static void Main(string[] args) { try { //{//单线程情况下 // for (int i = 0; i < 10; i++) // { // Singleton singleton = Singleton.CreateInstance(); // Console.WriteLine(singleton.GetResult()); // } //} //{//多线程情况下 // List<Task> tasks = new List<Task>(); // TaskFactory taskFactory = new TaskFactory(); // for (int i = 0; i < 10; i++) // { // tasks.Add(taskFactory.StartNew(() => // { // Singleton singleton = Singleton.CreateInstance(); // Console.WriteLine(singleton.GetResult()); // })); // } // Task.WaitAll(tasks.ToArray()); //} //{//多线程情况下(静态构造函数) // List<Task> tasks = new List<Task>(); // TaskFactory taskFactory = new TaskFactory(); // for (int i = 0; i < 10; i++) // { // tasks.Add(taskFactory.StartNew(() => // { // SingletonSecond singleton = SingletonSecond.CreateInstance(); // Console.WriteLine(singleton.GetResult()); // })); // } // Task.WaitAll(tasks.ToArray()); //} {//多线程情况下(静态对象) List <Task> tasks = new List <Task>(); TaskFactory taskFactory = new TaskFactory(); for (int i = 0; i < 10; i++) { tasks.Add(taskFactory.StartNew(() => { SingletonThird singleton = SingletonThird.CreateInstance(); Console.WriteLine(singleton.GetResult()); })); } Task.WaitAll(tasks.ToArray()); } } catch (Exception ex) { Console.WriteLine("" + ex.Message); } Console.ReadKey(); }
static void Main(string[] args) { try { { //for (int i = 0; i < 5; i++) //{ // Singleton singleton = Singleton.CreateInstance(); // singleton.WriteText(); //} } { //TaskFactory taskFactory = new TaskFactory(); //for (int i = 0; i < 5; i++) //{ // taskFactory.StartNew(() => // { // Singleton singleton = Singleton.CreateInstance(); // singleton.WriteText(); // }); //} } { //for (int i = 0; i < 5; i++) //{ // SingletonSecond singleton = SingletonSecond.CreateInstance(); // singleton.WriteText(); //} TaskFactory taskFactory = new TaskFactory(); for (int i = 0; i < 5; i++) { taskFactory.StartNew(() => { SingletonThird singleton = SingletonThird.CreateInstance(); singleton.WriteText(); }); } } } catch (Exception ex) { Console.WriteLine(ex.Message); } Console.Read(); }
static void Main(string[] args) { try { List <IAsyncResult> resultList = new List <IAsyncResult>(); for (int i = 0; i < 10; i++) { resultList.Add(new Action(() => { Singleton singleton = Singleton.CreateInstance(); singleton.Show(); }).BeginInvoke(null, null));//会启动一个异步多线程调用 } while (resultList.Count(r => !r.IsCompleted) > 0) { Thread.Sleep(10); } for (int i = 0; i < 10; i++) { resultList.Add(new Action(() => { //SingletonSecond singleton = SingletonSecond.CreateInstance(); SingletonThird singleton = SingletonThird.CreateInstance(); singleton.Show(); }).BeginInvoke(null, null));//会启动一个异步多线程调用 } } catch (Exception ex) { Console.WriteLine(ex.Message); } Console.Read(); }
/// <summary> /// 静态字段在程序进程只有一个 /// </summary> //public static Singleton singleton = new Singleton(); static void Main(string[] args) { try { SingletonSecond second = SingletonSecond.CreateInstance(); SingletonThird third = SingletonThird.CreateInstance(); //Singleton singleton = new Singleton(); //对象的重用 TaskFactory taskFactory = new TaskFactory(); List <Task> taskList = new List <Task>(); //for (int i = 0; i < 50000; i++) //{ // taskList.Add(taskFactory.StartNew(() => // { // Singleton singleton = Singleton.CreateInstance();// new Singleton(); // singleton.Show();//多线程去运行同一个实例的同一个方法 // })); //} for (int i = 0; i < 50000; i++) { taskList.Add(taskFactory.StartNew(() => { SingletonSecond singleton = SingletonSecond.CreateInstancePrototype();// new Singleton(); singleton.Show(); })); } Task.WaitAll(taskList.ToArray()); Console.WriteLine("第一轮全部完成"); //for (int i = 0; i < 5; i++) //{ // taskList.Add(taskFactory.StartNew(() => // { // Singleton singleton = Singleton.CreateInstance();// new Singleton(); // //singleton.Show(); // })); //} //0 1 50000 还是接近50000 Console.WriteLine(SingletonSecond.CreateInstancePrototype().iTotal); //for (int i = 0; i < 5; i++) //{ // taskFactory.StartNew(() => // { // Singleton singleton = Singleton.CreateInstance();// new Singleton(); // singleton.Show(); // }); //} //OtherClass.Show(); //OtherClass.Show(); //OtherClass.Show(); } catch (Exception ex) { Console.WriteLine(ex.Message); } Console.Read(); }