protected RabbitQueue(
IConnection connection,
string name,
IDictionary <string, object> additionalArguments,
int retriesCount,
TimeSpan retryInitialTimeout,
ITypedQueue <ExceptionDescription> errorsQueue,
ExceptionHandlerBase <RabbitMessageDescription> exceptionHandler,
ILogger logger)
: base(retriesCount, retryInitialTimeout, errorsQueue, exceptionHandler, logger)
{
if (string.IsNullOrWhiteSpace(name))
{
throw new ArgumentNullException(nameof(name));
}
_name = name;
_connection = connection;
_queue = _connection.CreateModel();
try
{
_queue.QueueDeclare(queue: name, durable: true, exclusive: false, autoDelete: false, arguments: additionalArguments);
_queue.BasicQos(prefetchSize: 0, prefetchCount: 1, global: false);
}
catch (Exception)
{
_queue.Dispose();
throw;
}
}
public QueuesFactoryForTests(
IExceptionHandlersFactory <RabbitMessageDescription> exceptionHandlersFactory,
ILoggerFactory loggerFactory,
IOptions <TypedRabbitQueuesFactoryOptions> options,
IConnection connection,
ITypedQueue <ErrorInformation> errorsQueue)
: base(exceptionHandlersFactory, loggerFactory, options)
{
_connection = connection;
_errorsQueue = errorsQueue;
}
private async Task EstablishConnection(CancellationToken stoppingToken)
{
while (Queue == null && stoppingToken.IsCancellationRequested == false)
{
try
{
Queue = await QueuesFactory.Create <TMessage>(Options.QueueCreationOptions)
.SubscribeAsync(MessageHandler, StoppingCts.Token);
}
catch (Exception e)
{
Logger.LogError(e, "Error has been occurred during establishing connection to queue");
await Task.Delay(Options.ConnectionAttemptTimeout, stoppingToken);
}
}
}
public static TypedRabbitQueue <TMessage> Create <TMessage>(
IConnection connection,
string name,
IDictionary <string, object> additionalArguments,
int retriesCount,
TimeSpan retryInitialTimeout,
ITypedQueue <ExceptionDescription> errorsQueue,
ExceptionHandlerBase <RabbitMessageDescription> exceptionHandler,
ILogger <TypedRabbitQueue <TMessage> > logger)
{
try
{
return(new TypedRabbitQueue <TMessage>(connection, name, additionalArguments, retriesCount, retryInitialTimeout, errorsQueue, exceptionHandler, logger));
}
catch (Exception)
{
connection?.Dispose();
errorsQueue?.Dispose();
throw;
}
}
