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我正努力使用RESTkit 0.20.0-pre6獲得核心數據關係的正確映射。未與RESTkit映射的核心數據關係
我想這個JSON映射:
{ "items" : [ {"id" : 2001, "itemAttr1" : "..."}, ...<more items>... ],
"rooms": [ {"id" : 3001, "items": [2001, ...<more item id's>...] }
到相應的核心數據模型:
Entity ItemMO (Attributes "id", "itemAttr1", Relationship "room" to RoomMO)
Entity RoomMO (Attributes "id", Relationship "items" to ItemMO)
的屬性映射罰款,但關係是空的。
我一直在使用RKConnectionDescription
描述here嘗試,使用此代碼:
NSEntityDescription *roomEntity = [NSEntityDescription entityForName:@"RoomMO" inManagedObjectContext:self.context];
NSRelationshipDescription *itemsInRoom = [roomEntity relationshipsByName][@"items"];
RKConnectionDescription *connection = [[RKConnectionDescription alloc] initWithRelationship:devicesInRoom keyPath:@"devices"];
[roomMapping addConnection:connection];
我一直在使用一個簡單的RKRelationshipMapping
不得要領也嘗試:
[itemMapping addPropertyMapping:[RKRelationshipMapping relationshipMappingFromKeyPath:nil toKeyPath:@"room" withMapping:roomMapping]];
我必須失去了一些東西簡單這不應該成爲RESTkit的一個特例。有任何想法嗎?
+1用於明確排除RESTKit在沒有額外外鍵屬性的情況下執行此映射的容量。 –