CODEWITHSUNDEEP
objective-cios
azamsharp
azamsharp

Reputation: 20086

Referencing the Nested Object from Parent Object

I am not sure why I am not able to make a reference to the child object properties from parent. Here is the relationship: 

@class Vegetable;

@interface MyVegetableGarden : NSManagedObject

@property (nonatomic) NSTimeInterval datecreated;
@property (nonatomic) NSTimeInterval datemodified;
@property (nonatomic) BOOL active;
@property (nonatomic, retain) Vegetable *vegetable;

@end

And here is the Vegetable class:

#import <Foundation/Foundation.h>
#import <CoreData/CoreData.h>

@class VegetableCategory;

@interface Vegetable : NSManagedObject

@property (nonatomic, retain) NSString * about;
@property (nonatomic) BOOL active;
@property (nonatomic) NSTimeInterval dateCreated;
@property (nonatomic) NSTimeInterval dateModified;
@property (nonatomic, retain) NSString * imageURL;
@property (nonatomic, retain) NSString * name;
@property (nonatomic, retain) VegetableCategory *vegetableCategory;

@end

Now, I am trying to access the name property of the Vegetable class using the following code: 

MyVegetableGarden *v = [[MyVegetableGarden alloc] init];

v.vegetable.name   // For some reason the compiler says that name property is not found

Upvotes: 0

Views: 177

Answers (2)

Paul.s
Paul.s

Reputation: 38728

I'm not sure you can create an NSManagedObject like that :S

The docs state

If you instantiate a managed object directly, you must call the designated initializer (initWithEntity:insertIntoManagedObjectContext:).

Also see

Important: This method is the designated initializer for NSManagedObject. You must not initialize a managed object simply by sending it init.

Upvotes: 1

Chris Devereux
Chris Devereux

Reputation: 5473

Make sure you've #imported Vegetable.h in the file where you access the name property

Upvotes: 1

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