Restkit Core数据一对一映射

时间：2014-07-10 15:19:03

标签： ios objective-c core-data restkit

我是新来的kit2.0。对一对多关系有一些问题。 下面是我的模型，restkit实现＆amp; json回应。

enter image description here 

@interface **DocumentCategory** : NSManagedObject

@property (nonatomic, retain) NSNumber * categoryDeleted;
@property (nonatomic, retain) NSString * categoryDeviceIconUrl;
@property (nonatomic, retain) NSNumber * categoryId;
@property (nonatomic, retain) NSString * categoryName;
@property (nonatomic, retain) NSString * categoryServerIconUrl;
@property (nonatomic, retain) NSOrderedSet *documentObjects;
@end

@interface **AppDocument** : NSManagedObject

@property (nonatomic, retain) NSNumber * documentDeleted;
@property (nonatomic, retain) NSString * documentDesc;
@property (nonatomic, retain) NSString * documentIconDeviceUrl;
@property (nonatomic, retain) NSString * documentIconServerUrl;
@property (nonatomic, retain) NSNumber * documentId;
@property (nonatomic, retain) NSString * documentName;
@property (nonatomic, retain) NSString * documentPdfDeviceUrl;
@property (nonatomic, retain) NSString * documentPdfServerUrl;
@property (nonatomic, retain) NSString * documentVideoDeviceUrl;
@property (nonatomic, retain) NSString * documentVideoServerUrl;
@property (nonatomic, retain) DocumentCategory *categoryObject;

@end

这是我的休息套件实施

    RKEntityMapping *documentCategoryMapping = [RKEntityMapping mappingForEntityForName:@"DocumentCategory" inManagedObjectStore:objectManager.managedObjectStore];
        [documentCategoryMapping addAttributeMappingsFromDictionary:@{
                                                                      @"Id":@"categoryId",
                                                                      @"CategoryDeleted":@"categoryDeleted",
                                                                      @"CaegoryName":@"categoryName",
                                                                      @"CategoryServerIconUrl":@"categoryServerIconUrl"
                                                                      }];



    RKEntityMapping *appDocumentMapping = [RKEntityMapping mappingForEntityForName:@"AppDocument" inManagedObjectStore:objectManager.managedObjectStore];
        [appDocumentMapping addAttributeMappingsFromDictionary:@{
                                                      @"Id":   @"documentId",
                                                      @"AppDescription":   @"documentDesc",
                                                      @"documentDeleted":   @"documentDeleted",
                                                      @"AppIcon":     @"documentIconServerUrl",
                                                      @"Title":        @"documentName",
                                                      @"AppPDFurl":   @"documentPdfServerUrl",
                                                      @"AppVideourl":     @"documentVideoServerUrl"
                                                      }];
        [appDocumentMapping setIdentificationAttributes:[NSArray arrayWithObjects:@"documentId", nil]];


 [appDocumentMapping addPropertyMapping:[RKRelationshipMapping relationshipMappingFromKeyPath:@"AppCategoryIDId" toKeyPath:@"categoryObject" withMapping:documentCategoryMapping]];


RKResponseDescriptor *documentDescriptor = [RKResponseDescriptor responseDescriptorWithMapping:appDocumentMapping method:RKRequestMethodAny pathPattern:@"AppHelp/AppDetails" keyPath:@"d.results" statusCodes:statusCodes];
//[objectManager addResponseDescriptorsFromArray:[NSArray arrayWithObjects:categoryDescriptor,documentDescriptor,appDetailsDescriptor,appDetailsForVersionDescriptor,errorDescriptor, nil]];

    [objectManager addResponseDescriptorsFromArray:[NSArray arrayWithObjects:categoryDescriptor,documentDescriptor,errorDescriptor, nil]];




 [[RKObjectManager sharedManager] getObjectsAtPath:@"AppHelp/AppCategory"  parameters:nil success:^(RKObjectRequestOperation *operation, RKMappingResult *mappingResult)
         {
             //  NSLog(@"Loading mapping result: %@", mappingResult);

             //[self hideProgressHUD];








             [[RKObjectManager sharedManager] getObjectsAtPath:@"AppHelp/AppDetails"  parameters:nil success:^(RKObjectRequestOperation *operation, RKMappingResult *mappingResult)
              {
                  //  NSLog(@"Loading mapping result: %@", mappingResult);

                  [self hideProgressHUD];
              }
                                                       failure:^(RKObjectRequestOperation *operation, NSError *error)
              {
                  //NSLog(@"error %@",[error description]);
                  [self hideProgressHUD];
              }];






         }
        failure:^(RKObjectRequestOperation *operation, NSError *error)
         {
             //NSLog(@"error %@",[error description]);
             [self hideProgressHUD];
         }];

通过以上实现，我收到以下错误消息。

Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[<__NSCFNumber 0xbd5bad0> valueForUndefinedKey:]: this class is not key value coding-compliant for the key CategoryServerIconUrl.'

感谢您宝贵的时间，我们将非常感谢您提供解决方案/帮助/建议。

以下是json的回复。

对于第一个请求，我得到低于响应。

{
  "d": {
    "results": [
      {
        "__metadata": {
          "uri": "/listdata.svc/AppCategory(1)",
          "etag": "W/\"3\"",
          "type": "Microsoft.SharePoint.DataService.AppCategoryItem"
        },
        "ContentTypeID": "0x01006A3A58069D41EF409018396EB125A5E9",

        "CaegoryName": "Productivity",
        "CategoryServerIconUrl": "http://www.google.com, http://www.google.com",
        "CategoryDeleted": false,
        "Id": 1,
        "ContentType": "Item",
        "Modified": "\/Date(1404806841000)\/",
        "Created": "\/Date(1403657024000)\/",
        "CreatedBy": {
          "__deferred": {
            "uri": "/listdata.svc/AppCategory(1)/CreatedBy"
          }
        },
        "CreatedById": 60,
        "ModifiedBy": {
          "__deferred": {
            "uri": "/listdata.svc/AppCategory(1)/ModifiedBy"
          }
        },
        "ModifiedById": 26215,
        "Owshiddenversion": 3,
        "Version": "1.0",
        "Attachments": {
          "__deferred": {
            "uri": "/listdata.svc/AppCategory(1)/Attachments"
          }
        },
        "Path": "/sites/gis/Mobile Apps/Lists/AppCategory"
      },
      {
        "__metadata": {
          "uri": "/listdata.svc/AppCategory(2)",
          "etag": "W/\"3\"",
          "type": "Microsoft.SharePoint.DataService.AppCategoryItem"
        },
        "ContentTypeID": "0x01006A3A58069D41EF409018396EB125A5E9",
        "CaegoryName": "Business",
        "CategoryServerIconUrl": "http://www.google.com, http://www.google.com",
        "CategoryDeleted": false,
        "Id": 2,
        "ContentType": "Item",
        "Modified": "\/Date(1404806874000)\/",
        "Created": "\/Date(1403657032000)\/",
        "CreatedBy": {
          "__deferred": {
            "uri": "/listdata.svc/AppCategory(2)/CreatedBy"
          }
        },
        "CreatedById": 60,
        "ModifiedBy": {
          "__deferred": {
            "uri": "/listdata.svc/AppCategory(2)/ModifiedBy"
          }
        },
        "ModifiedById": 26215,
        "Owshiddenversion": 3,
        "Version": "1.0",
        "Attachments": {
          "__deferred": {
            "uri": "/listdata.svc/AppCategory(2)/Attachments"
          }
        },
        "Path": "/sites/gis/Mobile Apps/Lists/AppCategory"
      },
      {
        "__metadata": {
          "uri": "/listdata.svc/AppCategory(3)",
          "etag": "W/\"3\"",
          "type": "Microsoft.SharePoint.DataService.AppCategoryItem"
        },
        "ContentTypeID": "0x01006A3A58069D41EF409018396EB125A5E9",
        "CaegoryName": "Connectivity",
        "CategoryServerIconUrl": "http://www.google.com, http://www.google.com",
        "CategoryDeleted": false,
        "Id": 3,
        "ContentType": "Item",
        "Modified": "\/Date(1404806911000)\/",
        "Created": "\/Date(1403657047000)\/",
        "CreatedBy": {
          "__deferred": {
            "uri": "/listdata.svc/AppCategory(3)/CreatedBy"
          }
        },
        "CreatedById": 60,
        "ModifiedBy": {
          "__deferred": {
            "uri": "/listdata.svc/AppCategory(3)/ModifiedBy"
          }
        },
        "ModifiedById": 26215,
        "Owshiddenversion": 3,
        "Version": "1.0",
        "Attachments": {
          "__deferred": {
            "uri": "/listdata.svc/AppCategory(3)/Attachments"
          }
        },
        "Path": "/sites/gis/Mobile Apps/Lists/AppCategory"
      },
      {
        "__metadata": {
          "uri": "/listdata.svc/AppCategory(4)",
          "etag": "W/\"3\"",
          "type": "Microsoft.SharePoint.DataService.AppCategoryItem"
        },
        "ContentTypeID": "0x01006A3A58069D41EF409018396EB125A5E9",
        "CaegoryName": "General",
        "CategoryServerIconUrl": "http://www.google.com, http://www.google.com",
        "CategoryDeleted": false,
        "Id": 4,
        "ContentType": "Item",
        "Modified": "\/Date(1404806934000)\/",
        "Created": "\/Date(1403823724000)\/",
        "CreatedBy": {
          "__deferred": {
            "uri": "/listdata.svc/AppCategory(4)/CreatedBy"
          }
        },
        "CreatedById": 23323,
        "ModifiedBy": {
          "__deferred": {
            "uri": "/listdata.svc/AppCategory(4)/ModifiedBy"
          }
        },
        "ModifiedById": 26215,
        "Owshiddenversion": 3,
        "Version": "1.0",
        "Attachments": {
          "__deferred": {
            "uri": "/listdata.svc/AppCategory(4)/Attachments"
          }
        },
        "Path": "/sites/gis/Mobile Apps/Lists/AppCategory"
      }
    ]
  }
}

收到回复后，点击另一个请求以获取文件json。

{
  "d": {
    "results": [
      {
        "__metadata": {
          "uri": ")",
          "etag": "W/\"1\"",
          "type": ""
        },
        "ContentTypeID": "0x010050E1B3AE1BFD2846A6ED8237F2BDDB29",
        "Title": "SkyMobile SRM",
        "AppCategoryID": {
          "__deferred": {
            "uri": ")/AppCategoryID"
          }
        },
        "AppCategoryIDId": 2,
        "AppDescription": "",
        "AppIcon": " ",
        "AppPDFurl": "",
        "AppVideourl": null,
        "Id": 1,
        "ContentType": "Item",
        "Modified": "\/Date(1403657407000)\/",
        "Created": "\/Date(1403657407000)\/",
        "CreatedBy": {
          "__deferred": {
            "uri": ")/CreatedBy"
          }
        },
        "CreatedById": 60,
        "ModifiedBy": {
          "__deferred": {
            "uri": ")/ModifiedBy"
          }
        },
        "ModifiedById": 60,
        "Owshiddenversion": 1,
        "Version": "1.0",
        "Attachments": {
          "__deferred": {
            "uri": ")/Attachments"
          }
        },
        "Path": "/ils"
      }
    ]
  }
}

注意：我有两个单独的URL用于分类，另一个用于文档。 文档josn响应包含 AppCategoryIDId ，它是类别主键。

0 个答案:

没有答案
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