private SnsTopicByName EnsureTopicExists(RegionEndpoint region, IMessageSerialisationRegister serialisationRegister, SqsReadConfiguration queueConfig)
{
var snsclient = _awsClientFactory.GetAwsClientFactory().GetSnsClient(region);
var eventTopic = _topicCache.TryGetFromCache(region.SystemName, queueConfig.PublishEndpoint);
if (eventTopic != null)
return eventTopic;
eventTopic = new SnsTopicByName(queueConfig.PublishEndpoint, snsclient, serialisationRegister);
_topicCache.AddToCache(region.SystemName, queueConfig.PublishEndpoint, eventTopic);
if (!eventTopic.Exists())
{
eventTopic.Create();
}
return eventTopic;
}
private void EnsureQueueIsSubscribedToTopic(RegionEndpoint region, SnsTopicByName eventTopic, SqsQueueByName queue)
{
var sqsclient = _awsClientFactory.GetAwsClientFactory().GetSqsClient(region);
eventTopic.Subscribe(sqsclient, queue);
}