

using System;
using System.Collections.Generic;

namespace Diametric.Service
{
	/// 
	/// An implementation of IServiceProvider that uses a dictionary
	/// 
	public class DictionaryServiceProvider:IServiceProvider
	{
		private Dictionary services = new Dictionary();

		public DictionaryServiceProvider()
		{
		}

		#region IServiceProvider Members

		/// 
		/// Returns the specified service or null if the service doesn't exist.
		/// 
		/// 
		/// 
		public object GetService(Type serviceType)
		{
			object service = null;
			services.TryGetValue( serviceType, out service );
			return service;
		}

		#endregion

		#region Public API

		/// 
		/// Adds a service to the service provider's list of services using the object's type as the key.
		/// 
		/// 
		public void AddService(object service)
		{
			services.Add( service.GetType(), service );
		}

		/// 
		/// Adds a service to the service provider's list of services using the provided Type as the key.
		/// 
		/// 
		public void AddService(object service, Type key)
		{
			services.Add( key, service );
		}

		#endregion
	}
}