Re: EOSharedEditingContext and ObjectsChangedInStoreNotification
Re: EOSharedEditingContext and ObjectsChangedInStoreNotification
- Subject: Re: EOSharedEditingContext and ObjectsChangedInStoreNotification
- From: Chuck Hill <email@hidden>
- Date: Mon, 13 Sep 2004 16:49:30 -0700
You could register an object with NSNotificationCenter as an omniscient
listener and log out all notifications. That might show something.
On Sep 13, 2004, at 4:17 PM, Hunter Hillegas wrote:
Chuck,
Interesting thought. I looked and it wasn't explicitly set, so I
modified the code.
Still, App 1 makes a change and App 2 sees it and invalidates the
GlobalID but the change doesn't show up in the Shared EC.
Do you know of any logging I could turn up to see if the chain is
broken somewhere inside App 2?
Hunter
On Sep 13, 2004, at 10:51 AM, Chuck Hill wrote:
One thing that comes to mind is that the framework might not be
refetching the objects into an ec with its shared editing context set
to null. For details see:
http://www.wodev.com/cgi-bin/WebObjects/WODev.woa/wa/Main?
wikiPage=HowToUseSharedEditingContexts
Chuck
On Sep 13, 2004, at 10:34 AM, Hunter Hillegas wrote:
Hello,
According to the docs for EOSharedEditingContext, it will listen for
notifications of the type ObjectsChangedInStoreNotification.
I am using Dov's JMS change notification framework posted at
WOCode.com - it is based on the code from Wonder with some important
changes.
Anyway, the JMS messages are flowing and being processed. When
changes are made in one app, the other app receives the JMS message
and calls invalidateObjectsWithGlobalIDs.
The thing is, the contents of the EOSharedEditingContext don't
appear to change.
Subsequent calls to objectsByEntityNameAndFetchSpecificationName()
seem to return the unchanged/original data.
I was under the impression that invalidateObjectsWithGlobalIDs would
send a ObjectsChangedInStoreNotification and the Shared EC would do
as the docs state:
"The shared context removes from its objectsByEntityName and
objectsByEntityNameAndFetchSpecificationName dictionaries any
objects that have been deleted, and it refaults any objects that
have been updated."
I don't see any evidence of a refault (output is the original
values).
So... Any ideas on how to troubleshoot this?
Is there a way to watch/print out ObjectsChangedInStoreNotifications
as they are dispatched? Is there a way to watch when the shared EC
invalidates/refaults some of its contents?
Am I mistaken about how this should work?
Thanks,
Hunter
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