static void Main(string[] args)
{
LoggerHandlerBase fatalHandler1 = new FatalHandler();
LoggerHandlerBase errorHandler1 = new ErrorHandler();
LoggerHandlerBase infoHandler1 = new InfoHandler();
LoggerHandlerBase debugHandler1 = new DebugHandler();
LoggerHandlerBase logRoot1 = fatalHandler1;
fatalHandler1.SetNext(errorHandler1);
errorHandler1.SetNext(infoHandler1);
infoHandler1.SetNext(debugHandler1);
LoggerHandlerBase fatalHandler2 = new FatalHandler();
LoggerHandlerBase errorHandler2 = new ErrorHandler();
LoggerHandlerBase infoHandler2 = new InfoHandler();
LoggerHandlerBase debugHandler2 = new DebugHandler();
LoggerHandlerBase logRoot2 = debugHandler2;
debugHandler2.SetNext(infoHandler2);
infoHandler2.SetNext(errorHandler2);
errorHandler2.SetNext(fatalHandler2);
Console.WriteLine("*** Logger Handler ***\n");
Console.WriteLine("First concatination : fatal -> error -> info -> debug");
Console.WriteLine("======================================================");
logRoot1.Handle(1, "System is going down!");
logRoot1.Handle(2, "Error 400");
logRoot1.Handle(3, "Alarm, don't have enough memory");
logRoot1.Handle(4, "Debug info");
Console.WriteLine("\n------------------------------------------------------\n");
Console.WriteLine("Second concatination : debug -> info -> error -> fatal");
Console.WriteLine("======================================================");
logRoot2.Handle(1, "System is going down!");
logRoot2.Handle(2, "Error 400");
logRoot2.Handle(3, "Alarm, don't have enough memory");
logRoot2.Handle(4, "Debug info");
}
public void SetNext(LoggerHandlerBase next)
{
this.next = next;
}
