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 DebugLoggerC GetInstance()
{
if (instance == null)
{
lock (mutex) {
if (instance == null)
{
instance = new DebugLoggerC();
}
}
}
return(instance);
}