NSPersistentStoreCoordinator CreateCoordinator()
{
NSUrl url = StoreURL;
if (url == null)
{
return(null);
}
var psc = new NSPersistentStoreCoordinator(ManagedObjectModel);
var keys = new object[] { NSPersistentStoreCoordinator.MigratePersistentStoresAutomaticallyOption,
NSPersistentStoreCoordinator.InferMappingModelAutomaticallyOption };
var values = new object[] { true, true };
NSDictionary options = NSDictionary.FromObjectsAndKeys(values, keys);
NSError error;
NSPersistentStore store = psc.AddPersistentStoreWithType(NSPersistentStoreCoordinator.SQLiteStoreType, null, url, options, out error);
if (store == null)
{
Console.WriteLine(error.Description);
return(null);
}
return(psc);
}
/// The managed object context for the view controller (which is bound to the persistent store coordinator for the application).
NSManagedObjectContext CreatePrivateQueueContext(out NSError error)
{
// It uses the same store and model, but a new persistent store coordinator and context.
var localCoordinator = new NSPersistentStoreCoordinator(CoreDataStackManager.SharedManager.ManagedObjectModel);
NSPersistentStore store = localCoordinator.AddPersistentStoreWithType(NSPersistentStoreCoordinator.SQLiteStoreType, null, CoreDataStackManager.SharedManager.StoreURL, null, out error);
if (store == null)
{
return(null);
}
var context = new NSManagedObjectContext(NSManagedObjectContextConcurrencyType.PrivateQueue);
context.PersistentStoreCoordinator = localCoordinator;
context.UndoManager = null;
return(context);
}
