Extending NSManagedObject classes - Part 1

cd_additions_part1.m

// NSManagedObject+CDAdditions.h
@interface NSManagedObject (CDAdditions)

+ (NSString *)CDAdditionsEntityName;
+ (instancetype)CDAdditionsInsertNewObjectIntoContext:(NSManagedObjectContext *)context;

@end

// NSManagedObject+CDAdditions.m
@implementation NSManagedObject (CDAdditions)

+ (NSString *)CDAdditionsEntityName { 
  return NSStringFromClass(self);
}

+ (instancetype)CDAdditionsInsertNewObjectIntoContext:(NSManagedObjectContext *)context { 
  return [NSEntityDescription insertNewObjectForEntityForName:[self CDAdditionsEntityName] inManagedObjectContext:context];
}

@end