using System;

using Microsoft.Practices.Unity;

using System.Collections.Generic;

​

public class Program

{

 public static void Main()

 {

  IUnityContainer container = new UnityContainer();

  container.RegisterType<IDataFetcher, FileFetcher>("file");

  container.RegisterType<IDataFetcher, DBFetcher>("db");

  container.RegisterType<IDataFetcher, MachineFetcher>("machine");

​

  IRuntimeData rtData = new RuntimeData();

  rtData.connectionString = "Persist Security Info=False;Integrated Security=true;Initial Catalog=Northwind;server=(local)";

  rtData.filePath = @"C:\foo.txt";

  rtData.machineName = "jlvaqueroMachine";

​

  container.RegisterInstance<IRuntimeData>(rtData);

​

  Analyzer myAnalyzer = container.Resolve<Analyzer>();

  myAnalyzer.PerformAnalysis();

 }

}

​

class Analyzer

{

 private List<IDataFetcher> _fetcherList;

​

 public Analyzer(IDataFetcher[] fetcherList)

 {

  _fetcherList = new List<IDataFetcher>(fetcherList);

 }

​

 public void PerformAnalysis()

 {

  foreach (IDataFetcher dtFetcher in _fetcherList)

  {

   Console.WriteLine(dtFetcher.getData());

  }

 }

}

​

public interface IRuntimeData

{

 string filePath { get; set; }

 string connectionString { get; set; }

 string machineName { get; set; }

}

​

class RuntimeData : IRuntimeData

{

 public string filePath { get; set; }

 public string connectionString { get; set; }

 public string machineName { get; set; }

}

​

interface IDataFetcher

{

 object getData();

}

​

class FileFetcher : IDataFetcher

{

 private string _filePath;

 public FileFetcher(IRuntimeData userInputData)

 {

  _filePath = userInputData.filePath;

 }

​

 public object getData()

 {

  return "Hello from FileFetcher. File path is " + _filePath;

 }

}

​

class DBFetcher : IDataFetcher

{

 private string _connStr;

 public DBFetcher(IRuntimeData userInputData)

 {

  _connStr = userInputData.connectionString;

 }

​

 public object getData()

 {

  return "Hello from DBFetcher. Connection string is " + _connStr;

 }

}

​

class MachineFetcher : IDataFetcher

{

 private string _machineName;

 public MachineFetcher(IRuntimeData userInputData)

 {

  _machineName = userInputData.machineName;

 }

​

 public object getData()

 {

  return "Hello from MachineFetcher. Machine name is " + _machineName;

 }

}