RLMObject Base Model Class with Primary Key - Objective-C

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An example of a RLMObject base model class that uses a primary key and some generic default properties. Subclasses can then set metadata specific to their needs.

@interface BaseModel : RLMObject

@property NSString *uuid;
@property NSString *metadata;

@end

@implementation BaseModel

+ (NSString *)primaryKey
{
    return @"uuid";
}

+ (NSDictionary *)defaultPropertyValues
{
    NSMutableDictionary *defaultPropertyValues = [NSMutableDictionary dictionaryWithDictionary:[super defaultPropertyValues]];
    NSString *uuid = [[NSUUID UUID] UUIDString];
    [defaultPropertyValues setValue:@"" forKey:@"metadata"];
    [defaultPropertyValues setValue:uuid forKey:@"uuid"];
    return defaultPropertyValues;
}

+ (NSArray *)ignoredProperties
{
    return @[];
}

@end

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