/// <summary>
/// Method that will be used by NServiceBus to process a message.
/// The real work is implemented in the Handle(T message) abstract method.
/// </summary>
/// <param name="message"></param>
/// <param name="context"></param>
/// <returns></returns>
public async Task Handle(T message, IMessageHandlerContext context)
{
try
{
// Create the unit of work list of messages.
MessagesToPublish.Create();
// business work to implement.
await Handle(message);
// Publish events.
foreach (Object _event in MessagesToPublish.Events)
{
try
{
await context.Publish(_event);
}
catch (System.Exception ex)
{
Logger.Technical.From(typeof(HandleMessageBase <T>)).Exception(ex).Log();
}
}
// Send commands.
foreach (Object command in MessagesToPublish.Commands)
{
try
{
await context.Send(command);
}
catch (System.Exception ex)
{
Logger.Technical.From(typeof(HandleMessageBase <T>)).Exception(ex).Log();
}
}
}
catch (System.Exception ex)
{
Logger.Technical.From(typeof(HandleMessageBase <T>)).Exception(ex).Log();
}
finally
{
// Clear messages to avoid any sending of undesirable messages by
// another message received on the bus.
MessagesToPublish.Clear();
}
}
public MessagesScope(IContainerResolve container, ILogger logger, string iocResolveName)
{
Logger = logger;
// Create the unit of work list of messages.
MessagesToPublish.Create();
// Search for the instance used to send commands and publish events on start of the
// scope. So if we have a resolving issue, we know it immediately (and not after the work is done.
if (!container.TryResolve <IEndpointConfiguration>(iocResolveName, out var endpointConfig))
{
logger.Technical().From <MessagesScope>().Warning($"Unable to resolve the IEndpointConfiguration with the name '{iocResolveName}'").Log();
return;
}
if (null == endpointConfig.Instance)
{
logger.Technical().From <MessagesScope>().Warning($"Instance is null for the IEndpointConfiguration with the name '{iocResolveName}'").Log();
return;
}
_instance = endpointConfig.Instance;
}
public void Complete()
{
if (null == _instance)
{
Logger.Technical().From <MessagesScope>().Warning($"Unable to send any events or commands to the IEndpointConfiguration with the name.").Log();
return;
}
// Publish events.
foreach (Object _event in MessagesToPublish.Events)
{
try
{
Logger.Technical().From <MessagesScope>().System($"Publish event: {_event.GetType().FullName}.").Log();
_instance.Publish(_event).Wait();
}
catch (Exception ex)
{
Logger.Technical().From <MessagesScope>().Exception(ex).Log();
}
}
// Send commands.
foreach (Object command in MessagesToPublish.Commands)
{
try
{
Logger.Technical().From <MessagesScope>().System($"Send command: {command.GetType().FullName}.").Log();
_instance.Send(command).Wait();
}
catch (Exception ex)
{
Logger.Technical().From <MessagesScope>().Exception(ex).Log();
}
}
MessagesToPublish.Clear();
}
public MessageScope(ILogger <MessageScope> logger, IMessageSession messageSession, MessagesToPublish messages)
{
_logger = logger;
_messageSession = messageSession;
_messages = messages;
}
