public void Publish(TransportMessage message, PublishOptions publishOptions)
{
if (SubscriptionStorage == null)
{
throw new InvalidOperationException("Cannot publish on this endpoint - no subscription storage has been configured.");
}
var eventTypesToPublish = MessageMetadataRegistry.GetMessageMetadata(publishOptions.EventType.FullName)
.MessageHierarchy
.Distinct()
.ToList();
var subscribers = SubscriptionStorage.GetSubscriberAddressesForMessage(eventTypesToPublish.Select(t => new MessageType(t))).ToList();
if (!subscribers.Any())
{
PipelineExecutor.CurrentContext.Set("NoSubscribersFoundForMessage", true);
return;
}
PipelineExecutor.CurrentContext.Set("SubscribersForEvent", subscribers);
foreach (var subscriber in subscribers)
{
//this is unicast so we give the message a unique ID
message.ChangeMessageId(CombGuid.Generate().ToString());
MessageSender.Send(message, new SendOptions(subscriber)
{
ReplyToAddress = publishOptions.ReplyToAddress,
EnforceMessagingBestPractices = publishOptions.EnforceMessagingBestPractices,
EnlistInReceiveTransaction = publishOptions.EnlistInReceiveTransaction,
});
}
}
/// <summary>
/// Publishes the given message to all subscribers
/// </summary>
/// <param name="message"></param>
/// <param name="eventTypes"></param>
/// <returns></returns>
public bool Publish(TransportMessage message, IEnumerable <Type> eventTypes)
{
if (SubscriptionStorage == null)
{
throw new InvalidOperationException("Cannot publish on this endpoint - no subscription storage has been configured. Add either 'MsmqSubscriptionStorage()' or 'DbSubscriptionStorage()' after 'NServiceBus.Configure.With()'.");
}
var subscribers = Enumerable.ToList <Address>(SubscriptionStorage.GetSubscriberAddressesForMessage(eventTypes.Select(t => new MessageType(t))));
if (!subscribers.Any())
{
return(false);
}
foreach (var subscriber in subscribers)
{
//this is unicast so we give the message a unique ID
message.ChangeMessageId(CombGuid.Generate().ToString());
MessageSender.Send(message, subscriber);
}
return(true);
}
public void Handle(ListSubscribers message)
{
Context.SubscribersOfTheEvent = SubscriptionStorage
.GetSubscriberAddressesForMessage(new[] { new MessageType(typeof(MyEvent)) }).Select(a => a.ToString()).ToList();
Context.Done = true;
}