public virtual IEnumerable <Type> CreateTopicsForPublisher(Type messageType, IMessageNameFormatter formatter)
{
NamespaceManager nm = _address.NamespaceManager;
foreach (Type type in messageType.GetMessageTypes())
{
string topic = formatter.GetMessageName(type).ToString();
/*
* Type here is both the actual message type and its
* interfaces. In RMQ we could bind the interface type
* exchanges to the message type exchange, but because this
* is azure service bus, we only have plain topics.
*
* This means that for a given subscribed message, we have to
* subscribe also to all of its interfaces and their corresponding
* topics. In this method, it means that we'll just create
* ALL of the types' corresponding topics and publish to ALL of them.
*
* On the receiving side we'll have to de-duplicate
* the received messages, potentially (unless we're subscribing only
* to one of the interfaces that itself doesn't implement any interfaces).
*/
nm.CreateAsync(new TopicDescriptionImpl(topic)).Wait();
yield return(type);
}
}
public Task CreateQueue()
{
if (QueueDescription == null)
{
throw new InvalidOperationException("Cannot create queue is the endpoint address is not for a queue (but for a topic)");
}
return(_nm.CreateAsync(QueueDescription));
}
