// DataManager.h
#import <Foundation/Foundation.h>
#import <CoreData/CoreData.h>

extern NSString * const DataManagerDidSaveNotification;
extern NSString * const DataManagerDidSaveFailedNotification;

@interface DataManager : NSObject {
}

@property (nonatomic, readonly, retain) NSManagedObjectModel *objectModel;
@property (nonatomic, readonly, retain) NSManagedObjectContext *mainObjectContext;
@property (nonatomic, readonly, retain) NSPersistentStoreCoordinator *persistentStoreCoordinator;

+ (DataManager*)sharedInstance;
- (BOOL)save;
- (NSManagedObjectContext*)managedObjectContext;

@end