public void Start()
{
var settings =
RabbitMqSubscriptionSettings.CreateForPublisher(_settings.ConnectionString,
_settings.ExchangeName);
settings.MakeDurable();
if (_logFactory == null)
{
_publisher = new RabbitMqPublisher <INotificationMessage>(settings)
.SetConsole(new LogToConsole())
.SetLogger(_log);
}
else
{
_publisher = new RabbitMqPublisher <INotificationMessage>(_logFactory, settings);
}
_publisher.DisableInMemoryQueuePersistence()
.PublishSynchronously()
.SetSerializer(new JsonMessageSerializer <INotificationMessage>())
.SetPublishStrategy(new DefaultFanoutPublishStrategy(settings))
.Start();
}
public IMessageProducer <TMessage> GetProducer <TMessage>(IReloadingManager <RabbitConnectionSettings> settings,
bool isDurable, IRabbitMqSerializer <TMessage> serializer)
{
// on-the fly connection strings switch is not supported currently for rabbitMq
var currSettings = settings.CurrentValue;
var subscriptionSettings = new RabbitMqSubscriptionSettings
{
ConnectionString = currSettings.ConnectionString,
ExchangeName = currSettings.ExchangeName,
IsDurable = isDurable,
};
return((IMessageProducer <TMessage>)_producers.GetOrAdd(subscriptionSettings, CreateProducer));
IStopable CreateProducer(RabbitMqSubscriptionSettings s)
{
var publisher = new RabbitMqPublisher <TMessage>(s);
if (isDurable && _queueRepository.Value != null)
{
publisher.SetQueueRepository(_queueRepository.Value);
}
else
{
publisher.DisableInMemoryQueuePersistence();
}
return(publisher
.SetSerializer(serializer)
.SetLogger(_logger)
.Start());
}
}
public void QueuePersistenceCanBeDisabled()
{
_publisher.DisableInMemoryQueuePersistence();
Assert.DoesNotThrow(() => _publisher.Start());
_publisher.Stop();
}
public IMessageProducer <TMessage> GetProducer <TMessage>(IReloadingManager <RabbitConnectionSettings> settings, bool isDurable, bool useMessagePack)
{
// on-the fly connection strings switch is not supported currently for rabbitMq
var currSettings = settings.CurrentValue;
var subscriptionSettings = new RabbitMqSubscriptionSettings
{
ConnectionString = currSettings.ConnectionString,
ExchangeName = currSettings.ExchangeName,
IsDurable = isDurable,
};
return((IMessageProducer <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>(() =>
{
var publisher = new RabbitMqPublisher <TMessage>(s);
if (isDurable && _queueRepository.Value != null)
{
publisher.SetQueueRepository(_queueRepository.Value);
}
else
{
publisher.DisableInMemoryQueuePersistence();
}
var serializer =
useMessagePack
? (IRabbitMqSerializer <TMessage>) new MessagePackMessageSerializer <TMessage>(MsgPackCompatModeResolver.Instance)
: new JsonMessageSerializer <TMessage>(Encoding.UTF8, JsonSerializerSettings);
return publisher
.SetSerializer(serializer)
.SetLogger(_logger)
.Start();
}));
}
}
public IMessageProducer <TMessage> GetProducer <TMessage>(RabbitMqSettings settings,
bool isDurable, IRabbitMqSerializer <TMessage> serializer)
{
// on-the fly connection strings switch is not supported currently for rabbitMq
var subscriptionSettings = new RabbitMqSubscriptionSettings
{
ConnectionString = settings.ConnectionString,
ExchangeName = settings.ExchangeName,
IsDurable = isDurable,
};
return((IMessageProducer <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>(() =>
{
var publisher = new RabbitMqPublisher <TMessage>(s);
if (isDurable && _queueRepository.Value != null)
{
publisher.SetQueueRepository(_queueRepository.Value);
}
else
{
publisher.DisableInMemoryQueuePersistence();
}
return publisher
.SetSerializer(serializer)
.SetLogger(_logger)
.SetConsole(_consoleWriter)
.Start();
}));
}
}