Core DataとiCloudの同期を実現しようとしています。
[self fetchedResultsControllerICloud] performFetch:&error]を実行しようとすると、
-(id)init
[self managedObjectModelICloud];
[self managedObjectContextICloud];
if (![[self fetchedResultsControllerICloud] performFetch:&error]) {
NSLog(@"Unresolved error %@, %@", error, [error userInfo]);
exit(-1); // Fail
}
エラーが発生しました
2012-11-12 23:50:34.917 My English words[1072:907] iCloud access at file://localhost/private/var/mobile/Library/Mobile%20Documents/LUB2V2L4R3~ru~________~My-English-words/
2012-11-12 23:50:34.920 My English words[1072:907] count: 0
2012-11-12 23:50:34.935 My English words[1072:110b] iCloudData: /private/var/mobile/Library/Mobile Documents/LUB2V2L4R3~ru~________~My-English-words/Documents/My_English_words.sqlite
2012-11-12 23:50:34.938 My English words[1072:110b] -[__NSCFConstantString path]: unrecognized selector sent to instance 0x8ca28
2012-11-12 23:50:34.940 My English words[1072:110b] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[__NSCFConstantString path]: unrecognized selector sent to instance 0x8ca28'
*** First throw call stack:
(0x331012a3 0x33fbf97f 0x33104e07 0x33103531 0x3305af68 0x344b840b 0x343805cf 0x3437e73d 0x7fe33 0x356f111f 0x356ff259 0x356ff3b9 0x3572fa11 0x3572f8a4)
libc++abi.dylib: terminate called throwing an exception
(lldb)
[_persistentStoreCoordinatorICloud addPersistentStoreWithType:NSSQLiteStoreType文字列でリンク - (NSPersistentStoreCoordinator *)persistentStoreCoordinatorICloudメソッド
#define sqlLiteDataBaseName @"My_English_words.sqlite"
#define sqlLiteDataBasePath @"Documents"
#define iCloudEnabledAppID @"LUB2V2L4R3.ru.________.My-English-words"
//************************************************
- (NSManagedObjectContext *)managedObjectContextICloud
{
if (_managedObjectContextICloud != nil) {
return _managedObjectContextICloud;
}
NSPersistentStoreCoordinator *coordinator = [self persistentStoreCoordinatorICloud];
if (coordinator != nil) {
_managedObjectContextICloud = [[NSManagedObjectContext alloc] init];
[_managedObjectContextICloud setPersistentStoreCoordinator:coordinator];
}
return _managedObjectContextICloud;
}
//************************************************
- (NSManagedObjectModel *)managedObjectModelICloud
{
if (_managedObjectModelICloud != nil) {
return _managedObjectModelICloud;
}
NSURL *modelURL = [[NSBundle mainBundle] URLForResource:@"My_English_words" withExtension:@"momd"];
_managedObjectModelICloud = [[NSManagedObjectModel alloc] initWithContentsOfURL:modelURL];
return _managedObjectModelICloud;
}
//************************************************
- (NSPersistentStoreCoordinator *)persistentStoreCoordinatorICloud
{
NSURL *iCloud = [[NSFileManager defaultManager] URLForUbiquityContainerIdentifier:nil];
NSLog(@"iCloud access at %@", iCloud);
NSString *pathString=[[iCloud path] stringByAppendingPathComponent:sqlLiteDataBasePath];
_persistentStoreCoordinatorICloud = [[NSPersistentStoreCoordinator alloc] initWithManagedObjectModel:[self managedObjectModelICloud]];
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
if([[NSFileManager defaultManager] fileExistsAtPath:pathString] == NO)
{
NSLog(@"!Exist");
NSError *fileSystemError;
[[NSFileManager defaultManager] createDirectoryAtPath:pathString
withIntermediateDirectories:YES
attributes:nil
error:&fileSystemError];
if(fileSystemError != nil) {
NSLog(@"Error creating database directory %@", fileSystemError);
}
}
NSString *iCloudData = [[[iCloud path] stringByAppendingPathComponent:sqlLiteDataBasePath] stringByAppendingPathComponent:sqlLiteDataBaseName];
NSLog(@"iCloudData: %@",iCloudData);
NSMutableDictionary *options = [NSMutableDictionary dictionary];
[options setObject:[NSNumber numberWithBool:YES] forKey:NSMigratePersistentStoresAutomaticallyOption];
[options setObject:[NSNumber numberWithBool:YES] forKey:NSInferMappingModelAutomaticallyOption];
[options setObject:iCloudEnabledAppID forKey:NSPersistentStoreUbiquitousContentNameKey];
[options setObject:sqlLiteDataBasePath forKey:NSPersistentStoreUbiquitousContentURLKey];
[_persistentStoreCoordinatorICloud lock];
[_persistentStoreCoordinatorICloud addPersistentStoreWithType:NSSQLiteStoreType
configuration:nil
URL:[NSURL fileURLWithPath:iCloudData]
options:options
error:nil];
[_persistentStoreCoordinatorICloud unlock];
dispatch_async(dispatch_get_main_queue(), ^{
NSLog(@"asynchronously added persistent store!");
[[NSNotificationCenter defaultCenter] postNotificationName:@"RefetchAllDatabaseData" object:self userInfo:nil];
});
});
return _persistentStoreCoordinatorICloud;
}
//************************************************
- (NSFetchedResultsController *)fetchedResultsControllerICloud{
NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
NSEntityDescription *entity = [NSEntityDescription entityForName:@"OriginalWords" inManagedObjectContext:_managedObjectContextICloud];
[fetchRequest setEntity:entity];
NSSortDescriptor *sort = [[NSSortDescriptor alloc] initWithKey:@"date" ascending:NO];
[fetchRequest setSortDescriptors:[NSArray arrayWithObject:sort]];
[fetchRequest setFetchBatchSize:1000];
NSFetchedResultsController *theFetchedResultsController = [[NSFetchedResultsController alloc] initWithFetchRequest:fetchRequest
managedObjectContext:_managedObjectContextICloud
sectionNameKeyPath:nil
cacheName:nil];
self.fetchedResultsControllerICloud = theFetchedResultsController;
_fetchedResultsControllerICloud.delegate = self;
return _fetchedResultsControllerICloud;
}