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Mediator.cs
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Mediator.cs
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using System;
namespace Mediator
{
// MEDIATOR
public interface IMediator
{
void sendMessage(string message, Printer part);
}
public class PrinterMediator: IMediator
{
public PrinterSwitcher switcher { get; set; }
public PrinterPrinthead printhead { get; set; }
public PrinterPaintExtractor extractor { get; set; }
public void sendMessage(string message, Printer part)
{
if (switcher == part)
{
printhead.Notify(message);
}
else if (printhead == part)
{
extractor.Notify(message);
}
else if (extractor == part)
{
switcher.Notify(message);
}
}
}
public abstract class Printer
{
private IMediator mediator;
public Printer(IMediator mediator)
{
this.mediator = mediator;
}
public void SendMessage(string message)
{
mediator.sendMessage(message, this);
}
public abstract void Notify(string message);
}
public class PrinterSwitcher: Printer
{
public PrinterSwitcher(IMediator mediator) : base(mediator) { }
public override void Notify(string message)
{
Console.WriteLine($"Switcher: {message}");
}
}
public class PrinterPrinthead : Printer
{
public PrinterPrinthead(IMediator mediator) : base(mediator) { }
public override void Notify(string message)
{
Console.WriteLine($"Printhead: {message}");
}
}
public class PrinterPaintExtractor : Printer
{
public PrinterPaintExtractor(IMediator mediator) : base(mediator) { }
public override void Notify(string message)
{
Console.WriteLine($"PaintExtractor: {message}");
}
}
}