private void EnsureTopicExists(string topicName)
{
if (_topicExistanceChecked)
{
return;
}
using (var scope = CustomTransactionScope.GetTransactionSuppressedScope())
{
_syncService.Execute("WindowsServiceBus_" + topicName, () =>
{
var namespaceManager = GetNamespaceManager();
if (!namespaceManager.TopicExists(topicName))
{
_logger.Debug("Attempting to create topic {0}...".Args(topicName));
var topicDescription = new TopicDescription(topicName);
namespaceManager.CreateTopic(topicDescription);
_logger.Debug("Topic {0} created.".Args(topicName));
}
_topicExistanceChecked = true;
});
scope.Complete();
}
}
public void PublishExternalMessage <T>(T message) where T : class
{
var brokeredMessage = new BrokeredMessage(message)
{
ContentType = message.GetType().AssemblyQualifiedName
};
using (var scope = CustomTransactionScope.GetTransactionSuppressedScope())
{
TopicClient.Send(brokeredMessage);
scope.Complete();
}
}
private string EnsureSubscriptionExists(string topicName, Type subscriberType)
{
string subscriptionName = subscriberType.Name;
var key = topicName + subscriptionName;
if (_subscriptionsWithCheckedExistance.Contains(key))
{
return(subscriptionName);
}
using (var scope = CustomTransactionScope.GetTransactionSuppressedScope())
{
_syncService.Execute("WindowsServiceBus_" + subscriptionName, () =>
{
var types = subscriberType
.GetInterfaces()
.Where(i => i.IsGenericType && i.GetGenericTypeDefinition() == typeof(IConsumes <>))
.SelectMany(i => i.GetGenericArguments())
.OrderBy(x => x.FullName)
.ToList();
var namespaceManager = GetNamespaceManager();
if (!namespaceManager.SubscriptionExists(topicName, subscriptionName))
{
_logger.Debug("Attempting to create subscription for {0} in topic {1}...".Args(subscriptionName, topicName));
var subscriptionDescription = new SubscriptionDescription(topicName, subscriptionName);
namespaceManager.CreateSubscription(subscriptionDescription);
_logger.Debug("Subscription for {0} in topic {1} created.".Args(subscriptionName, topicName));
}
UpsertSubscriptionRules(topicName, subscriptionName, types);
_subscriptionsWithCheckedExistance.Add(key);
});
scope.Complete();
}
return(subscriptionName);
}
public void PublishMessage <T>(T message) where T : class, IMessage
{
EnsureTopicExists(TopicName);
EnsureTopicClientExists(TopicName);
var json = JsonConvert.SerializeObject(message);
var brokeredMessage = new BrokeredMessage(json)
{
ContentType = "application/json",
Label = message.GetType().FullName
};
brokeredMessage.Properties[PropertyForTypeName] = message.GetType().Name;
brokeredMessage.Properties[PropertyForTypeFullName] = message.GetType().FullName;
using (var scope = CustomTransactionScope.GetTransactionSuppressedScope())
{
_topicClient.Send(brokeredMessage);
scope.Complete();
}
}
private void EnsureTopicExists(string topicName)
{
if (_topicExistanceChecked)
{
return;
}
using (var scope = CustomTransactionScope.GetTransactionSuppressedScope())
{
var namespaceManager = GetNamespaceManager();
if (!namespaceManager.TopicExists(topicName))
{
_logger.Debug("Fake Ugs Service Bus: Attempting to create topic {0}".Args(topicName));
var topicDescription = new TopicDescription(topicName);
namespaceManager.CreateTopic(topicDescription);
_logger.Debug("Fake Ugs Service Bus: Topic {0} created".Args(topicName));
}
_topicExistanceChecked = true;
scope.Complete();
}
}