public void Subscribe <TMessage>(RabbitConnectionSettings settings, bool isDurable,
Func <TMessage, Task> handler, IMessageDeserializer <TMessage> deserializer)
{
var subscriptionSettings = new RabbitMqSubscriptionSettings
{
ConnectionString = settings.ConnectionString,
QueueName =
$"{settings.ExchangeName}.{PlatformServices.Default.Application.ApplicationName}.{settings.RoutingKey ?? "all"}",
ExchangeName = settings.ExchangeName,
RoutingKey = settings.RoutingKey,
IsDurable = isDurable,
};
var rabbitMqSubscriber = new RabbitMqSubscriber <TMessage>(subscriptionSettings,
new DefaultErrorHandlingStrategy(_logger, subscriptionSettings))
.SetMessageDeserializer(deserializer)
.Subscribe(handler)
.SetLogger(_logger);
if (!_subscribers.TryAdd(subscriptionSettings.QueueName, rabbitMqSubscriber))
{
throw new InvalidOperationException(
$"A subscriber for queue {subscriptionSettings.QueueName} was already initialized");
}
rabbitMqSubscriber.Start();
}
public RabbitMqPublisher <TMessage> GetProducer <TMessage>(RabbitConnectionSettings settings,
bool isDurable, IRabbitMqSerializer <TMessage> serializer)
{
var subscriptionSettings = new RabbitMqSubscriptionSettings
{
ConnectionString = settings.ConnectionString,
ExchangeName = settings.ExchangeName,
IsDurable = isDurable,
};
return((RabbitMqPublisher <TMessage>)_producers.GetOrAdd(subscriptionSettings, CreateProducer).Value);
Lazy <IStopable> CreateProducer(RabbitMqSubscriptionSettings s)
{
// Lazy ensures RabbitMqPublisher will be created and started only once
// https://andrewlock.net/making-getoradd-on-concurrentdictionary-thread-safe-using-lazy/
return(new Lazy <IStopable>(() => new RabbitMqPublisher <TMessage>(s)
.DisableInMemoryQueuePersistence()
.SetSerializer(serializer)
.SetPublishStrategy(new TopicPublishStrategy())
.SetLogger(_logger)
.PublishSynchronously()
.Start()));
}
}
static void Main(string[] args)
{
var settings = new RabbitConnectionSettings
{
HostName = "localhost",
UserName = "******",
Password = "******",
Port = 5672,
VirtualHost = "/"
};
var client = new SimpleRabbitClient(settings, new JsonByteArraySerializer());
}
