seanlilmateus · November 8, 2012 14:22 · Nov 8, 2012
diff --git a/gistfile1.rb b/gistfile1.rb
@@ -0,0 +1,38 @@
+class AppDelegate
+  def application(application, didFinishLaunchingWithOptions:launchOptions)
+     @window = UIWindow.alloc.initWithFrame(UIScreen.mainScreen.bounds).tap do |win|
+        win.rootViewController = AsyncController.alloc.init
+        win.makeKeyAndVisible
+     end
+     true
+  end
+end
+
+class AsyncController < UIViewController
+   def thread1
+     10.times { |i| NSLog("\t Thread1: %@", i) }
+   end
+
+   def thread2
+     20.times { |i| NSLog("\t\t  Thread2: %@", i) }
+   end
+
+   def thread3
+     30.times { |i| NSLog("\t\t\t   Thread3: %@", i) }
+   end
+
+   def viewDidLoad
+      self.view.backgroundColor = UIColor.whiteColor
+      @queue = NSOperationQueue.new
+      @queue.maxConcurrentOperationCount = 3 
+      @queue.name = "threads operation"
+
+      operation1 = NSInvocationOperation.alloc.initWithTarget(self, selector: :thread1, object:nil)
+      operation2 = NSInvocationOperation.alloc.initWithTarget(self, selector: :thread2, object:nil)
+      operation3 = NSInvocationOperation.alloc.initWithTarget(self, selector: :thread3, object:nil)
+
+      @queue.addOperation(operation1)
+      @queue.addOperation(operation2)
+      @queue.addOperation(operation3)
+   end
+end