/// <summary>
/// Write an event asynchronously.
/// </summary>
/// <param name="eventInstance">Event Instance</param>
/// <returns></returns>
public async Task WriteEventAsync(IEvent eventInstance)
{
// No event, no send.
if (eventInstance == null)
return;
var message = new EventBusMessage(eventInstance);
await Bus.Advanced.PublishAsync(Exchange, String.Empty, false, false, new Message<EventBusMessage>(message));
}
/// <summary>
/// Create the transport item wrapper for this instance of an event
/// </summary>
/// <param name="eventInstance">Event Instance</param>
/// <returns>Transport item</returns>
protected BrokeredMessage CreateTransportItem(IEvent eventInstance)
{
var item = new EventBusMessage(eventInstance);
var message = new BrokeredMessage(item);
message.Properties.Add(AzureFrameworkConstants.ContextMessageProperty, Context.ContextName);
message.Properties.Add(AzureFrameworkConstants.EventTypeMessageProperty, item.EventType);
return message;
}
/// <summary>
/// Write an event to the RabbitMQ instance.
/// </summary>
/// <param name="eventInstance">Event instance</param>
public void WriteEvent(IEvent eventInstance)
{
// No event, no send.
if (eventInstance == null)
return;
var message = new EventBusMessage(eventInstance);
Bus.Advanced.Publish(Exchange, String.Empty, false, false, new Message<EventBusMessage>(message));
}
/// <summary>
/// Process the recieved messsage
/// </summary>
/// <param name="message">Message from the subscription</param>
protected void HandleEventBusMessage(EventBusMessage message)
{
if (message == null)
return;
// Find the type - If not part of our bounded context, ignore.
var targetType =
BoundedContext.EventTypes.Where(x => string.Equals(x.Name, message.EventType)).FirstOrDefault();
if (targetType == null)
return;
// Unpack JSON into event data
var eventInstance = targetType.UnpackJsonEvent(message.EventJson, TypeResolver);
// Execute event handlers
Dispatcher.Dispatch(eventInstance);
}
