Discussion on: Using the Strategy Pattern (Examples in C#)

[Rafal Pienkowski]

Very nice post with a descriptive example of usage. Real life examples always are adding additional value to an example. I'm a big fan of design patterns too so I enjoyed this post.

Personally I'd change inheritance to composition for ShouldDelete method, but once again great article.

[Bruno]

Could you make an example?

[Rafal Pienkowski]

Sure.

Instead of inheriting from a base class and method overriding like here:

public class MyClass:BaseClass
{
    public override void Foo()
    {
       base.Foo();
    }
}

You add the class variable of a given class and calls it's method if needed.

public class MyClass
{
    private BaseClass _baseClass = new BaseClass();

    public void Foo()
    {
       _baseClass.Foo();
    }
}

More about the comparison between Inheritance and Composition you can find here. Take a closer look at the table at the end of article.