I do migration in a subclass of NSDocumentController in the
openDocumentWithContentsOfURL:display:error: method. Works great, but
I've only tested on 10.4 so far. You migrate the store and then call
[super openDocumentWithContentsOfURL...].
Dave
On Feb 5, 2009, at 9:56 AM, Dan Grassi wrote:
I am doing the migration in
readFromURL:ofType:error:
I call: migrationManager with
migrateStoreFromURL:type:options:withMappingModel:toDestinationURL:des
tinationType:destinationOptions:error:
Thus I get a new file on the migration, that seems to be the crux
of the problem. So I don't really understand copying the store
file and them migrating.
I call
[self setFileURL:[NSURL fileURLWithPath:storeFilePath]];
[self setFileModificationDate:[[fileManager
fileAttributesAtPath:storeFilePath traverseLink:YES]
fileModificationDate]];
and this changes the dialog message from "...changed by another
app..." to "...has been moved..."
A little more info, this is 10.5 only and currently xml stores.
Thanks,
Dan
On Feb 4, 2009, at 4:14 PM, sanchezm wrote:
On Feb 4, 2009, at 12:25 PM, Dan Grassi wrote:
After having read everything I can google I have only progressed to:
"The document “project.xml” has been moved."
I am doing a manual migration so I do not call
configurePersistentStore:... as Miguel suggests but have tried
setFileModificationDate as suggested and I only get a slightly
better but still confusing message as above.
so where are you doing the migration?
If you're moving the document during your manual migration, I
might suggest copying it and then migrating over the original copy.
- Miguel
I have tried FSExchangeObjects but that did not help.
I have not tried moving the migration code to a -writeToURL: or -
saveToURL: method and calling that if I need to migrate, surely
there is a less convoluted way.
Any help will be greatly appreciated.
Dan
On Feb 4, 2009, at 12:42 PM, Barry Wark wrote:
I recently asked a related question on StackOverflow:
http://stackoverflow.com/questions/380076/manual-core-data-
schema-migration-without-document-changed-warning.
The answer should help you out.
On Tue, Feb 3, 2009 at 9:08 AM, Dan Grassi <d...@marware.com> wrote:
I have a CoreData application and am migrating the data store.
When the
user opens an old store the migration happens automatically
creating a new
file. The problem is when the user saves the first time after
the migration
he gets the message: "This document's file has been changed by
another
application since you opened or saved it."
What is the correct procedure for handling the file change or
how can I
avoid this message?
Thanks,
Dan
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