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public abstract class LogAdaptee

{

    public abstract void WriteLog();

}  

public class DatabaseLog:LogAdaptee

{

    public override void WriteLog()

    {

        Console.WriteLine("Called WriteLog Method");

    }

}

public class FileLog:LogAdaptee

{

    public override void WriteLog()

    {

        Console.WriteLine("Called WriteLog Method");

    }

}

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public interface ILogTarget

{

    void Write();

}

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public class DatabaseLogAdapter:DatabaseLog,ILogTarget

{

    public void Write()

    {

        WriteLog();

    }

}

 

public class FileLogAdapter:FileLog,ILogTarget

{

    public void Write()

    {

        this.WriteLog();

    }

}

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public class App

{

    public static void Main()

    {

        ILogTarget dbLog = new DatabaseLogAdapter();

        dbLog.Write("Logging Database...");

 

        ILogTarget fileLog = new FileLogAdapter();

        fileLog.Write("Logging File...");

    }

}

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public class LogAdapter:ILogTarget

{

    private LogAdaptee _adaptee;

 

    public LogAdapter(LogAdaptee adaptee)

    {

        this._adaptee = adaptee;   

    }

    public void Write()

    {

        _adaptee.WriteLog();

    }

}

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public class App

{

    public static void Main()

    {

       

        ILogTarget dbLog = new LogAdapter(new DatabaseLog());

        dbLog.Write("Logging Database...");

 

        ILogTarget fileLog = new LogAdapter(new FileLog());

        fileLog.Write("Logging Database...");

    }

}

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public class LogAdapter:ILogTarget

{

    private LogAdaptee _adaptee1;

    private LogAdaptee _adaptee2;

 

    public LogAdapter(LogAdaptee adaptee1,LogAdaptee adaptee2)

    {

        this._adaptee1 = adaptee1;

        this._adaptee2 = adaptee2;

    }

    public void Write()

    {

        _adaptee1.WriteLog();

        _adaptee2.WriteLog();

    }

}

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public class DatabaseLogAdapter:DatabaseLog,FileLog,ILogTarget

{

    public void Write()

    {

        //WriteLog();

    }

}

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