2014/10/15 下午 10:05:06

iphone Programming Glossary: childobject

http://stackoverflow.com/questions/2362323/json-and-core-data-on-the-iphone

isToMany NSDictionary childStructureDictionary structureDictionary objectForKey relationshipName NSManagedObject childObject self managedObjectFromStructure childStructureDictionary withManagedObjectContext moc managedObject setObject childObject.. self managedObjectFromStructure childStructureDictionary withManagedObjectContext moc managedObject setObject childObject forKey relationshipName continue NSMutableSet relationshipSet managedObject mutableSetForKey relationshipName NSArray relationshipArray.. objectForKey relationshipName for NSDictionary childStructureDictionary in relationshipArray NSManagedObject childObject self managedObjectFromStructure childStructureDictionary withManagedObjectContext moc relationshipSet addObject childObject..

How can I solve this Problem with bidirectional dependencies in Objective-C classes?

http://stackoverflow.com/questions/834955/how-can-i-solve-this-problem-with-bidirectional-dependencies-in-objective-c-clas

an instance variable. In detail ClassA will alloc and init ClassB in the designated initializer and assign that to the childObject instance variable. It's header looks like this #import Foundation Foundation.h #import ClassB.h @interface ClassA NSObject.. It's header looks like this #import Foundation Foundation.h #import ClassB.h @interface ClassA NSObject ClassB childObject @end Then there is the header of ClassB. ClassB has to have a reference to ClassA. #import Foundation Foundation.h #import.. in the header files and then use #import only in the .m files ClassA.h @class ClassB @interface ClassA NSObject ClassB childObject @end ClassA.m #import ClassA.h #import ClassB.h @implementation ClassA .. @end ClassB.h @class ClassA @interface ClassB..