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Add support for deleting Core Data managed objects that fail validation out of the mapping context. This enables you to silently drop mapping for managed objects that fail validation. fixes #691 closes #694

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Blake Watters
2013-01-01 23:56:58 -05:00
parent a30263b196
commit 879ffd73e6
7 changed files with 54 additions and 3 deletions
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14
Code/CoreData/RKManagedObjectMappingOperationDataSource.m
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@@ -32,6 +32,7 @@
#import "RKValueTransformers.h"
#import "RKRelationshipMapping.h"
#import "RKObjectUtilities.h"
#import "NSManagedObject+RKAdditions.h"
extern NSString * const RKObjectMappingNestingAttributeKeyName;
@@ -243,8 +244,7 @@ extern NSString * const RKObjectMappingNestingAttributeKeyName;
}
if (managedObject == nil) {
managedObject = [[NSManagedObject alloc] initWithEntity:entity
insertIntoManagedObjectContext:self.managedObjectContext];
managedObject = [[NSManagedObject alloc] initWithEntity:entity insertIntoManagedObjectContext:self.managedObjectContext];
[managedObject setValuesForKeysWithDictionary:entityIdentifierAttributes];
if ([self.managedObjectCache respondsToSelector:@selector(didCreateObject:)]) {
@@ -276,6 +276,16 @@ extern NSString * const RKObjectMappingNestingAttributeKeyName;
if ([mappingOperation.objectMapping isKindOfClass:[RKEntityMapping class]]) {
[self emitDeadlockWarningIfNecessary];
// Validate unsaved objects
if ([mappingOperation.destinationObject isKindOfClass:[NSManagedObject class]] && [(NSManagedObject *)mappingOperation.destinationObject isNew]) {
NSError *validationError = nil;
if (! [(NSManagedObject *)mappingOperation.destinationObject validateForInsert:&validationError]) {
RKLogDebug(@"Unsaved NSManagedObject failed `validateForInsert:` - Deleting object from context: %@", validationError);
[self.managedObjectContext deleteObject:mappingOperation.destinationObject];
return YES;
}
}
NSArray *connections = [(RKEntityMapping *)mappingOperation.objectMapping connections];
if ([connections count] > 0 && self.managedObjectCache == nil) {
NSDictionary *userInfo = @{ NSLocalizedDescriptionKey: @"Cannot map an entity mapping that contains connection mappings with a data source whose managed object cache is nil." };