static void Main(string[] args) { var logger1a = DebugLoggerA.GetInstance(); var logger1b = DebugLoggerA.GetInstance(); var logger1c = DebugLoggerA.GetInstance(); logger1a.Log("Bart"); logger1b.Log("Liza"); logger1c.Log("Homer"); Console.WriteLine("Output from logger A:"); logger1a.WriteMessages(Console.Out); var logger2a = DebugLoggerB.GetInstance(); var logger2b = DebugLoggerB.GetInstance(); var logger2c = DebugLoggerB.GetInstance(); logger2a.Log("Fred"); logger2b.Log("Wilma"); logger2c.Log("Barney"); Console.WriteLine("Output from logger B:"); logger2a.WriteMessages(Console.Out); var logger3a = DebugLoggerC.GetInstance(); var logger3b = DebugLoggerC.GetInstance(); var logger3c = DebugLoggerC.GetInstance(); logger3a.Log("Peter"); logger3b.Log("Lois"); logger3c.Log("Stewie"); Console.WriteLine("Output from logger C:"); logger3a.WriteMessages(Console.Out); var logger4a = DebugLoggerD.GetInstance(); var logger4b = DebugLoggerD.GetInstance(); var logger4c = DebugLoggerD.GetInstance(); logger4a.Log("Stan"); logger4b.Log("Francene"); logger4c.Log("Klaus"); Console.WriteLine("Output from logger D:"); logger4a.WriteMessages(Console.Out); var logger5a = DebugLoggerE.GetInstance(); var logger5b = DebugLoggerE.GetInstance(); var logger5c = DebugLoggerE.GetInstance(); logger5a.Log("Stan"); logger5b.Log("Kyle"); logger5c.Log("Eric"); Console.WriteLine("Output from logger E:"); logger5a.WriteMessages(Console.Out); }
public static DebugLoggerB GetInstance() { lock (mutex) { if (instance == null) { instance = new DebugLoggerB(); } return(instance); } }