/// <summary>
/// Subscribes an action to be executed for every action posted to the channel. Action should be thread safe.
/// Action may be invoked on multiple threads.
/// </summary>
/// <param name="subscriber"></param>
/// <param name="subscriptions"></param>
/// <returns></returns>
private IDisposable SubscribeOnProducerThreads(Action <T> subscriber, ISubscriptionRegistry subscriptions)
{
_subscribers += subscriber;
var unsubscriber = new Unsubscriber <T>(subscriber, this, subscriptions);
subscriptions.RegisterSubscription(unsubscriber);
return(unsubscriber);
}
public ISubscriptionTag Build(ISubscriptionRegistry registry)
{
var serializerFactory = new AmqpSerializerFactory(this.Serializers);
var amqpMessageBuilder = new AmqpMessageBuilder(serializerFactory, propertyBuilder, router);
var subscriptionTags =
this.subscriptions
.Select(createSubsriptionTag => createSubsriptionTag(this.ConnectionFactory, amqpMessageBuilder, registry))
.ToList();
return(new CompositeSubscriptionTag(Guid.NewGuid().ToString(), subscriptionTags));
}
private IDisposable Subscribe(Action action, ISubscriptionRegistry subscriptionRegistery)
{
Monitor.Enter(syncRoot);
try
{
this.Add(action);
}
finally
{
Monitor.Exit(syncRoot);
}
var subscriptionDisposable = new EventSubscriptionDisposable(action, this, subscriptionRegistery);
subscriptionRegistery.RegisterSubscription(subscriptionDisposable);
return(subscriptionDisposable);
}
public Unsubscriber(Action <T> receiver, Channel <T> channel, ISubscriptionRegistry subscriptions)
{
_receiver = receiver;
_channel = channel;
_subscriptions = subscriptions;
}
public EventSubscriptionDisposable(Action action, AsyncEvent asyncEvent, ISubscriptionRegistry subscriptionRegistry)
{
this.action = action;
this.asyncEvent = asyncEvent;
this.subscriptionRegistry = subscriptionRegistry;
}
