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Docs for mapping operation data source. Still don't love the method names. Maybe we can eliminate this somehow...

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Blake Watters
2012-09-19 22:55:25 -04:00
parent 5a20754698
commit 991ced34da
7 changed files with 74 additions and 12 deletions
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8
Code/CoreData/RKManagedObjectMappingOperationDataSource.m
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@@ -38,9 +38,9 @@
}
- (id)objectForMappableContent:(id)mappableContent mapping:(RKObjectMapping *)mapping
- (id)mappingOperation:(RKMappingOperation *)mappingOperation targetObjectForRepresentation:(NSDictionary *)representation withMapping:(RKObjectMapping *)mapping
{
NSAssert(mappableContent, @"Mappable data cannot be nil");
NSAssert(representation, @"Mappable data cannot be nil");
NSAssert(self.managedObjectContext, @"%@ must be initialized with a managed object context.", [self class]);
if (! [mapping isKindOfClass:[RKEntityMapping class]]) {
@@ -69,11 +69,11 @@
// Get the primary key value out of the mappable data (if any)
if ([primaryKeyAttributeMapping isMappingForKeyOfNestedDictionary]) {
RKLogDebug(@"Detected use of nested dictionary key as primaryKey attribute...");
primaryKeyValue = [[mappableContent allKeys] lastObject];
primaryKeyValue = [[representation allKeys] lastObject];
} else {
NSString* keyPathForPrimaryKeyElement = primaryKeyAttributeMapping.sourceKeyPath;
if (keyPathForPrimaryKeyElement) {
primaryKeyValue = [mappableContent valueForKeyPath:keyPathForPrimaryKeyElement];
primaryKeyValue = [representation valueForKeyPath:keyPathForPrimaryKeyElement];
} else {
RKLogWarning(@"Unable to find source attribute for primaryKeyAttribute '%@': unable to find existing object instances by primary key.", primaryKeyAttribute);
}