should be avoided? > > Thanks, > Amiel > > On Sat, Apr 23, 2011 at 6:31 AM, Chuck Hill <[email protected]> wrote: > > On Apr 22, 2011, at 1:59 PM, Chris Pastore wrote: > >> While trying to return an EOGlobalID for a generic record, I am getting a >> null. >> >> I have a method to fetch a student: >> private static EOGenericRecord getStudent(EOEditingContext ctx, String sid) { >> EOGenericRecord student = (EOGenericRecord) >> EOUtilities.objectMatchingKeyAndValue(ctx, "Student", "studentId", sid); >> ctx.insertObject(student); //tried with and without inserting it into >> the context > > insertObject() is only for newly created objects, not fetched objects. > Fetching places the object into the EOEditingContext. > > >> return student; >> } >> >> Later I try to retrieve that object's EOGlobalID with the following: >> EOGlobalID globalID = ctx.globalIDForObject((EOGenericRecord) value); >> >> The value of globalID is always null. What am I missing? > > that only works if ctx is the same object instance in both cases. Try the > seemingly redundant: > > EOGenericRecord eo = (EOGenericRecord) value; > EOGlobalID globalID = eo.editingContext().globalIDForObject(eo); > > If you get an NPE, then eo is not in an editing context. > > Chuck > > >> >> Thank you for any help you may be able to offer, >> >> Chris Pastore >> >> >> _______________________________________________ >> 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/chill%40global-village.net >> >> This email sent to [email protected] > > -- > 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/bosyotech%40gmail.com > > 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/mschrag%40pobox.com > > 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]
