public MessageHandlerDescriptor(IMessageHandlerAsync <T> handler, Type type)
{
_handle = p =>
Task.Run(async() => await handler.HandleAsync(p).ConfigureAwait(false))
.Wait(TimeSpan.FromSeconds(30));
ParameterType = type;
}
/// <summary>
/// Initializes a new instance of the <see cref="QueueCreationDecorator" /> class.
/// </summary>
/// <param name="metrics">The metrics factory.</param>
/// <param name="handler">The handler.</param>
/// <param name="connectionInformation">The connection information.</param>
public MessageHandlerAsyncDecorator(IMetrics metrics,
IMessageHandlerAsync handler,
IConnectionInformation connectionInformation)
{
var name = handler.GetType().Name;
_runCodeTimer = metrics.Timer($"{connectionInformation.QueueName}.{name}.HandleTimer", Units.Calls);
_handler = handler;
}
/// <summary>
/// Initializes a new instance of the <see cref="HandleMessage" /> class.
/// </summary>
/// <param name="messageHandler">The message handler.</param>
/// <param name="messageHandlerAsync">The message handler asynchronous.</param>
public HandleMessage(IMessageHandler messageHandler,
IMessageHandlerAsync messageHandlerAsync)
{
Guard.NotNull(() => messageHandler, messageHandler);
Guard.NotNull(() => messageHandlerAsync, messageHandlerAsync);
_messageHandler = messageHandler;
_messageHandlerAsync = messageHandlerAsync;
}
/// <summary>
/// Initializes a new instance of the <see cref="QueueCreationDecorator" /> class.
/// </summary>
/// <param name="metrics">The metrics factory.</param>
/// <param name="handler">The handler.</param>
/// <param name="connectionInformation">The connection information.</param>
public MessageHandlerAsyncDecorator(IMetrics metrics,
IMessageHandlerAsync handler,
IConnectionInformation connectionInformation)
{
var name = "MessageHandlerAsync";
_runCodeTimer = metrics.Timer($"{connectionInformation.QueueName}.{name}.HandleTimer", Units.Calls);
_handler = handler;
}
private IMessageHandlerAsync <T> Decorate <T>(IMessageHandlerAsync <T> messageHandler) where T : IMessage
{
#if DEBUG
return(new SuppressAsyncExceptionDecorator <T>(
new DebugShowErrorMessageDecorator <T>(
new DebugShowDurationMessageDecorator <T>(new PerLoggerMessageDecorator <T>(messageHandler),
_sessionManager), _sessionManager),
_logger));
#else
return(new SuppressAsyncExceptionDecorator <T>(new PerLoggerMessageDecorator <T>(messageHandler), _logger));
#endif
}
public RabbitMQListenerServiceAsync(
IHostApplicationLifetime appLifetime,
ILogger <RabbitMQListenerServiceAsync <T> > logger,
IMessageHandlerAsync <T> messageHandler,
IOptionsMonitor <RabbitMQOptions> options)
{
_appLifetime = appLifetime;
_logger = logger;
_messageHandler = messageHandler;
_options = options.CurrentValue;
if (string.IsNullOrWhiteSpace(_options.ConnectionString))
{
_logger.LogError("RabbitMQ connection string is missing.");
throw new Exception("Missing connection string.");
}
}
public DebugShowErrorMessageDecorator(IMessageHandlerAsync <T> decorated,
ISessionManager sessionManager)
{
_decorated = decorated;
_debugMessageManager = new DebugMessageManager(sessionManager);
}
/// <summary>
/// Initializes a new instance of the <see cref="MessageHandlerAsyncDecorator"/> class.
/// </summary>
/// <param name="handler">The handler.</param>
/// <param name="tracer">The tracer.</param>
/// <param name="headers">The headers.</param>
public MessageHandlerAsyncDecorator(IMessageHandlerAsync handler, ITracer tracer, IHeaders headers)
{
_handler = handler;
_tracer = tracer;
_headers = headers;
}
public SuppressAsyncExceptionDecorator(IMessageHandlerAsync <T> decorated, ILogger logger)
{
_decorated = decorated;
_logger = logger;
}
public PerLoggerMessageDecorator(IMessageHandlerAsync <T> decorated)
{
_decorated = decorated;
}
public void Subscribe <T>(IMessageHandlerAsync <T> handler) where T : IMessage
{
_handlers.Add(new MessageHandlerDescriptor <T>(handler, typeof(T)));
}
/// <summary>
/// Initializes a new instance of the <see cref="MessageHandlerAsyncDecorator"/> class.
/// </summary>
/// <param name="handler">The handler.</param>
/// <param name="tracer">The tracer.</param>
/// <param name="headers">The headers.</param>
public MessageHandlerAsyncDecorator(IMessageHandlerAsync handler, ActivitySource tracer, IHeaders headers)
{
_handler = handler;
_tracer = tracer;
_headers = headers;
}
public static IMediator SubscribeAsync <TMessage>(this IMediator mediator, IMessageHandlerAsync <TMessage> handler) => mediator.SubscribeAsync <TMessage>(message => handler.Handle(message));