/// <summary>
/// Creates an event consumer that begins consuming events from the specified URI.
/// Events are delivered to the event handler. The disposable object that is
/// returned is used to define the lifetime associated with the subscription.
/// </summary>
/// <param name="uri">The URI.</param>
/// <param name="eventHandler">The event handler.</param>
/// <returns></returns>
public IDisposable Subscribe(Uri uri, EventHandler <UpdateEventArgs> eventHandler)
{
var pathParts = uri.Segments;
var exchangePath = pathParts[1].TrimEnd('/');
var routingKey = pathParts[2];
// find the exchange path binding
ExchangePathBinding exchangePathBinding;
if (!_exchangePathBindingTable.TryGetValue(exchangePath, out exchangePathBinding))
{
exchangePathBinding = new ExchangePathBinding();
exchangePathBinding.Connection = _connectionFactory.CreateConnection();
exchangePathBinding.Channel = exchangePathBinding.Connection.CreateModel();
_exchangePathBindingTable[exchangePath] = exchangePathBinding;
}
// find a queue for this routingKey
RouteBinding routeBinding;
if (!exchangePathBinding.RoutingKeyTable.TryGetValue(routingKey, out routeBinding))
{
routeBinding = new RouteBinding();
routeBinding.Queue = exchangePathBinding.Channel.QueueDeclare();
routeBinding.Consumer = new EventingBasicConsumer();
routeBinding.Consumer.Received += routeBinding.HandleEvent;
exchangePathBinding.RoutingKeyTable[routingKey] = routeBinding;
exchangePathBinding.Channel.QueueBind(routeBinding.Queue, exchangePath, routingKey);
exchangePathBinding.Channel.BasicConsume(routeBinding.Queue, true, routeBinding.Consumer);
}
routeBinding.Events += eventHandler;
return(new TrackedDisposable(
() => routeBinding.Events -= eventHandler));
}
/// <summary>
/// Creates an event consumer that begins consuming events from the specified URI.
/// Events are delivered to the event handler. The disposable object that is
/// returned is used to define the lifetime associated with the subscription.
/// </summary>
/// <param name="uri">The URI.</param>
/// <param name="eventHandler">The event handler.</param>
/// <returns></returns>
public IDisposable Subscribe(Uri uri, EventHandler<UpdateEventArgs> eventHandler)
{
var pathParts = uri.Segments;
var exchangePath = pathParts[1].TrimEnd('/');
var routingKey = pathParts[2];
// find the exchange path binding
ExchangePathBinding exchangePathBinding;
if (!_exchangePathBindingTable.TryGetValue(exchangePath, out exchangePathBinding))
{
exchangePathBinding = new ExchangePathBinding();
exchangePathBinding.Connection = _connectionFactory.CreateConnection();
exchangePathBinding.Channel = exchangePathBinding.Connection.CreateModel();
_exchangePathBindingTable[exchangePath] = exchangePathBinding;
}
// find a queue for this routingKey
RouteBinding routeBinding;
if (!exchangePathBinding.RoutingKeyTable.TryGetValue(routingKey, out routeBinding))
{
routeBinding = new RouteBinding();
routeBinding.Queue = exchangePathBinding.Channel.QueueDeclare();
routeBinding.Consumer = new EventingBasicConsumer();
routeBinding.Consumer.Received += routeBinding.HandleEvent;
exchangePathBinding.RoutingKeyTable[routingKey] = routeBinding;
exchangePathBinding.Channel.QueueBind(routeBinding.Queue, exchangePath, routingKey);
exchangePathBinding.Channel.BasicConsume(routeBinding.Queue, true, routeBinding.Consumer);
}
routeBinding.Events += eventHandler;
return new TrackedDisposable(
() => routeBinding.Events -= eventHandler);
}
