Core-Data willSave: method

Question

I have an attribute modificationDate in my Entity A. I want to set its value whenever NSManagedObject is saved. However, if i try to d

Answer 1

Actually a much better way than the accepted answer would be to use primitive accessors, as suggested in NSManagedObject's Documentation

`

- (void)willSave
{
    if (![self isDeleted])
    {
        [self setPrimitiveValue:[NSDate date] forKey:@"updatedAt"];
    }
    [super willSave];
}

`

Also, check whether the object is marked for deletion with -isDeleted, as -willSave gets called for those too.