view Agendas/trunk/src/Agendas.Domain/EventoAgendadoState.cs @ 104:c5034884c7d7

refactor para que los estados sean singletons
author jorge.rowies
date Sun, 05 Jun 2011 13:22:36 -0300
parents 23325dddddcc
children 53bcd338542b
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line source

using AltNetHispano.Agendas.Domain.Exceptions;

namespace AltNetHispano.Agendas.Domain
{
  public class EventoAgendadoState : EventoState
  {
    private EventoAgendadoState()
    {
    }

    private static readonly EventoState _instance = new EventoAgendadoState();
    public static EventoState GetInstance()
    {
      return _instance;
    }

    private const string Descripcion = "Agendado";

    public override void Promover(Evento evento, Accion accion)
    {
      switch (accion)
      {
        case Accion.Confirmar:
          evento.SetEstado(EventoConfirmadoState.GetInstance());
          evento.AddTrack(new Track(evento, Accion.Confirmar));
          break;
        default:
          throw new AccionNoSoportadaException(this.GetType(), accion);
      }
    }

    public override string GetDescripcion()
    {
      return Descripcion;
    }
  }
}