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Breakthrough on parent/child MOC setup

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This commit is contained in:
Blake Watters
2012-07-13 14:11:48 -04:00
parent f0706dbdbf
commit cfa0df1841
10 changed files with 45 additions and 326 deletions
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69
Code/CoreData/RKManagedObjectMappingOperationDataSource.m
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@@ -44,6 +44,16 @@
return self;
}
- (void)dealloc
{
self.managedObjectCache = nil;
self.managedObjectContext = nil;
self.operationQueue = nil;
[super dealloc];
}
// TODO: Encapsulate this logic into another class...
- (id)objectForMappableContent:(id)mappableContent mapping:(RKObjectMapping *)mapping
{
NSAssert(mappableContent, @"Mappable data cannot be nil");
@@ -56,16 +66,16 @@
RKEntityMapping *entityMapping = (RKEntityMapping *)mapping;
id object = nil;
id primaryKeyValue = nil;
NSString* primaryKeyAttribute;
NSString *primaryKeyAttribute;
NSEntityDescription* entity = [entityMapping entity];
RKObjectAttributeMapping* primaryKeyAttributeMapping = nil;
NSEntityDescription *entity = [entityMapping entity];
RKObjectAttributeMapping *primaryKeyAttributeMapping = nil;
primaryKeyAttribute = [entityMapping primaryKeyAttribute];
if (primaryKeyAttribute) {
// If a primary key has been set on the object mapping, find the attribute mapping
// so that we can extract any existing primary key from the mappable data
for (RKObjectAttributeMapping* attributeMapping in entityMapping.attributeMappings) {
for (RKObjectAttributeMapping *attributeMapping in entityMapping.attributeMappings) {
if ([attributeMapping.destinationKeyPath isEqualToString:primaryKeyAttribute]) {
primaryKeyAttributeMapping = attributeMapping;
break;
@@ -113,41 +123,8 @@
return object;
}
// TODO: Encapsulate the connection logic into a new object...
// The findConnected: etc methods from the connection mapping should live on the connector/connectionOperation
//- (void)connectRelationshipForManagedObject:(NSManagedObject *)managedObject connectionMapping:(RKConnectionMapping *)connectionMapping
//{
// RKLogTrace(@"Connecting relationship '%@'", connectionMapping.relationshipName);
//
// id relatedObject = [connectionMapping findConnected:managedObject usingCache:self.managedObjectCache];
// if (relatedObject) {
// [managedObject setValue:relatedObject forKeyPath:connectionMapping.relationshipName];
// RKLogDebug(@"Connected relationship '%@' to object '%@'", connectionMapping.relationshipName, relatedObject);
// } else {
// RKEntityMapping *objectMapping = (RKEntityMapping *)connectionMapping.mapping;
// RKLogDebug(@"Failed to find instance of '%@' to connect relationship '%@'", [[objectMapping entity] name], connectionMapping.relationshipName);
// }
//}
//- (void)connectRelationshipsForManagedObject:(NSManagedObject *)managedObject entityMapping:(RKEntityMapping *)entityMapping
//{
// RKLogTrace(@"Connecting relationships for managed object %@ using connection mappings: %@", managedObject, entityMapping.connections);
// for (RKConnectionMapping *connectionMapping in entityMapping.connections) {
// if (self.queue) {
// RKLogTrace(@"Enqueueing relationship connection using operation queue");
// __block RKManagedObjectMappingOperationDataSource *selfRef = self;
// [self.queue addOperationWithBlock:^{
// [selfRef connectRelationshipForManagedObject:managedObject connectionMapping:connectionMapping];
// }];
// } else {
// [self connectRelationshipForManagedObject:managedObject connectionMapping:connectionMapping];
// }
// }
//}
/*
Mapping operations should be executed against managed object contexts
Mapping operations should be executed against managed object contexts with NSPrivateQueueConcurrencyType
*/
- (BOOL)executingConnectionOperationsWouldDeadlock
{
@@ -169,18 +146,10 @@
if ([mappingOperation.objectMapping isKindOfClass:[RKEntityMapping class]]) {
[self emitDeadlockWarningIfNecessary];
NSLog(@"The destination object is: %@. isInserted = %d", mappingOperation.destinationObject, [mappingOperation.destinationObject isInserted]);
// RKEntityConnectionOperation *operation = [[RKEntityConnectionOperation alloc] initWithManagedObject:mappingOperation.destinationObject
// entityMapping:(RKEntityMapping *)mappingOperation.objectMapping
// managedObjectCache:self.managedObjectCache];
for (RKConnectionMapping *connectionMapping in [(RKEntityMapping *)mappingOperation.objectMapping connections]) {
RKEntityConnectionOperation *operation = [[RKEntityConnectionOperation alloc] initWithManagedObject:mappingOperation.destinationObject
entityMapping:(RKEntityMapping *)mappingOperation.objectMapping
managedObjectCache:self.managedObjectCache];
// RKRelationshipConnectionOperation *operation = [[RKRelationshipConnectionOperation alloc] initWithManagedObject:mappingOperation.destinationObject
// connectionMapping:connectionMapping
// managedObjectCache:self.managedObjectCache];
RKRelationshipConnectionOperation *operation = [[RKRelationshipConnectionOperation alloc] initWithManagedObject:mappingOperation.destinationObject
connectionMapping:connectionMapping
managedObjectCache:self.managedObjectCache];
if (self.operationQueue) {
[self.operationQueue addOperation:operation];
} else {
@@ -188,8 +157,6 @@
}
[operation release];
}
// [self connectRelationshipsForManagedObject:mappingOperation.destinationObject entityMapping:(RKEntityMapping *)mappingOperation.objectMapping];
}
}