using System;

​

// -----------------------

// modele

public class Model

{

}

​

public class RaciModel : Model

{

}

​

public class ComponentModel : Model

{

    public Model Data {get; set;}

}

​

public class ComplexProcessModel : Model

{

    public ComponentModel ComponentModel {get; set;}

}

​

// --------

// product model -> ModelCreator

public class ProductModel

{

    public virtual TModel CreateObjectModel<TModel>()

        where TModel : Model, new()

    {

        return new TModel();

    }

    public virtual Model SetModel(Model model /* argumentu zrodlowe*/ )

    {

        return model;

    }

}

​

// ------

// dekoratory

public abstract class ProductDecorator : ProductModel

{

    protected ProductModel Product { get; set; }

​

    public ProductDecorator(ProductModel product)

    {

        Product = product;

    }

}

​

public class ComplexProcessProductDecorator  : ProductDecorator

{

    public ComplexProcessProductDecorator(ProductModel product) : base(product)

    {

    }

​

    public override Model SetModel(Model model /* argumentu zrodlowe*/ )

    {

        var newModel = Product.SetModel(model);

        if (newModel is ComplexProcessModel)

        {

            var complexProcessModel = newModel as ComplexProcessModel;

            var componentModel = new ComponentModel();

            componentModel.Data = new RaciModel();

            complexProcessModel.ComponentModel = componentModel;

            return complexProcessModel;

        }

        return model;

    }

}

​

// -----

// business helper

public class BaseBussinesHelper<TModel>

    where TModel : Model, new()

{

    public ProductModel GetProductModel()

    {

        return new ProductModel();

    }

}

​

public class ComplexProcessBusinessHelper : BaseBussinesHelper<ComplexProcessModel>

{

    public Model InitItem()

    {

        var product = GetProductModel();

        var complexProcessProductDecorator = new ComplexProcessProductDecorator(product);

        var complexProcessModel = product.CreateObjectModel<ComplexProcessModel>();

        product.SetModel(complexProcessModel);

        return complexProcessModel;

    }

}

​

​

public class Program

{

    public static void Main()

    {

        var complexProcessBusinessHelper = new ComplexProcessBusinessHelper();

        var complexProcessModel = complexProcessBusinessHelper.InitItem();

    }

}