s-6_2_2.cs

public class MyServiceSample : IMyServiceSample
{         
  private readonly IMyRequestResponseFactory _factory;

  public MyServiceSample(IMyRequestResponseFactory factory) //dependency injection via constructor
  {
    _factory = factory;
  }

  public MyServiceSample() // WCF poziva default konstruktor, i koristimo default implementaciju
    : this(new MyRequestResponseFactory())
  {           
  }

  public DoSomeWorkResponse DoSomeWork(SomeWorkRequest request)
  {
      return _factory.ProcessRequest(request, () =>
      {
        // pozivanje usluga slojeva ispod - bussiness logic layer
        // konstruiranje povratne poruke 
        var msg = new DoSomeWorkResponse();
        
        // i popunjavanje odgovarajućim podacima (mapiranje)
        
        return msg;
      });
  }

  public DoSomeOtherWorkResponse DoSomeOtherWork(SomeOtherWorkRequest request)
  {
    return _factory.ProcessRequest(request, () =>
    { 
        // pozivanje usluga slojeva ispod - bussiness logic layer
        // konstruiranje povratne poruke 
        var msg = new DoSomeOtherWorkResponse();
        
        // i popunjavanje odgovarajućim podacima (mapiranje)
        
        return msg;
    });
  }
}