Simple Core Data stack

CoreDataManager.swift

import CoreData

class CoreDataManager {
  
  var context:NSManagedObjectContext
  var psc:NSPersistentStoreCoordinator
  var model:NSManagedObjectModel
  var store:NSPersistentStore?
  
  init() {
    
    /* Managed object model */
    let modelURL = NSBundle.mainBundle().URLForResource("XYZ", withExtension:"momd")
    model = NSManagedObjectModel(contentsOfURL: modelURL)
    
    /* Persistent store coordinator */
    psc = NSPersistentStoreCoordinator(managedObjectModel: model)
    
    /* Managed object context */
    context = NSManagedObjectContext()
    context.persistentStoreCoordinator = psc
    
    /* Persistent store URL */
    let fileManager = NSFileManager.defaultManager()
    let urls = fileManager.URLsForDirectory(.DocumentDirectory, inDomains: .UserDomainMask) as Array<NSURL>
    let storeURL = urls[0].URLByAppendingPathComponent("XYZ.sqlite")
    
    /* Persistent store */
    let options = [NSMigratePersistentStoresAutomaticallyOption: true]
    var error: NSError? = nil
    
    store = psc.addPersistentStoreWithType(NSSQLiteStoreType, configuration: nil, URL: storeURL, options: options, error:&error)
    
    if store == nil {
      println("Error adding persistent store: \(error), \(error!.userInfo)")
      abort()
    }
    
  }
  
  func saveContext() {
    
    var error: NSError? = nil
    if context.hasChanges && !context.save(&error) {
      println("Could not save: \(error), \(error?.userInfo)")
    }

  }
  
}