Pipes and Filters concurrent Design Pattern using the Concurrency and Coordination Runtime

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace WorkCardDemo
{
    public abstract class WorkCardSwipeMessageBase
    {
        public string Name { get; private set; }

        protected WorkCardSwipeMessageBase(string name)
        {
            Name  = name;
        }

        public override string ToString()
        {
            return String.Format("Message : Worker Name = {0}", Name);
        }
    }

    public class CorrectPinMessage : WorkCardSwipeMessageBase
    {
        public CorrectPinMessage(string name)
            : base(name)
        {
        }

        public override string ToString()
        {
            return String.Format("PIN Success {0}", base.ToString());
        }
    }

    public class WrongPinMessage : WorkCardSwipeMessageBase
    {
        public string _door { get; private set; }

        public WrongPinMessage(string name,string door)
            : base(name)
        {
            _door = door;
        }

        public override string ToString()
        {
            return String.Format("PIN Failure {0} @ {1}",  base.ToString(), _door);
        }
    }

}