Swift 2.0转换问题NSFetchedResultsController didChangeObject

Question

在Swift 2.0中转换后我无法解决问题：

  

“Objective-C方法   '控制器：didChangeObject：atIndexPath：forChangeType：newIndexPath：'   方法提供   '控制器（：didChangeObject：atIndexPath：forChangeType：newIndexPath :)'   与可选的需求方法冲突   '控制器（：didChangeObject：atIndexPath：forChangeType：newIndexPath :)'   在协议'NSFetchedResultsControllerDelegate'“

请帮帮我。 并感谢提前

func controllerWillChangeContent(controller: NSFetchedResultsController) {
    tableView.beginUpdates()
}

func controller(controller: NSFetchedResultsController, didChangeObject anObject: NSManagedObject, atIndexPath indexPath: NSIndexPath?, forChangeType type: NSFetchedResultsChangeType, newIndexPath: NSIndexPath?) {

    // the issue is here

    switch type {

    case NSFetchedResultsChangeType.Insert:
        if let newIndex = newIndexPath {
            tableView.insertRowsAtIndexPaths([newIndex], withRowAnimation: UITableViewRowAnimation.Automatic)
        }

    case NSFetchedResultsChangeType.Delete:
        if let index = indexPath {
            tableView.deleteRowsAtIndexPaths([index], withRowAnimation: UITableViewRowAnimation.Automatic)
        }
    }
}

func controllerDidChangeContent(controller: NSFetchedResultsController) {
    tableView.endUpdates()
}

Answer 1

更改 public bool Delete<E>(E entity) where E : class { DataContext.Entry(entity).State = System.Data.EntityState.Deleted; DataContext.SaveChanges() } 的来电didChangeObject anObject: NSManagedObject。新方法如下所示：

didChangeObject anObject: AnyObject

NSFetchedResultsController delegate methods