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January 4, 2016 19:09
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Simple example of using a Transformable object as part of a CoreData model. Use it only for very simple objects, with no relations.
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@interface MOFAddress : NSObject <NSCoding> | |
@property (nonatomic, strong) NSString *city; | |
@property (nonatomic, strong) NSString *number; | |
@property (nonatomic, strong) NSString *street; | |
@property (nonatomic, strong) NSString *postCode; | |
@property (nonatomic, strong) NSString *location; | |
@end |
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@implementation MOFAddress | |
- (id)initWithCoder:(NSCoder *)decoder { | |
self = [super init]; | |
if (self) { | |
self.city = [decoder decodeObjectForKey:@"city"]; | |
self.street = [decoder decodeObjectForKey:@"street"]; | |
self.number = [decoder decodeObjectForKey:@"number"]; | |
self.postCode = [decoder decodeObjectForKey:@"postCode"]; | |
self.location = [decoder decodeObjectForKey:@"location"]; | |
} | |
return self; | |
} | |
- (void)encodeWithCoder:(NSCoder *)encoder { | |
[encoder encodeObject:self.city forKey:@"city"]; | |
[encoder encodeObject:self.street forKey:@"street"]; | |
[encoder encodeObject:self.number forKey:@"number"]; | |
[encoder encodeObject:self.postCode forKey:@"postCode"]; | |
[encoder encodeObject:self.location forKey:@"location"]; | |
} | |
@end |
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//Define the address as a Transformable in your Model class that contains the address | |
T addressData Transformable | |
//Create a category if you want type checks | |
@property (nonatomic, strong) MOFAddress *address; | |
- (void)setAddress:(MOFAddress *)address { | |
self.addressData = address; | |
} | |
- (MOFAddress *)address { | |
return self.addressData; | |
} |
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