Generic EventMessage

EventMessage.cs

    /// <summary>
    ///   Wraps an <see cref = "IEvent">event</see>
    ///   to be transportable by NServiceBus.
    /// </summary>
    [Serializable]
    [DataContract(Namespace = MessageNamespace)]
    public class EventMessage<TEvent> : EventMessage, IEventMessage<TEvent> where TEvent : class 
    {
        public EventMessage(IPublishedEvent<TEvent> @event) : base(@event)
        {
            Contract.Requires<ArgumentNullException>(@event != null, "event");
            Contract.Requires<ArgumentException>(@event.Payload != null);
        }

        #region Implementation of IEventMessage

        /// <summary>
        ///   Gets or sets transported event.
        /// </summary>
        new public IPublishedEvent<TEvent> Payload
        {
            get { return (IPublishedEvent<TEvent>) base.Payload; }
        }

        #endregion
    }

    [Serializable]
    [DataContract(Namespace = MessageNamespace)]
    public class EventMessage : MessageBase, IEventMessage
    {
        public EventMessage(IPublishableEvent @event)
        {
            Payload = @event;
        }

        [DataMember(Order = 1)]
        public IPublishableEvent Payload { get; private set; }
    }