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More improvements to the managed object store and seeding API's

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This commit is contained in:
Blake Watters
2011-03-05 17:05:31 -05:00
parent e07d87939f
commit 3cf66e5385
7 changed files with 43 additions and 12 deletions
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3
Code/CoreData/RKManagedObjectSeeder.h
View File

@@ -8,6 +8,9 @@
#import "../ObjectMapping/ObjectMapping.h"
// The default seed database filename. Used when the object store has not been initialized
extern NSString* const RKDefaultSeedDatabaseFileName;
@protocol RKManagedObjectSeederDelegate
@required

9
Code/CoreData/RKManagedObjectSeeder.m
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@@ -14,6 +14,8 @@
- (void)seedObjectsFromFileNames:(NSArray*)fileNames;
@end
NSString* const RKDefaultSeedDatabaseFileName = @"RKSeedDatabase.sqlite";
@implementation RKManagedObjectSeeder
@synthesize delegate = _delegate;
@@ -46,6 +48,11 @@
if (self) {
_manager = [manager retain];
// If the user hasn't configured an object store, set one up for them
if (nil == _manager.objectStore) {
_manager.objectStore = [RKManagedObjectStore objectStoreWithStoreFilename:RKDefaultSeedDatabaseFileName];
}
// Delete any existing persistent store
[_manager.objectStore deletePersistantStore];
}
@@ -123,7 +130,7 @@
NSString* storeFileName = [[_manager objectStore] storeFilename];
NSString* destinationPath = [basePath stringByAppendingPathComponent:storeFileName];
NSLog(@"[RestKit] RKManagedObjectSeeder: A seeded database has been generated at '%@'. "
@"Please execute `open %@` in your Terminal and copy %@ to your app. Be sure to add the seed database to your \"Copy Resources\" build phase.",
@"Please execute `open \"%@\"` in your Terminal and copy %@ to your app. Be sure to add the seed database to your \"Copy Resources\" build phase.",
destinationPath, basePath, storeFileName);
exit(1);

11
Code/CoreData/RKManagedObjectStore.h
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@@ -50,14 +50,20 @@ extern NSString* const RKManagedObjectStoreDidFailSaveNotification;
/**
* Initialize a new managed object store with a SQLite database with the filename specified
*/
- (id)initWithStoreFilename:(NSString*)storeFilename;
+ (RKManagedObjectStore*)objectStoreWithStoreFilename:(NSString*)storeFilename;
/**
* Initialize a new managed object store backed by a SQLite database with the specified filename. If a seed database name is provided
* and no existing database is found, initialize the store by copying the seed database from the main bundle. If the managed object model
* provided is nil, all models will be merged from the main bundle for you.
*/
- (id)initWithStoreFilename:(NSString *)storeFilename usingSeedDatabaseName:(NSString *)nilOrNameOfSeedDatabaseInMainBundle managedObjectModel:(NSManagedObjectModel*)nilOrManagedObjectModel;
+ (RKManagedObjectStore*)objectStoreWithStoreFilename:(NSString *)storeFilename usingSeedDatabaseName:(NSString *)nilOrNameOfSeedDatabaseInMainBundle managedObjectModel:(NSManagedObjectModel*)nilOrManagedObjectModel;
/**
* Initialize a new managed object store with a SQLite database with the filename specified
* @deprecated
*/
- (id)initWithStoreFilename:(NSString*)storeFilename DEPRECATED_ATTRIBUTE;
/**
* Save the current contents of the managed object store
@@ -89,5 +95,4 @@ extern NSString* const RKManagedObjectStoreDidFailSaveNotification;
*/
- (RKManagedObject*)findOrCreateInstanceOfManagedObject:(Class)class withPrimaryKeyValue:(id)primaryKeyValue;
@end

18
Code/CoreData/RKManagedObjectStore.m
View File

@@ -13,6 +13,7 @@ NSString* const RKManagedObjectStoreDidFailSaveNotification = @"RKManagedObjectS
static NSString* const kRKManagedObjectContextKey = @"RKManagedObjectContext";
@interface RKManagedObjectStore (Private)
- (id)initWithStoreFilename:(NSString *)storeFilename usingSeedDatabaseName:(NSString *)nilOrNameOfSeedDatabaseInMainBundle managedObjectModel:(NSManagedObjectModel*)nilOrManagedObjectModel;
- (void)createPersistentStoreCoordinator;
- (void)createStoreIfNecessaryUsingSeedDatabase:(NSString*)seedDatabase;
- (NSString *)applicationDocumentsDirectory;
@@ -26,15 +27,26 @@ static NSString* const kRKManagedObjectContextKey = @"RKManagedObjectContext";
@synthesize persistentStoreCoordinator = _persistentStoreCoordinator;
@synthesize managedObjectCache = _managedObjectCache;
+ (RKManagedObjectStore*)objectStoreWithStoreFilename:(NSString*)storeFilename {
return [self objectStoreWithStoreFilename:storeFilename usingSeedDatabaseName:nil managedObjectModel:nil];
}
+ (RKManagedObjectStore*)objectStoreWithStoreFilename:(NSString *)storeFilename usingSeedDatabaseName:(NSString *)nilOrNameOfSeedDatabaseInMainBundle managedObjectModel:(NSManagedObjectModel*)nilOrManagedObjectModel {
return [[[self alloc] initWithStoreFilename:storeFilename usingSeedDatabaseName:nilOrNameOfSeedDatabaseInMainBundle managedObjectModel:nilOrManagedObjectModel] autorelease];
}
- (id)initWithStoreFilename:(NSString*)storeFilename {
return self = [self initWithStoreFilename:storeFilename usingSeedDatabaseName:nil managedObjectModel:[NSManagedObjectModel mergedModelFromBundles:nil]];
return self = [self initWithStoreFilename:storeFilename usingSeedDatabaseName:nil managedObjectModel:nil];
}
- (id)initWithStoreFilename:(NSString *)storeFilename usingSeedDatabaseName:(NSString *)nilOrNameOfSeedDatabaseInMainBundle managedObjectModel:(NSManagedObjectModel*)nilOrManagedObjectModel {
self = [self init];
if (self) {
_storeFilename = [storeFilename retain];
_managedObjectModel = [nilOrManagedObjectModel retain];
if (nilOrManagedObjectModel == nil) {
nilOrManagedObjectModel = [NSManagedObjectModel mergedModelFromBundles:nil];
}
_managedObjectModel = [nilOrManagedObjectModel retain];
if (nilOrNameOfSeedDatabaseInMainBundle) {
[self createStoreIfNecessaryUsingSeedDatabase:nilOrNameOfSeedDatabaseInMainBundle];
}
@@ -109,7 +121,7 @@ static NSString* const kRKManagedObjectContextKey = @"RKManagedObjectContext";
NSError* error = nil;
if (NO == [[NSFileManager defaultManager] fileExistsAtPath:self.pathToStoreFile]) {
NSString* seedDatabasePath = [[NSBundle mainBundle] pathForResource:seedDatabase ofType:nil];
NSAssert1(seedDatabasePath, @"Unable to find seed database file '%@' in the Main Bundle, aborting...", seedDatabasePath);
NSAssert1(seedDatabasePath, @"Unable to find seed database file '%@' in the Main Bundle, aborting...", seedDatabase);
NSLog(@"No existing database found, copying from seed path '%@'", seedDatabasePath);
[[NSFileManager defaultManager] copyItemAtPath:seedDatabasePath toPath:self.pathToStoreFile error:&error];
if (error) {

10
Examples/RKTwitterCoreData/Classes/RKTwitterAppDelegate.m
View File

@@ -28,9 +28,6 @@
NSMutableArray* dateFormats = [[[mapper dateFormats] mutableCopy] autorelease];
[dateFormats addObject:@"E MMM d HH:mm:ss Z y"];
[mapper setDateFormats:dateFormats];
// Initialize object store
objectManager.objectStore = [[[RKManagedObjectStore alloc] initWithStoreFilename:@"RKTwitterData.sqlite"] autorelease];
// Add our element to object mappings
[mapper registerClass:[RKTUser class] forElementNamed:@"user"];
@@ -42,7 +39,7 @@
// This is what triggers the conditional compilation to cause the seed database to be built
// 2) Source JSON files are added to the 'Generate Seed Database' target to be copied into the bundle. This is required
// so that the object seeder can find the files when run in the simulator.
#ifdef RESTKIT_GENERATE_SEED_DB
#ifdef RESTKIT_GENERATE_SEED_DB
RKManagedObjectSeeder* seeder = [RKManagedObjectSeeder objectSeederWithObjectManager:objectManager];
// Seed the database with instances of RKTStatus from a snapshot of the RestKit Twitter timeline
@@ -57,7 +54,10 @@
// NOTE: If all of your mapped objects use element -> class registration, you can perform seeding in one line of code:
// [RKManagedObjectSeeder generateSeedDatabaseWithObjectManager:objectManager fromFiles:@"users.json", nil];
#endif
// Initialize object store
objectManager.objectStore = [RKManagedObjectStore objectStoreWithStoreFilename:@"RKTwitterData.sqlite" usingSeedDatabaseName:RKDefaultSeedDatabaseFileName managedObjectModel:nil];
// Create Window and View Controllers
RKTwitterViewController* viewController = [[[RKTwitterViewController alloc] initWithNibName:nil bundle:nil] autorelease];
UINavigationController* controller = [[UINavigationController alloc] initWithRootViewController:viewController];

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Examples/RKTwitterCoreData/RKSeedDatabase.sqlite Normal file
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4
Examples/RKTwitterCoreData/RKTwitterCoreData.xcodeproj/project.pbxproj
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@@ -41,6 +41,7 @@
25F2A1921322D59400A33DE4 /* MobileCoreServices.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 8452D3FC128244E60069F4A9 /* MobileCoreServices.framework */; };
25F2A1991322D93500A33DE4 /* restkit.json in Resources */ = {isa = PBXBuildFile; fileRef = 25F2A1981322D93500A33DE4 /* restkit.json */; };
25F2A19C1322DD1800A33DE4 /* users.json in Resources */ = {isa = PBXBuildFile; fileRef = 25F2A19A1322DCDC00A33DE4 /* users.json */; };
25F2A24B1322EADE00A33DE4 /* RKSeedDatabase.sqlite in Resources */ = {isa = PBXBuildFile; fileRef = 25F2A24A1322EADE00A33DE4 /* RKSeedDatabase.sqlite */; };
288765A50DF7441C002DB57D /* CoreGraphics.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 288765A40DF7441C002DB57D /* CoreGraphics.framework */; };
28D7ACF80DDB3853001CB0EB /* RKTwitterViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 28D7ACF70DDB3853001CB0EB /* RKTwitterViewController.m */; };
3F3CE34C125B95F60083FDCB /* libRestKitCoreData.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 3F3CE2CF125B93780083FDCB /* libRestKitCoreData.a */; };
@@ -148,6 +149,7 @@
25F2A1961322D59400A33DE4 /* Generate Seed Database.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = "Generate Seed Database.app"; sourceTree = BUILT_PRODUCTS_DIR; };
25F2A1981322D93500A33DE4 /* restkit.json */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = restkit.json; sourceTree = SOURCE_ROOT; };
25F2A19A1322DCDC00A33DE4 /* users.json */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; name = users.json; path = ../users.json; sourceTree = "<group>"; };
25F2A24A1322EADE00A33DE4 /* RKSeedDatabase.sqlite */ = {isa = PBXFileReference; lastKnownFileType = file; path = RKSeedDatabase.sqlite; sourceTree = SOURCE_ROOT; };
288765A40DF7441C002DB57D /* CoreGraphics.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = CoreGraphics.framework; path = System/Library/Frameworks/CoreGraphics.framework; sourceTree = SDKROOT; };
28D7ACF60DDB3853001CB0EB /* RKTwitterViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = RKTwitterViewController.h; sourceTree = "<group>"; };
28D7ACF70DDB3853001CB0EB /* RKTwitterViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = RKTwitterViewController.m; sourceTree = "<group>"; };
@@ -271,6 +273,7 @@
29B97317FDCFA39411CA2CEA /* Resources */ = {
isa = PBXGroup;
children = (
25F2A24A1322EADE00A33DE4 /* RKSeedDatabase.sqlite */,
25F2A19A1322DCDC00A33DE4 /* users.json */,
25F2A1981322D93500A33DE4 /* restkit.json */,
3F3CE40A125B9B450083FDCB /* BG.png */,
@@ -439,6 +442,7 @@
3F3CE40F125B9B450083FDCB /* BG@2x.png in Resources */,
3F3CE410125B9B450083FDCB /* Default.png in Resources */,
3F3CE411125B9B450083FDCB /* Default@2x.png in Resources */,
25F2A24B1322EADE00A33DE4 /* RKSeedDatabase.sqlite in Resources */,
);
runOnlyForDeploymentPostprocessing = 0;
};