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Service Provider

/ Published in: C#
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  1. using System;
  2. using System.Collections.Generic;
  3. using System.Linq;
  4. using System.Text;
  5.  
  6. namespace Services
  7. {
  8.     public interface IService
  9.     {
  10.  
  11.     }
  12.  
  13.     public interface IServiceProvider<T>
  14.     {
  15.         T GetService<T>();
  16.         object GetService(Type serviceType);
  17.     }
  18.  
  19.     public sealed class ServiceProvider : IServiceProvider<IService>
  20.     {
  21.         private Dictionary<Type, object> _services;
  22.  
  23.         private ServiceProvider()
  24.         {
  25.             _services = new Dictionary<Type, object>();
  26.         }
  27.  
  28.         public void RegisterService(Type type, object service)
  29.         {
  30.             if (!_services.ContainsKey(type))
  31.             {
  32.                 _services.Add(type, service);
  33.             }
  34.         }
  35.  
  36.         public T GetService<T>() where T : IService
  37.         {
  38.             return (T)_services[typeof(T)];
  39.         }
  40.  
  41.         public object GetService(Type serviceType)
  42.         {
  43.             return (_services.ContainsKey(serviceType)) ? _services[serviceType] : null;
  44.         }
  45.     }
  46. }
  47. }

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