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Fix for issues setting many-to-many relationships on NSManagedObjects, as well as some additional test coverage for the issue. fixes #271

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This commit is contained in:
Jeff Arena
2011-08-25 21:15:59 -04:00
committed by Blake Watters
parent 07830b5d87
commit aceb75200a
9 changed files with 135 additions and 0 deletions
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20
Code/ObjectMapping/RKObjectMappingOperation.m
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@@ -395,6 +395,26 @@ BOOL RKObjectIsValueEqualToValue(id sourceValue, id destinationValue) {
if (type && NO == [[destinationObject class] isSubclassOfClass:type]) {
destinationObject = [self transformValue:destinationObject atKeyPath:relationshipMapping.sourceKeyPath toType:type];
}
// If the relationship has changed, set it
if ([self shouldSetValue:destinationObject atKeyPath:relationshipMapping.destinationKeyPath]) {
Class managedObjectClass = NSClassFromString(@"NSManagedObject");
if (managedObjectClass && [self.destinationObject isKindOfClass:managedObjectClass]) {
RKLogTrace(@"Found a managedObject collection. About to apply value via mutable[Set|Array]ValueForKey");
if ([destinationObject isKindOfClass:[NSSet class]]) {
RKLogTrace(@"Mapped NSSet relationship object from keyPath '%@' to '%@'. Value: %@", relationshipMapping.sourceKeyPath, relationshipMapping.destinationKeyPath, destinationObject);
NSMutableSet* destinationSet = [self.destinationObject mutableSetValueForKey:relationshipMapping.destinationKeyPath];
[destinationSet setSet:destinationObject];
} else if ([destinationObject isKindOfClass:[NSArray class]]) {
RKLogTrace(@"Mapped NSArray relationship object from keyPath '%@' to '%@'. Value: %@", relationshipMapping.sourceKeyPath, relationshipMapping.destinationKeyPath, destinationObject);
NSMutableArray* destinationArray = [self.destinationObject mutableArrayValueForKey:relationshipMapping.destinationKeyPath];
[destinationArray setArray:destinationObject];
}
} else {
RKLogTrace(@"Mapped relationship object from keyPath '%@' to '%@'. Value: %@", relationshipMapping.sourceKeyPath, relationshipMapping.destinationKeyPath, destinationObject);
[self.destinationObject setValue:destinationObject forKey:relationshipMapping.destinationKeyPath];
}
}
} else {
// One to one relationship
RKLogDebug(@"Mapping one to one relationship value at keyPath '%@' to '%@'", relationshipMapping.sourceKeyPath, relationshipMapping.destinationKeyPath);